Revert "s3: vfs: add user_vfs_evg to connection_struct"
[samba.git] / source3 / include / vfs.h
index 0e5b0748678d97dbf12e8c7a98f76ce37353b9d9..6516869b24e2d598db1848d192989e1c3ad040b6 100644 (file)
 /* Leave at 31 - not yet released. add SMB_VFS_COPY_CHUNK() */
 /* Leave at 31 - not yet released. Remove the unused
                fsp->pending_break_messages array */
-
-#define SMB_VFS_INTERFACE_VERSION 31
+/* Leave at 31 - not yet released. add SMB_VFS_[GET/SET]_COMPRESSION() */
+
+/* Bump to version 32 - Samba 4.2 will ship with that. */
+/* Version 32 - Add "lease" to CREATE_FILE operation */
+/* Version 32 - Add "lease" to struct files_struct */
+/* Version 32 - Add SMB_VFS_READDIR_ATTR() */
+/* Version 32 - Add in and out create context blobs to create_file */
+/* Version 32 - Remove unnecessary SMB_VFS_DISK_FREE() small_query parameter */
+/* Bump to version 33 - Samba 4.3 will ship with that. */
+/* Version 33 - change fallocate mode flags param from enum->uint32_t */
+/* Version 33 - Add snapshot create/delete calls */
+/* Version 33 - Add OS X SMB2 AAPL copyfile extension flag to fsp */
+/* Version 33 - Remove notify_watch_fn */
+/* Bump to version 34 - Samba 4.4 will ship with that */
+/* Version 34 - Remove bool posix_open, add uint64_t posix_flags */
+/* Version 34 - Added bool posix_pathnames to struct smb_request */
+/* Bump to version 35 - Samba 4.5 will ship with that */
+/* Version 35 - Change get_nt_acl_fn from const char *, to
+               const struct smb_filename * */
+/* Version 35 - Change mkdir from const char *, to
+               const struct smb_filename * */
+/* Version 35 - Change rmdir from const char *, to
+               const struct smb_filename * */
+/* Version 35 - Change opendir from const char *, to
+               const struct smb_filename * */
+/* Version 35 - Wrap aio async funtions args in a struct vfs_aio_state */
+/* Version 35 - Change chmod from const char *, to
+               const struct smb_filename * */
+/* Version 35 - Change chmod_acl from const char *, to
+               const struct smb_filename * */
+/* Version 35 - Change chown from const char *, to
+               const struct smb_filename * */
+/* Version 35 - Change lchown from const char *, to
+               const struct smb_filename * */
+/* Version 35 - Change streaminfo from const char *, to
+               const struct smb_filename * */
+/* Version 35 - Add uint32_t flags to struct smb_filename */
+/* Version 35 - Add get/set/fget/fset dos attribute functions. */
+/* Version 35 - Add bool use_ofd_locks to struct files_struct */
+/* Bump to version 36 - Samba 4.6 will ship with that */
+/* Version 36 - Remove is_offline and set_offline */
+/* Version 37 - Module init functions now take a TALLOC_CTX * parameter. */
+/* Version 37 - Add vfs_copy_chunk_flags for DUP_EXTENTS_TO_FILE */
+/* Version 37 - Change sys_acl_delete_def_file from const char *
+               to const struct smb_filename * */
+/* Version 37 - Change sys_acl_get_file from const char *
+               to const struct smb_filename * */
+/* Version 37 - Change sys_acl_blob_get_file from const char *
+               to const struct smb_filename * */
+/* Version 37 - Change sys_acl_set_file from const char *
+               to const struct smb_filename * */
+/* Version 37 - Change listxattr from const char *
+               to const struct smb_filename * */
+/* Version 37 - Change removexattr from const char *
+               to const struct smb_filename * */
+/* Version 37 - Change setxattr from const char *
+               to const struct smb_filename * */
+/* Version 37 - Change getxattr from const char *
+               to const struct smb_filename * */
+/* Version 37 - Change mknod from const char * to const struct smb_filename * */
+/* Version 37 - Change chflags from const char *
+               to const struct smb_filename * */
+/* Version 37 - Change disk_free from const char *
+               to const struct smb_filename * */
+/* Version 37 - Change get_quota from const char *
+               to const struct smb_filename * */
+/* Version 37 - Change link from const char *
+               to const struct smb_filename * */
+/* Version 37 - Change statvfs from const char *
+               to const struct smb_filename * */
+/* Version 37 - Change readlink from const char *
+               to const struct smb_filename * */
+/* Version 37 - Change symlink from const char *
+               to const struct smb_filename * */
+/* Version 37 - Change chdir from const char *
+               to const struct smb_filename * */
+/* Version 37 - Change getwd from char *
+               to const struct smb_filename * */
+/* Version 37 - Change conn->cwd from char *
+               to struct smb_filename * */
+/* Version 37 - Change realpath from char *
+               to struct smb_filename * */
+/* Version 37 - Change connectpath from char *
+               to struct smb_filename * */
+/* Version 37 - Add SMB_VFS_OFFLOAD_READ_SEND/RECV */
+/* Version 37 - Rename SMB_VFS_COPY_CHUNK_SEND/RECV to
+                SMB_VFS_OFFLOAD_READ_SEND/RECV */
+/* Version 37 - Remove SMB_VFS_STRICT_UNLOCK */
+/* Version 37 - Rename SMB_VFS_STRICT_LOCK to
+                SMB_VFS_STRICT_LOCK_CHECK */
+/* Version 38 - Remove SMB_VFS_INIT_SEARCH_OP */
+/* Bump to version 39, Samba 4.9 will ship with that */
+/* Version 39 - Remove SMB_VFS_FSYNC
+               Only implement async versions. */
+/* Version 39 - Remove SMB_VFS_READ
+               All users are now pread or async versions. */
+/* Version 39 - Remove SMB_VFS_WRITE
+               All users are now pwrite or async versions. */
+/* Version 39 - Remove SMB_VFS_CHMOD_ACL - no longer used. */
+/* Version 39 - Remove SMB_VFS_FCHMOD_ACL - no longer used. */
+/* Version 39 - Remove struct dfree_cached_info pointer from
+               connection struct */
+/* Bump to version 40, Samba 4.10 will ship with that */
+/* Version 40 - Introduce smb_vfs_ev_glue infrastructure. */
+/* Version 40 - Add vfs_not_implemented_* helper functions. */
+/* Version 40 - Add SMB_VFS_GETXATTRAT_SEND/RECV */
+/* Version 40 - Add SMB_VFS_GET_DOS_ATTRIBUTES_SEND/RECV */
+
+#define SMB_VFS_INTERFACE_VERSION 40
 
 /*
     All intercepted VFS operations must be declared as static functions inside module source
@@ -176,6 +283,9 @@ struct smb_file_time;
 struct blocking_lock_record;
 struct smb_filename;
 struct dfs_GetDFSReferral;
+struct tevent_context;
+struct pthreadpool_tevent;
+struct smb_vfs_ev_glue;
 
 typedef union unid_t {
        uid_t uid;
@@ -187,7 +297,7 @@ struct fd_handle {
        int fd;
        uint64_t position_information;
        off_t pos;
-       uint32 private_options; /* NT Create options, but we only look at
+       uint32_t private_options;       /* NT Create options, but we only look at
                                 * NTCREATEX_OPTIONS_PRIVATE_DENY_DOS and
                                 * NTCREATEX_OPTIONS_PRIVATE_DENY_FCB and
                                 * NTCREATEX_OPTIONS_PRIVATE_DELETE_ON_CLOSE
@@ -198,6 +308,13 @@ struct fd_handle {
        unsigned long gen_id;
 };
 
+struct fsp_lease {
+       size_t ref_count;
+       struct smbd_server_connection *sconn;
+       struct tevent_timer *timeout;
+       struct smb2_lease lease;
+};
+
 typedef struct files_struct {
        struct files_struct *next, *prev;
        uint64_t fnum;
@@ -207,12 +324,14 @@ typedef struct files_struct {
        unsigned int num_smb_operations;
        struct file_id file_id;
        uint64_t initial_allocation_size; /* Faked up initial allocation on disk. */
-       uint16 file_pid;
+       uint16_t file_pid;
        uint64_t vuid; /* SMB2 compat */
        struct write_cache *wcp;
        struct timeval open_time;
-       uint32 access_mask;             /* NTCreateX access bits (FILE_READ_DATA etc.) */
-       uint32 share_access;            /* NTCreateX share constants (FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE). */
+       uint32_t access_mask;           /* NTCreateX access bits (FILE_READ_DATA etc.) */
+       uint32_t share_access;          /* NTCreateX share constants (FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE). */
+
+       bool kernel_share_modes_taken;
 
        bool update_write_time_triggered;
        struct tevent_timer *update_write_time_event;
@@ -221,6 +340,7 @@ typedef struct files_struct {
        bool write_time_forced;
 
        int oplock_type;
+       struct fsp_lease *lease;
        int sent_oplock_break;
        struct tevent_timer *oplock_timeout;
        struct lock_struct last_lock_failure;
@@ -232,13 +352,13 @@ typedef struct files_struct {
        bool modified;
        bool is_directory;
        bool aio_write_behind;
-       bool lockdb_clean;
        bool initial_delete_on_close; /* Only set at NTCreateX if file was created. */
        bool delete_on_close;
-       bool posix_open;
+       uint64_t posix_flags;
        bool is_sparse;
        bool backup_intent; /* Handle was successfully opened with backup intent
                                and opener has privilege to do so. */
+       bool use_ofd_locks; /* Are we using open file description locks ? */
        struct smb_filename *fsp_name;
        uint32_t name_hash;             /* Jenkins hash of full pathname. */
        uint64_t mid;                   /* Mid of the operation that created us. */
@@ -276,8 +396,18 @@ typedef struct files_struct {
        struct tevent_req *deferred_close;
 } files_struct;
 
+#define FSP_POSIX_FLAGS_OPEN           0x01
+#define FSP_POSIX_FLAGS_RENAME         0x02
+#define FSP_POSIX_FLAGS_PATHNAMES      0x04
+
+#define FSP_POSIX_FLAGS_ALL                    \
+       (FSP_POSIX_FLAGS_OPEN |                 \
+        FSP_POSIX_FLAGS_PATHNAMES |            \
+        FSP_POSIX_FLAGS_RENAME)
+
 struct vuid_cache_entry {
        struct auth_session_info *session_info;
+       struct tevent_context *user_ev_ctx;
        uint64_t vuid; /* SMB2 compat */
        bool read_only;
        uint32_t share_access;
@@ -293,14 +423,6 @@ typedef struct {
        bool is_wild;
 } name_compare_entry;
 
-struct dfree_cached_info {
-       time_t last_dfree_time;
-       uint64_t dfree_ret;
-       uint64_t bsize;
-       uint64_t dfree;
-       uint64_t dsize;
-};
-
 struct share_params {
        int service;
 };
@@ -323,7 +445,8 @@ typedef struct connection_struct {
        enum timestamp_set_resolution ts_res;
        char *connectpath;
        char *origpath;
-       char *cwd; /* Working directory. */
+       struct smb_filename *cwd_fname; /* Working directory. */
+       bool tcon_done;
 
        struct vfs_handle_struct *vfs_handles;          /* for the new plugins */
 
@@ -332,6 +455,7 @@ typedef struct connection_struct {
         * on the vuid using this tid, this might change per SMB request.
         */
        struct auth_session_info *session_info;
+       struct tevent_context *user_ev_ctx;
 
        /*
         * If the "force group" parameter is set, this is the primary gid that
@@ -363,7 +487,6 @@ typedef struct connection_struct {
        name_compare_entry *veto_list; /* Per-share list of files to veto (never show). */
        name_compare_entry *veto_oplock_list; /* Per-share list of files to refuse oplocks on. */       
        name_compare_entry *aio_write_behind_list; /* Per-share list of files to use aio write behind on. */       
-       struct dfree_cached_info *dfree_info;
        struct trans_state *pending_trans;
 
        struct rpc_pipe_client *spoolss_pipe;
@@ -375,17 +498,17 @@ struct privilege_paths;
 
 struct smb_request {
        uint8_t cmd;
-       uint16 flags2;
-       uint16 smbpid;
+       uint16_t flags2;
+       uint16_t smbpid;
        uint64_t mid; /* For compatibility with SMB2. */
        uint32_t seqnum;
        uint64_t vuid; /* For compatibility with SMB2. */
        uint32_t tid;
-       uint8  wct;
+       uint8_t  wct;
        const uint16_t *vwv;
        uint16_t buflen;
        const uint8_t *buf;
-       const uint8 *inbuf;
+       const uint8_t *inbuf;
 
        /*
         * Async handling in the main smb processing loop is directed by
@@ -396,12 +519,15 @@ struct smb_request {
         * If async handling is wanted, the reply_xxx routine must make sure
         * that it talloc_move()s the smb_req somewhere else.
         */
-       uint8 *outbuf;
+       uint8_t *outbuf;
 
        size_t unread_bytes;
        bool encrypted;
+       /* the tevent_context (wrapper) the request operates on */
+       struct tevent_context *ev_ctx;
        connection_struct *conn;
        struct smbd_server_connection *sconn;
+       struct smbXsrv_connection *xconn;
        struct smb_perfcount_data pcd;
 
        /*
@@ -431,6 +557,8 @@ struct smb_request {
        struct smb_request **chain;
 
        struct timeval request_time;
+
+       bool posix_pathnames;
 };
 
 /*
@@ -458,9 +586,17 @@ struct smb_filename {
        char *base_name;
        char *stream_name;
        char *original_lcomp;
+       uint32_t flags;
        SMB_STRUCT_STAT st;
 };
 
+/*
+ * smb_filename flags. Define in terms of the FSP_POSIX_FLAGS_XX
+ * to keep the numeric values consistent.
+ */
+
+#define SMB_FILENAME_POSIX_PATH                FSP_POSIX_FLAGS_PATHNAMES
+
 #define VFS_FIND(__fn__) while (handle->fns->__fn__##_fn==NULL) { \
                                handle = handle->next; \
                         }
@@ -470,9 +606,14 @@ enum vfs_translate_direction {
        vfs_translate_to_windows
 };
 
-enum vfs_fallocate_mode {
-       VFS_FALLOCATE_EXTEND_SIZE = 0,
-       VFS_FALLOCATE_KEEP_SIZE = 1
+enum vfs_fallocate_flags {
+       VFS_FALLOCATE_FL_KEEP_SIZE              = 0x0001,
+       VFS_FALLOCATE_FL_PUNCH_HOLE             = 0x0002,
+};
+
+struct vfs_aio_state {
+       int error;
+       uint64_t duration;
 };
 
 /*
@@ -488,12 +629,21 @@ struct vfs_fn_pointers {
 
        int (*connect_fn)(struct vfs_handle_struct *handle, const char *service, const char *user);
        void (*disconnect_fn)(struct vfs_handle_struct *handle);
-       uint64_t (*disk_free_fn)(struct vfs_handle_struct *handle, const char *path, bool small_query, uint64_t *bsize,
-                             uint64_t *dfree, uint64_t *dsize);
-       int (*get_quota_fn)(struct vfs_handle_struct *handle, enum SMB_QUOTA_TYPE qtype, unid_t id, SMB_DISK_QUOTA *qt);
+       uint64_t (*disk_free_fn)(struct vfs_handle_struct *handle,
+                               const struct smb_filename *smb_fname,
+                               uint64_t *bsize,
+                               uint64_t *dfree,
+                               uint64_t *dsize);
+       int (*get_quota_fn)(struct vfs_handle_struct *handle,
+                               const struct smb_filename *smb_fname,
+                               enum SMB_QUOTA_TYPE qtype,
+                               unid_t id,
+                               SMB_DISK_QUOTA *qt);
        int (*set_quota_fn)(struct vfs_handle_struct *handle, enum SMB_QUOTA_TYPE qtype, unid_t id, SMB_DISK_QUOTA *qt);
        int (*get_shadow_copy_data_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, struct shadow_copy_data *shadow_copy_data, bool labels);
-       int (*statvfs_fn)(struct vfs_handle_struct *handle, const char *path, struct vfs_statvfs_struct *statbuf);
+       int (*statvfs_fn)(struct vfs_handle_struct *handle,
+                               const struct smb_filename *smb_fname,
+                               struct vfs_statvfs_struct *statbuf);
        uint32_t (*fs_capabilities_fn)(struct vfs_handle_struct *handle, enum timestamp_set_resolution *p_ts_res);
 
        /*
@@ -505,18 +655,23 @@ struct vfs_fn_pointers {
 
        /* Directory operations */
 
-       DIR *(*opendir_fn)(struct vfs_handle_struct *handle, const char *fname, const char *mask, uint32 attributes);
-       DIR *(*fdopendir_fn)(struct vfs_handle_struct *handle, files_struct *fsp, const char *mask, uint32 attributes);
+       DIR *(*opendir_fn)(struct vfs_handle_struct *handle,
+                                       const struct smb_filename *smb_fname,
+                                       const char *mask,
+                                       uint32_t attributes);
+       DIR *(*fdopendir_fn)(struct vfs_handle_struct *handle, files_struct *fsp, const char *mask, uint32_t attributes);
        struct dirent *(*readdir_fn)(struct vfs_handle_struct *handle,
                                         DIR *dirp,
                                         SMB_STRUCT_STAT *sbuf);
        void (*seekdir_fn)(struct vfs_handle_struct *handle, DIR *dirp, long offset);
        long (*telldir_fn)(struct vfs_handle_struct *handle, DIR *dirp);
        void (*rewind_dir_fn)(struct vfs_handle_struct *handle, DIR *dirp);
-       int (*mkdir_fn)(struct vfs_handle_struct *handle, const char *path, mode_t mode);
-       int (*rmdir_fn)(struct vfs_handle_struct *handle, const char *path);
+       int (*mkdir_fn)(struct vfs_handle_struct *handle,
+                       const struct smb_filename *smb_fname,
+                       mode_t mode);
+       int (*rmdir_fn)(struct vfs_handle_struct *handle,
+                       const struct smb_filename *smb_fname);
        int (*closedir_fn)(struct vfs_handle_struct *handle, DIR *dir);
-       void (*init_search_op_fn)(struct vfs_handle_struct *handle, DIR *dirp);
 
        /* File operations */
 
@@ -533,14 +688,16 @@ struct vfs_fn_pointers {
                                   uint32_t create_options,
                                   uint32_t file_attributes,
                                   uint32_t oplock_request,
+                                  struct smb2_lease *lease,
                                   uint64_t allocation_size,
                                   uint32_t private_flags,
                                   struct security_descriptor *sd,
                                   struct ea_list *ea_list,
                                   files_struct **result,
-                                  int *pinfo);
+                                  int *pinfo,
+                                  const struct smb2_create_blobs *in_context_blobs,
+                                  struct smb2_create_blobs *out_context_blobs);
        int (*close_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp);
-       ssize_t (*read_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, void *data, size_t n);
        ssize_t (*pread_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, void *data, size_t n, off_t offset);
        struct tevent_req *(*pread_send_fn)(struct vfs_handle_struct *handle,
                                            TALLOC_CTX *mem_ctx,
@@ -548,8 +705,7 @@ struct vfs_fn_pointers {
                                            struct files_struct *fsp,
                                            void *data,
                                            size_t n, off_t offset);
-       ssize_t (*pread_recv_fn)(struct tevent_req *req, int *err);
-       ssize_t (*write_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, const void *data, size_t n);
+       ssize_t (*pread_recv_fn)(struct tevent_req *req, struct vfs_aio_state *state);
        ssize_t (*pwrite_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, const void *data, size_t n, off_t offset);
        struct tevent_req *(*pwrite_send_fn)(struct vfs_handle_struct *handle,
                                             TALLOC_CTX *mem_ctx,
@@ -557,79 +713,129 @@ struct vfs_fn_pointers {
                                             struct files_struct *fsp,
                                             const void *data,
                                             size_t n, off_t offset);
-       ssize_t (*pwrite_recv_fn)(struct tevent_req *req, int *err);
+       ssize_t (*pwrite_recv_fn)(struct tevent_req *req, struct vfs_aio_state *state);
        off_t (*lseek_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, off_t offset, int whence);
        ssize_t (*sendfile_fn)(struct vfs_handle_struct *handle, int tofd, files_struct *fromfsp, const DATA_BLOB *header, off_t offset, size_t count);
        ssize_t (*recvfile_fn)(struct vfs_handle_struct *handle, int fromfd, files_struct *tofsp, off_t offset, size_t count);
        int (*rename_fn)(struct vfs_handle_struct *handle,
                         const struct smb_filename *smb_fname_src,
                         const struct smb_filename *smb_fname_dst);
-       int (*fsync_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp);
        struct tevent_req *(*fsync_send_fn)(struct vfs_handle_struct *handle,
                                            TALLOC_CTX *mem_ctx,
                                            struct tevent_context *ev,
                                            struct files_struct *fsp);
-       int (*fsync_recv_fn)(struct tevent_req *req, int *err);
+       int (*fsync_recv_fn)(struct tevent_req *req, struct vfs_aio_state *state);
        int (*stat_fn)(struct vfs_handle_struct *handle, struct smb_filename *smb_fname);
        int (*fstat_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_STRUCT_STAT *sbuf);
        int (*lstat_fn)(struct vfs_handle_struct *handle, struct smb_filename *smb_filename);
        uint64_t (*get_alloc_size_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, const SMB_STRUCT_STAT *sbuf);
        int (*unlink_fn)(struct vfs_handle_struct *handle,
                         const struct smb_filename *smb_fname);
-       int (*chmod_fn)(struct vfs_handle_struct *handle, const char *path, mode_t mode);
+       int (*chmod_fn)(struct vfs_handle_struct *handle,
+                       const struct smb_filename *smb_fname,
+                       mode_t mode);
        int (*fchmod_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, mode_t mode);
-       int (*chown_fn)(struct vfs_handle_struct *handle, const char *path, uid_t uid, gid_t gid);
+       int (*chown_fn)(struct vfs_handle_struct *handle,
+                       const struct smb_filename *smb_fname,
+                       uid_t uid,
+                       gid_t gid);
        int (*fchown_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, uid_t uid, gid_t gid);
-       int (*lchown_fn)(struct vfs_handle_struct *handle, const char *path, uid_t uid, gid_t gid);
-       int (*chdir_fn)(struct vfs_handle_struct *handle, const char *path);
-       char *(*getwd_fn)(struct vfs_handle_struct *handle);
+       int (*lchown_fn)(struct vfs_handle_struct *handle,
+                       const struct smb_filename *smb_fname,
+                       uid_t uid,
+                       gid_t gid);
+       int (*chdir_fn)(struct vfs_handle_struct *handle,
+                        const struct smb_filename *smb_fname);
+       struct smb_filename *(*getwd_fn)(struct vfs_handle_struct *handle,
+                               TALLOC_CTX *mem_ctx);
        int (*ntimes_fn)(struct vfs_handle_struct *handle,
                         const struct smb_filename *smb_fname,
                         struct smb_file_time *ft);
        int (*ftruncate_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, off_t offset);
        int (*fallocate_fn)(struct vfs_handle_struct *handle,
                            struct files_struct *fsp,
-                           enum vfs_fallocate_mode mode,
+                           uint32_t mode,
                            off_t offset,
                            off_t len);
        bool (*lock_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, int op, off_t offset, off_t count, int type);
        int (*kernel_flock_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp,
-                              uint32 share_mode, uint32_t access_mask);
+                              uint32_t share_mode, uint32_t access_mask);
        int (*linux_setlease_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, int leasetype);
        bool (*getlock_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, off_t *poffset, off_t *pcount, int *ptype, pid_t *ppid);
-       int (*symlink_fn)(struct vfs_handle_struct *handle, const char *oldpath, const char *newpath);
-       int (*readlink_fn)(struct vfs_handle_struct *handle, const char *path, char *buf, size_t bufsiz);
-       int (*link_fn)(struct vfs_handle_struct *handle, const char *oldpath, const char *newpath);
-       int (*mknod_fn)(struct vfs_handle_struct *handle, const char *path, mode_t mode, SMB_DEV_T dev);
-       char *(*realpath_fn)(struct vfs_handle_struct *handle, const char *path);
-       NTSTATUS (*notify_watch_fn)(struct vfs_handle_struct *handle,
-                                   struct sys_notify_context *ctx,
-                                   const char *path,
-                                   uint32_t *filter,
-                                   uint32_t *subdir_filter,
-                                   void (*callback)(struct sys_notify_context *ctx,
-                                                    void *private_data,
-                                                    struct notify_event *ev),
-                                   void *private_data, 
-                                   void *handle_p);
-       int (*chflags_fn)(struct vfs_handle_struct *handle, const char *path, unsigned int flags);
+       int (*symlink_fn)(struct vfs_handle_struct *handle,
+                               const char *link_contents,
+                               const struct smb_filename *new_smb_fname);
+       int (*readlink_fn)(struct vfs_handle_struct *handle,
+                               const struct smb_filename *smb_fname,
+                               char *buf,
+                               size_t bufsiz);
+       int (*link_fn)(struct vfs_handle_struct *handle,
+                               const struct smb_filename *old_smb_fname,
+                               const struct smb_filename *new_smb_fname);
+       int (*mknod_fn)(struct vfs_handle_struct *handle,
+                               const struct smb_filename *smb_fname,
+                               mode_t mode,
+                               SMB_DEV_T dev);
+       struct smb_filename *(*realpath_fn)(struct vfs_handle_struct *handle,
+                               TALLOC_CTX *ctx,
+                               const struct smb_filename *smb_fname);
+       int (*chflags_fn)(struct vfs_handle_struct *handle,
+                               const struct smb_filename *smb_fname,
+                               unsigned int flags);
        struct file_id (*file_id_create_fn)(struct vfs_handle_struct *handle,
                                            const SMB_STRUCT_STAT *sbuf);
-       struct tevent_req *(*copy_chunk_send_fn)(struct vfs_handle_struct *handle,
-                                                TALLOC_CTX *mem_ctx,
-                                                struct tevent_context *ev,
-                                                struct files_struct *src_fsp,
-                                                off_t src_off,
-                                                struct files_struct *dest_fsp,
-                                                off_t dest_off,
-                                                off_t num);
-       NTSTATUS (*copy_chunk_recv_fn)(struct vfs_handle_struct *handle,
-                                      struct tevent_req *req,
-                                      off_t *copied);
+       struct tevent_req *(*offload_read_send_fn)(TALLOC_CTX *mem_ctx,
+                                                  struct tevent_context *ev,
+                                                  struct vfs_handle_struct *handle,
+                                                  struct files_struct *fsp,
+                                                  uint32_t fsctl,
+                                                  uint32_t ttl,
+                                                  off_t offset,
+                                                  size_t to_copy);
+       NTSTATUS (*offload_read_recv_fn)(struct tevent_req *req,
+                                        struct vfs_handle_struct *handle,
+                                        TALLOC_CTX *mem_ctx,
+                                        DATA_BLOB *token_blob);
+       struct tevent_req *(*offload_write_send_fn)(struct vfs_handle_struct *handle,
+                                                   TALLOC_CTX *mem_ctx,
+                                                   struct tevent_context *ev,
+                                                   uint32_t fsctl,
+                                                   DATA_BLOB *token,
+                                                   off_t transfer_offset,
+                                                   struct files_struct *dest_fsp,
+                                                   off_t dest_off,
+                                                   off_t to_copy);
+       NTSTATUS (*offload_write_recv_fn)(struct vfs_handle_struct *handle,
+                                         struct tevent_req *req,
+                                         off_t *copied);
+       NTSTATUS (*get_compression_fn)(struct vfs_handle_struct *handle,
+                                      TALLOC_CTX *mem_ctx,
+                                      struct files_struct *fsp,
+                                      struct smb_filename *smb_fname,
+                                      uint16_t *_compression_fmt);
+       NTSTATUS (*set_compression_fn)(struct vfs_handle_struct *handle,
+                                      TALLOC_CTX *mem_ctx,
+                                      struct files_struct *fsp,
+                                      uint16_t compression_fmt);
+       NTSTATUS (*snap_check_path_fn)(struct vfs_handle_struct *handle,
+                                      TALLOC_CTX *mem_ctx,
+                                      const char *service_path,
+                                      char **base_volume);
+       NTSTATUS (*snap_create_fn)(struct vfs_handle_struct *handle,
+                                  TALLOC_CTX *mem_ctx,
+                                  const char *base_volume,
+                                  time_t *tstamp,
+                                  bool rw,
+                                  char **base_path,
+                                  char **snap_path);
+       NTSTATUS (*snap_delete_fn)(struct vfs_handle_struct *handle,
+                                  TALLOC_CTX *mem_ctx,
+                                  char *base_path,
+                                  char *snap_path);
 
        NTSTATUS (*streaminfo_fn)(struct vfs_handle_struct *handle,
                                  struct files_struct *fsp,
-                                 const char *fname,
+                                 const struct smb_filename *smb_fname,
                                  TALLOC_CTX *mem_ctx,
                                  unsigned int *num_streams,
                                  struct stream_struct **streams);
@@ -641,13 +847,12 @@ struct vfs_fn_pointers {
                                    char **found_name);
 
        const char *(*connectpath_fn)(struct vfs_handle_struct *handle,
-                                     const char *filename);
+                                     const struct smb_filename *smb_fname);
 
        NTSTATUS (*brl_lock_windows_fn)(struct vfs_handle_struct *handle,
                                        struct byte_range_lock *br_lck,
                                        struct lock_struct *plock,
-                                       bool blocking_lock,
-                                       struct blocking_lock_record *blr);
+                                       bool blocking_lock);
 
        bool (*brl_unlock_windows_fn)(struct vfs_handle_struct *handle,
                                      struct messaging_context *msg_ctx,
@@ -656,16 +861,11 @@ struct vfs_fn_pointers {
 
        bool (*brl_cancel_windows_fn)(struct vfs_handle_struct *handle,
                                      struct byte_range_lock *br_lck,
-                                     struct lock_struct *plock,
-                                     struct blocking_lock_record *blr);
+                                     struct lock_struct *plock);
 
-       bool (*strict_lock_fn)(struct vfs_handle_struct *handle,
-                              struct files_struct *fsp,
-                              struct lock_struct *plock);
-
-       void (*strict_unlock_fn)(struct vfs_handle_struct *handle,
-                                struct files_struct *fsp,
-                                struct lock_struct *plock);
+       bool (*strict_lock_check_fn)(struct vfs_handle_struct *handle,
+                                    struct files_struct *fsp,
+                                    struct lock_struct *plock);
 
        NTSTATUS (*translate_name_fn)(struct vfs_handle_struct *handle,
                                      const char *name,
@@ -684,21 +884,49 @@ struct vfs_fn_pointers {
                             uint32_t max_out_len,
                             uint32_t *out_len); 
 
+       NTSTATUS (*get_dos_attributes_fn)(struct vfs_handle_struct *handle,
+                                         struct smb_filename *smb_fname,
+                                         uint32_t *dosmode);
+
+       NTSTATUS (*fget_dos_attributes_fn)(struct vfs_handle_struct *handle,
+                                          struct files_struct *fsp,
+                                          uint32_t *dosmode);
+
+       NTSTATUS (*set_dos_attributes_fn)(struct vfs_handle_struct *handle,
+                                         const struct smb_filename *smb_fname,
+                                         uint32_t dosmode);
+
+       NTSTATUS (*fset_dos_attributes_fn)(struct vfs_handle_struct *hande,
+                                          struct files_struct *fsp,
+                                          uint32_t dosmode);
+
+       struct tevent_req *(*get_dos_attributes_send_fn)(
+                               TALLOC_CTX *mem_ctx,
+                               struct tevent_context *ev,
+                               struct vfs_handle_struct *handle,
+                               files_struct *dir_fsp,
+                               struct smb_filename *smb_fname);
+
+       NTSTATUS (*get_dos_attributes_recv_fn)(
+                               struct tevent_req *req,
+                               struct vfs_aio_state *aio_state,
+                               uint32_t *dosmode);
+
        /* NT ACL operations. */
 
        NTSTATUS (*fget_nt_acl_fn)(struct vfs_handle_struct *handle,
                                   struct files_struct *fsp,
-                                  uint32 security_info,
+                                  uint32_t security_info,
                                   TALLOC_CTX *mem_ctx,
                                   struct security_descriptor **ppdesc);
        NTSTATUS (*get_nt_acl_fn)(struct vfs_handle_struct *handle,
-                                 const char *name,
-                                 uint32 security_info,
+                                 const struct smb_filename *smb_fname,
+                                 uint32_t security_info,
                                   TALLOC_CTX *mem_ctx,
                                  struct security_descriptor **ppdesc);
        NTSTATUS (*fset_nt_acl_fn)(struct vfs_handle_struct *handle,
                                   struct files_struct *fsp,
-                                  uint32 security_info_sent,
+                                  uint32_t security_info_sent,
                                   const struct security_descriptor *psd);
 
        NTSTATUS (*audit_file_fn)(struct vfs_handle_struct *handle,
@@ -709,48 +937,68 @@ struct vfs_fn_pointers {
 
        /* POSIX ACL operations. */
 
-       int (*chmod_acl_fn)(struct vfs_handle_struct *handle, const char *name, mode_t mode);
-       int (*fchmod_acl_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, mode_t mode);
-
        SMB_ACL_T (*sys_acl_get_file_fn)(struct vfs_handle_struct *handle,
-                                        const char *path_p,
+                                        const struct smb_filename *smb_fname,
                                         SMB_ACL_TYPE_T type,
                                         TALLOC_CTX *mem_ctx);
        SMB_ACL_T (*sys_acl_get_fd_fn)(struct vfs_handle_struct *handle,
                                       struct files_struct *fsp,
                                       TALLOC_CTX *mem_ctx);
        int (*sys_acl_blob_get_file_fn)(struct vfs_handle_struct *handle,
-                                       const char *path_p,
+                                       const struct smb_filename *smb_fname,
                                        TALLOC_CTX *mem_ctx,
                                        char **blob_description,
                                        DATA_BLOB *blob);
        int (*sys_acl_blob_get_fd_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp,
                                      TALLOC_CTX *mem_ctx, char **blob_description,
                                      DATA_BLOB *blob);
-       int (*sys_acl_set_file_fn)(struct vfs_handle_struct *handle, const char *name, SMB_ACL_TYPE_T acltype, SMB_ACL_T theacl);
+       int (*sys_acl_set_file_fn)(struct vfs_handle_struct *handle,
+                                       const struct smb_filename *smb_fname,
+                                       SMB_ACL_TYPE_T acltype,
+                                       SMB_ACL_T theacl);
        int (*sys_acl_set_fd_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_ACL_T theacl);
-       int (*sys_acl_delete_def_file_fn)(struct vfs_handle_struct *handle, const char *path);
+       int (*sys_acl_delete_def_file_fn)(struct vfs_handle_struct *handle,
+                                       const struct smb_filename *smb_fname);
 
        /* EA operations. */
-       ssize_t (*getxattr_fn)(struct vfs_handle_struct *handle,const char *path, const char *name, void *value, size_t size);
+       ssize_t (*getxattr_fn)(struct vfs_handle_struct *handle,
+                                       const struct smb_filename *smb_fname,
+                                       const char *name,
+                                       void *value,
+                                       size_t size);
+       struct tevent_req *(*getxattrat_send_fn)(
+                               TALLOC_CTX *mem_ctx,
+                               struct tevent_context *ev,
+                               struct vfs_handle_struct *handle,
+                               files_struct *dir_fsp,
+                               const struct smb_filename *smb_fname,
+                               const char *xattr_name,
+                               size_t alloc_hint);
+       ssize_t (*getxattrat_recv_fn)(struct tevent_req *req,
+                                     struct vfs_aio_state *aio_state,
+                                     TALLOC_CTX *mem_ctx,
+                                     uint8_t **xattr_value);
        ssize_t (*fgetxattr_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, const char *name, void *value, size_t size);
-       ssize_t (*listxattr_fn)(struct vfs_handle_struct *handle, const char *path, char *list, size_t size);
+       ssize_t (*listxattr_fn)(struct vfs_handle_struct *handle,
+                                       const struct smb_filename *smb_fname,
+                                       char *list,
+                                       size_t size);
        ssize_t (*flistxattr_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, char *list, size_t size);
-       int (*removexattr_fn)(struct vfs_handle_struct *handle, const char *path, const char *name);
+       int (*removexattr_fn)(struct vfs_handle_struct *handle,
+                                       const struct smb_filename *smb_fname,
+                                       const char *name);
        int (*fremovexattr_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, const char *name);
-       int (*setxattr_fn)(struct vfs_handle_struct *handle, const char *path, const char *name, const void *value, size_t size, int flags);
+       int (*setxattr_fn)(struct vfs_handle_struct *handle,
+                                       const struct smb_filename *smb_fname,
+                                       const char *name,
+                                       const void *value,
+                                       size_t size,
+                                       int flags);
        int (*fsetxattr_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, const char *name, const void *value, size_t size, int flags);
 
        /* aio operations */
        bool (*aio_force_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp);
 
-       /* offline operations */
-       bool (*is_offline_fn)(struct vfs_handle_struct *handle,
-                          const struct smb_filename *fname,
-                          SMB_STRUCT_STAT *sbuf);
-       int (*set_offline_fn)(struct vfs_handle_struct *handle,
-                          const struct smb_filename *fname);
-
        /* durable handle operations */
        NTSTATUS (*durable_cookie_fn)(struct vfs_handle_struct *handle,
                                      struct files_struct *fsp,
@@ -768,6 +1016,11 @@ struct vfs_fn_pointers {
                                         TALLOC_CTX *mem_ctx,
                                         struct files_struct **fsp,
                                         DATA_BLOB *new_cookie);
+
+       NTSTATUS (*readdir_attr_fn)(struct vfs_handle_struct *handle,
+                                   const struct smb_filename *fname,
+                                   TALLOC_CTX *mem_ctx,
+                                   struct readdir_attr_data **attr_data);
 };
 
 /*
@@ -789,8 +1042,8 @@ typedef struct vfs_handle_struct {
 
 typedef struct vfs_statvfs_struct {
        /* For undefined recommended transfer size return -1 in that field */
-       uint32 OptimalTransferSize;  /* bsize on some os, iosize on other os */
-       uint32 BlockSize;
+       uint32_t OptimalTransferSize;  /* bsize on some os, iosize on other os */
+       uint32_t BlockSize;
 
        /*
         The next three fields are in terms of the block size.
@@ -820,7 +1073,7 @@ typedef struct vfs_statvfs_struct {
  * extenstion data.
  */
 #define VFS_ADD_FSP_EXTENSION(handle, fsp, type, destroy_fn)           \
-    vfs_add_fsp_extension_notype(handle, (fsp), sizeof(type), (destroy_fn))
+    (type *)vfs_add_fsp_extension_notype(handle, (fsp), sizeof(type), (destroy_fn))
 
 /* Return a pointer to the existing FSP extension data. */
 #define VFS_FETCH_FSP_EXTENSION(handle, fsp) \
@@ -873,12 +1126,15 @@ int smb_vfs_call_connect(struct vfs_handle_struct *handle,
                         const char *service, const char *user);
 void smb_vfs_call_disconnect(struct vfs_handle_struct *handle);
 uint64_t smb_vfs_call_disk_free(struct vfs_handle_struct *handle,
-                               const char *path, bool small_query,
-                               uint64_t *bsize, uint64_t *dfree,
+                               const struct smb_filename *smb_filename,
+                               uint64_t *bsize,
+                               uint64_t *dfree,
                                uint64_t *dsize);
 int smb_vfs_call_get_quota(struct vfs_handle_struct *handle,
-                          enum SMB_QUOTA_TYPE qtype, unid_t id,
-                          SMB_DISK_QUOTA *qt);
+                               const struct smb_filename *smb_filename,
+                               enum SMB_QUOTA_TYPE qtype,
+                               unid_t id,
+                               SMB_DISK_QUOTA *qt);
 int smb_vfs_call_set_quota(struct vfs_handle_struct *handle,
                           enum SMB_QUOTA_TYPE qtype, unid_t id,
                           SMB_DISK_QUOTA *qt);
@@ -886,8 +1142,9 @@ int smb_vfs_call_get_shadow_copy_data(struct vfs_handle_struct *handle,
                                      struct files_struct *fsp,
                                      struct shadow_copy_data *shadow_copy_data,
                                      bool labels);
-int smb_vfs_call_statvfs(struct vfs_handle_struct *handle, const char *path,
-                        struct vfs_statvfs_struct *statbuf);
+int smb_vfs_call_statvfs(struct vfs_handle_struct *handle,
+                       const struct smb_filename *smb_fname,
+                       struct vfs_statvfs_struct *statbuf);
 uint32_t smb_vfs_call_fs_capabilities(struct vfs_handle_struct *handle,
                                      enum timestamp_set_resolution *p_ts_res);
 /*
@@ -896,12 +1153,13 @@ uint32_t smb_vfs_call_fs_capabilities(struct vfs_handle_struct *handle,
 NTSTATUS smb_vfs_call_get_dfs_referrals(struct vfs_handle_struct *handle,
                                        struct dfs_GetDFSReferral *r);
 DIR *smb_vfs_call_opendir(struct vfs_handle_struct *handle,
-                                    const char *fname, const char *mask,
-                                    uint32 attributes);
+                       const struct smb_filename *smb_fname,
+                       const char *mask,
+                       uint32_t attributes);
 DIR *smb_vfs_call_fdopendir(struct vfs_handle_struct *handle,
                                        struct files_struct *fsp,
                                        const char *mask,
-                                       uint32 attributes);
+                                       uint32_t attributes);
 struct dirent *smb_vfs_call_readdir(struct vfs_handle_struct *handle,
                                        DIR *dirp,
                                        SMB_STRUCT_STAT *sbuf);
@@ -911,13 +1169,13 @@ long smb_vfs_call_telldir(struct vfs_handle_struct *handle,
                          DIR *dirp);
 void smb_vfs_call_rewind_dir(struct vfs_handle_struct *handle,
                             DIR *dirp);
-int smb_vfs_call_mkdir(struct vfs_handle_struct *handle, const char *path,
-                      mode_t mode);
-int smb_vfs_call_rmdir(struct vfs_handle_struct *handle, const char *path);
+int smb_vfs_call_mkdir(struct vfs_handle_struct *handle,
+                       const struct smb_filename *smb_fname,
+                       mode_t mode);
+int smb_vfs_call_rmdir(struct vfs_handle_struct *handle,
+                       const struct smb_filename *smb_fname);
 int smb_vfs_call_closedir(struct vfs_handle_struct *handle,
                          DIR *dir);
-void smb_vfs_call_init_search_op(struct vfs_handle_struct *handle,
-                                DIR *dirp);
 int smb_vfs_call_open(struct vfs_handle_struct *handle,
                      struct smb_filename *smb_fname, struct files_struct *fsp,
                      int flags, mode_t mode);
@@ -931,16 +1189,17 @@ NTSTATUS smb_vfs_call_create_file(struct vfs_handle_struct *handle,
                                  uint32_t create_options,
                                  uint32_t file_attributes,
                                  uint32_t oplock_request,
+                                 struct smb2_lease *lease,
                                  uint64_t allocation_size,
                                  uint32_t private_flags,
                                  struct security_descriptor *sd,
                                  struct ea_list *ea_list,
                                  files_struct **result,
-                                 int *pinfo);
+                                 int *pinfo,
+                                 const struct smb2_create_blobs *in_context_blobs,
+                                 struct smb2_create_blobs *out_context_blobs);
 int smb_vfs_call_close(struct vfs_handle_struct *handle,
                       struct files_struct *fsp);
-ssize_t smb_vfs_call_read(struct vfs_handle_struct *handle,
-                         struct files_struct *fsp, void *data, size_t n);
 ssize_t smb_vfs_call_pread(struct vfs_handle_struct *handle,
                           struct files_struct *fsp, void *data, size_t n,
                           off_t offset);
@@ -950,11 +1209,8 @@ struct tevent_req *smb_vfs_call_pread_send(struct vfs_handle_struct *handle,
                                           struct files_struct *fsp,
                                           void *data,
                                           size_t n, off_t offset);
-ssize_t SMB_VFS_PREAD_RECV(struct tevent_req *req, int *perrno);
+ssize_t SMB_VFS_PREAD_RECV(struct tevent_req *req, struct vfs_aio_state *state);
 
-ssize_t smb_vfs_call_write(struct vfs_handle_struct *handle,
-                          struct files_struct *fsp, const void *data,
-                          size_t n);
 ssize_t smb_vfs_call_pwrite(struct vfs_handle_struct *handle,
                            struct files_struct *fsp, const void *data,
                            size_t n, off_t offset);
@@ -964,7 +1220,7 @@ struct tevent_req *smb_vfs_call_pwrite_send(struct vfs_handle_struct *handle,
                                            struct files_struct *fsp,
                                            const void *data,
                                            size_t n, off_t offset);
-ssize_t SMB_VFS_PWRITE_RECV(struct tevent_req *req, int *perrno);
+ssize_t SMB_VFS_PWRITE_RECV(struct tevent_req *req, struct vfs_aio_state *state);
 
 off_t smb_vfs_call_lseek(struct vfs_handle_struct *handle,
                             struct files_struct *fsp, off_t offset,
@@ -978,15 +1234,14 @@ ssize_t smb_vfs_call_recvfile(struct vfs_handle_struct *handle, int fromfd,
 int smb_vfs_call_rename(struct vfs_handle_struct *handle,
                        const struct smb_filename *smb_fname_src,
                        const struct smb_filename *smb_fname_dst);
-int smb_vfs_call_fsync(struct vfs_handle_struct *handle,
-                      struct files_struct *fsp);
 
 struct tevent_req *smb_vfs_call_fsync_send(struct vfs_handle_struct *handle,
                                           TALLOC_CTX *mem_ctx,
                                           struct tevent_context *ev,
                                           struct files_struct *fsp);
-int SMB_VFS_FSYNC_RECV(struct tevent_req *req, int *perrno);
+int SMB_VFS_FSYNC_RECV(struct tevent_req *req, struct vfs_aio_state *state);
 
+int smb_vfs_fsync_sync(files_struct *fsp);
 int smb_vfs_call_stat(struct vfs_handle_struct *handle,
                      struct smb_filename *smb_fname);
 int smb_vfs_call_fstat(struct vfs_handle_struct *handle,
@@ -998,64 +1253,71 @@ uint64_t smb_vfs_call_get_alloc_size(struct vfs_handle_struct *handle,
                                     const SMB_STRUCT_STAT *sbuf);
 int smb_vfs_call_unlink(struct vfs_handle_struct *handle,
                        const struct smb_filename *smb_fname);
-int smb_vfs_call_chmod(struct vfs_handle_struct *handle, const char *path,
-                      mode_t mode);
+int smb_vfs_call_chmod(struct vfs_handle_struct *handle,
+                       const struct smb_filename *smb_fname,
+                       mode_t mode);
 int smb_vfs_call_fchmod(struct vfs_handle_struct *handle,
                        struct files_struct *fsp, mode_t mode);
-int smb_vfs_call_chown(struct vfs_handle_struct *handle, const char *path,
-                      uid_t uid, gid_t gid);
+int smb_vfs_call_chown(struct vfs_handle_struct *handle,
+                       const struct smb_filename *smb_fname,
+                       uid_t uid,
+                       gid_t gid);
 int smb_vfs_call_fchown(struct vfs_handle_struct *handle,
                        struct files_struct *fsp, uid_t uid, gid_t gid);
-int smb_vfs_call_lchown(struct vfs_handle_struct *handle, const char *path,
-                       uid_t uid, gid_t gid);
-int smb_vfs_call_chdir(struct vfs_handle_struct *handle, const char *path);
-char *smb_vfs_call_getwd(struct vfs_handle_struct *handle);
+int smb_vfs_call_lchown(struct vfs_handle_struct *handle,
+                       const struct smb_filename *smb_fname,
+                       uid_t uid,
+                       gid_t gid);
+int smb_vfs_call_chdir(struct vfs_handle_struct *handle,
+                       const struct smb_filename *smb_fname);
+struct smb_filename *smb_vfs_call_getwd(struct vfs_handle_struct *handle,
+                               TALLOC_CTX *ctx);
 int smb_vfs_call_ntimes(struct vfs_handle_struct *handle,
                        const struct smb_filename *smb_fname,
                        struct smb_file_time *ft);
 int smb_vfs_call_ftruncate(struct vfs_handle_struct *handle,
                           struct files_struct *fsp, off_t offset);
 int smb_vfs_call_fallocate(struct vfs_handle_struct *handle,
-                       struct files_struct *fsp,
-                       enum vfs_fallocate_mode mode,
-                       off_t offset,
-                       off_t len);
+                          struct files_struct *fsp,
+                          uint32_t mode,
+                          off_t offset,
+                          off_t len);
 bool smb_vfs_call_lock(struct vfs_handle_struct *handle,
                       struct files_struct *fsp, int op, off_t offset,
                       off_t count, int type);
 int smb_vfs_call_kernel_flock(struct vfs_handle_struct *handle,
-                             struct files_struct *fsp, uint32 share_mode,
+                             struct files_struct *fsp, uint32_t share_mode,
                              uint32_t access_mask);
 int smb_vfs_call_linux_setlease(struct vfs_handle_struct *handle,
                                struct files_struct *fsp, int leasetype);
 bool smb_vfs_call_getlock(struct vfs_handle_struct *handle,
                          struct files_struct *fsp, off_t *poffset,
                          off_t *pcount, int *ptype, pid_t *ppid);
-int smb_vfs_call_symlink(struct vfs_handle_struct *handle, const char *oldpath,
-                        const char *newpath);
+int smb_vfs_call_symlink(struct vfs_handle_struct *handle,
+                       const char *link_contents,
+                       const struct smb_filename *new_smb_fname);
 int smb_vfs_call_readlink(struct vfs_handle_struct *handle,
-                         const char *path, char *buf, size_t bufsiz);
-int smb_vfs_call_link(struct vfs_handle_struct *handle, const char *oldpath,
-                     const char *newpath);
-int smb_vfs_call_mknod(struct vfs_handle_struct *handle, const char *path,
-                      mode_t mode, SMB_DEV_T dev);
-char *smb_vfs_call_realpath(struct vfs_handle_struct *handle, const char *path);
-NTSTATUS smb_vfs_call_notify_watch(struct vfs_handle_struct *handle,
-                                  struct sys_notify_context *ctx,
-                                  const char *name,
-                                  uint32_t *filter,
-                                  uint32_t *subdir_filter,
-                                  void (*callback)(struct sys_notify_context *ctx,
-                                                   void *private_data,
-                                                   struct notify_event *ev),
-                                  void *private_data, void *handle_p);
-int smb_vfs_call_chflags(struct vfs_handle_struct *handle, const char *path,
-                        unsigned int flags);
+                       const struct smb_filename *smb_fname,
+                       char *buf,
+                       size_t bufsiz);
+int smb_vfs_call_link(struct vfs_handle_struct *handle,
+                       const struct smb_filename *old_smb_fname,
+                       const struct smb_filename *new_smb_fname);
+int smb_vfs_call_mknod(struct vfs_handle_struct *handle,
+                       const struct smb_filename *smb_fname,
+                       mode_t mode,
+                       SMB_DEV_T dev);
+struct smb_filename *smb_vfs_call_realpath(struct vfs_handle_struct *handle,
+                       TALLOC_CTX *ctx,
+                       const struct smb_filename *smb_fname);
+int smb_vfs_call_chflags(struct vfs_handle_struct *handle,
+                       const struct smb_filename *smb_fname,
+                       unsigned int flags);
 struct file_id smb_vfs_call_file_id_create(struct vfs_handle_struct *handle,
                                           const SMB_STRUCT_STAT *sbuf);
 NTSTATUS smb_vfs_call_streaminfo(struct vfs_handle_struct *handle,
                                 struct files_struct *fsp,
-                                const char *fname,
+                                const struct smb_filename *smb_fname,
                                 TALLOC_CTX *mem_ctx,
                                 unsigned int *num_streams,
                                 struct stream_struct **streams);
@@ -1063,26 +1325,21 @@ int smb_vfs_call_get_real_filename(struct vfs_handle_struct *handle,
                                   const char *path, const char *name,
                                   TALLOC_CTX *mem_ctx, char **found_name);
 const char *smb_vfs_call_connectpath(struct vfs_handle_struct *handle,
-                                    const char *filename);
+                                    const struct smb_filename *smb_fname);
 NTSTATUS smb_vfs_call_brl_lock_windows(struct vfs_handle_struct *handle,
                                       struct byte_range_lock *br_lck,
                                       struct lock_struct *plock,
-                                      bool blocking_lock,
-                                      struct blocking_lock_record *blr);
+                                      bool blocking_lock);
 bool smb_vfs_call_brl_unlock_windows(struct vfs_handle_struct *handle,
                                     struct messaging_context *msg_ctx,
                                     struct byte_range_lock *br_lck,
                                     const struct lock_struct *plock);
 bool smb_vfs_call_brl_cancel_windows(struct vfs_handle_struct *handle,
                                     struct byte_range_lock *br_lck,
-                                    struct lock_struct *plock,
-                                    struct blocking_lock_record *blr);
-bool smb_vfs_call_strict_lock(struct vfs_handle_struct *handle,
-                             struct files_struct *fsp,
-                             struct lock_struct *plock);
-void smb_vfs_call_strict_unlock(struct vfs_handle_struct *handle,
-                               struct files_struct *fsp,
-                               struct lock_struct *plock);
+                                    struct lock_struct *plock);
+bool smb_vfs_call_strict_lock_check(struct vfs_handle_struct *handle,
+                                   struct files_struct *fsp,
+                                   struct lock_struct *plock);
 NTSTATUS smb_vfs_call_translate_name(struct vfs_handle_struct *handle,
                                     const char *name,
                                     enum vfs_translate_direction direction,
@@ -1098,49 +1355,108 @@ NTSTATUS smb_vfs_call_fsctl(struct vfs_handle_struct *handle,
                            uint8_t **_out_data,
                            uint32_t max_out_len,
                            uint32_t *out_len);
-struct tevent_req *smb_vfs_call_copy_chunk_send(struct vfs_handle_struct *handle,
-                                               TALLOC_CTX *mem_ctx,
-                                               struct tevent_context *ev,
-                                               struct files_struct *src_fsp,
-                                               off_t src_off,
-                                               struct files_struct *dest_fsp,
-                                               off_t dest_off,
-                                               off_t num);
-NTSTATUS smb_vfs_call_copy_chunk_recv(struct vfs_handle_struct *handle,
-                                     struct tevent_req *req,
-                                     off_t *copied);
+NTSTATUS smb_vfs_call_get_dos_attributes(struct vfs_handle_struct *handle,
+                                        struct smb_filename *smb_fname,
+                                        uint32_t *dosmode);
+NTSTATUS smb_vfs_call_fget_dos_attributes(struct vfs_handle_struct *handle,
+                                         struct files_struct *fsp,
+                                         uint32_t *dosmode);
+NTSTATUS smb_vfs_call_set_dos_attributes(struct vfs_handle_struct *handle,
+                                        const struct smb_filename *smb_fname,
+                                        uint32_t dosmode);
+NTSTATUS smb_vfs_call_fset_dos_attributes(struct vfs_handle_struct *handle,
+                                         struct files_struct *fsp,
+                                         uint32_t dosmode);
+struct tevent_req *smb_vfs_call_get_dos_attributes_send(
+                       TALLOC_CTX *mem_ctx,
+                       struct tevent_context *ev,
+                       struct vfs_handle_struct *handle,
+                       files_struct *dir_fsp,
+                       struct smb_filename *smb_fname);
+NTSTATUS smb_vfs_call_get_dos_attributes_recv(
+                       struct tevent_req *req,
+                       struct vfs_aio_state *aio_state,
+                       uint32_t *dosmode);
+struct tevent_req *smb_vfs_call_offload_read_send(
+       TALLOC_CTX *mem_ctx,
+       struct tevent_context *ev,
+       struct vfs_handle_struct *handle,
+       struct files_struct *fsp,
+       uint32_t fsctl,
+       uint32_t ttl,
+       off_t offset,
+       size_t to_copy);
+NTSTATUS smb_vfs_call_offload_read_recv(struct tevent_req *req,
+                                       struct vfs_handle_struct *handle,
+                                       TALLOC_CTX *mem_ctx,
+                                       DATA_BLOB *token_blob);
+struct tevent_req *smb_vfs_call_offload_write_send(struct vfs_handle_struct *handle,
+                                                  TALLOC_CTX *mem_ctx,
+                                                  struct tevent_context *ev,
+                                                  uint32_t fsctl,
+                                                  DATA_BLOB *token,
+                                                  off_t transfer_offset,
+                                                  struct files_struct *dest_fsp,
+                                                  off_t dest_off,
+                                                  off_t num);
+NTSTATUS smb_vfs_call_offload_write_recv(struct vfs_handle_struct *handle,
+                                        struct tevent_req *req,
+                                        off_t *copied);
+NTSTATUS smb_vfs_call_get_compression(struct vfs_handle_struct *handle,
+                                     TALLOC_CTX *mem_ctx,
+                                     struct files_struct *fsp,
+                                     struct smb_filename *smb_fname,
+                                     uint16_t *_compression_fmt);
+NTSTATUS smb_vfs_call_set_compression(struct vfs_handle_struct *handle,
+                                     TALLOC_CTX *mem_ctx,
+                                     struct files_struct *fsp,
+                                     uint16_t compression_fmt);
+NTSTATUS smb_vfs_call_snap_check_path(vfs_handle_struct *handle,
+                                     TALLOC_CTX *mem_ctx,
+                                     const char *service_path,
+                                     char **base_volume);
+NTSTATUS smb_vfs_call_snap_create(struct vfs_handle_struct *handle,
+                                 TALLOC_CTX *mem_ctx,
+                                 const char *base_volume,
+                                 time_t *tstamp,
+                                 bool rw,
+                                 char **base_path,
+                                 char **snap_path);
+NTSTATUS smb_vfs_call_snap_delete(struct vfs_handle_struct *handle,
+                                 TALLOC_CTX *mem_ctx,
+                                 char *base_path,
+                                 char *snap_path);
 NTSTATUS smb_vfs_call_fget_nt_acl(struct vfs_handle_struct *handle,
                                  struct files_struct *fsp,
-                                 uint32 security_info,
+                                 uint32_t security_info,
                                  TALLOC_CTX *mem_ctx,
                                  struct security_descriptor **ppdesc);
 NTSTATUS smb_vfs_call_get_nt_acl(struct vfs_handle_struct *handle,
-                                const char *name,
-                                uint32 security_info,
+                                const struct smb_filename *smb_fname,
+                                uint32_t security_info,
                                 TALLOC_CTX *mem_ctx,
                                 struct security_descriptor **ppdesc);
 NTSTATUS smb_vfs_call_fset_nt_acl(struct vfs_handle_struct *handle,
                                  struct files_struct *fsp,
-                                 uint32 security_info_sent,
+                                 uint32_t security_info_sent,
                                  const struct security_descriptor *psd);
 NTSTATUS smb_vfs_call_audit_file(struct vfs_handle_struct *handle,
                                 struct smb_filename *file,
                                 struct security_acl *sacl,
                                 uint32_t access_requested,
                                 uint32_t access_denied);
-int smb_vfs_call_chmod_acl(struct vfs_handle_struct *handle, const char *name,
-                          mode_t mode);
-int smb_vfs_call_fchmod_acl(struct vfs_handle_struct *handle,
-                           struct files_struct *fsp, mode_t mode);
+int smb_vfs_call_chmod_acl(struct vfs_handle_struct *handle,
+                               const struct smb_filename *file,
+                               mode_t mode);
 SMB_ACL_T smb_vfs_call_sys_acl_get_file(struct vfs_handle_struct *handle,
-                                       const char *path_p,
+                                       const struct smb_filename *smb_fname,
                                        SMB_ACL_TYPE_T type,
                                        TALLOC_CTX *mem_ctx);
 SMB_ACL_T smb_vfs_call_sys_acl_get_fd(struct vfs_handle_struct *handle,
                                      struct files_struct *fsp,
                                      TALLOC_CTX *mem_ctx);
 int smb_vfs_call_sys_acl_blob_get_file(struct vfs_handle_struct *handle,
-                                      const char *path_p,
+                                      const struct smb_filename *smb_fname,
                                       TALLOC_CTX *mem_ctx,
                                       char **blob_description,
                                       DATA_BLOB *blob);
@@ -1150,32 +1466,51 @@ int smb_vfs_call_sys_acl_blob_get_fd(struct vfs_handle_struct *handle,
                                     char **blob_description,
                                     DATA_BLOB *blob);
 int smb_vfs_call_sys_acl_set_file(struct vfs_handle_struct *handle,
-                                 const char *name, SMB_ACL_TYPE_T acltype,
-                                 SMB_ACL_T theacl);
+                               const struct smb_filename *smb_fname,
+                               SMB_ACL_TYPE_T acltype,
+                               SMB_ACL_T theacl);
 int smb_vfs_call_sys_acl_set_fd(struct vfs_handle_struct *handle,
                                struct files_struct *fsp, SMB_ACL_T theacl);
 int smb_vfs_call_sys_acl_delete_def_file(struct vfs_handle_struct *handle,
-                                        const char *path);
+                               const struct smb_filename *smb_fname);
 ssize_t smb_vfs_call_getxattr(struct vfs_handle_struct *handle,
-                             const char *path, const char *name, void *value,
-                             size_t size);
+                               const struct smb_filename *smb_fname,
+                               const char *name,
+                               void *value,
+                               size_t size);
+struct tevent_req *smb_vfs_call_getxattrat_send(
+                       TALLOC_CTX *mem_ctx,
+                       struct tevent_context *ev,
+                       struct vfs_handle_struct *handle,
+                       files_struct *dir_fsp,
+                       const struct smb_filename *smb_fname,
+                       const char *xattr_name,
+                       size_t alloc_hint);
+ssize_t smb_vfs_call_getxattrat_recv(struct tevent_req *req,
+                                    struct vfs_aio_state *aio_state,
+                                    TALLOC_CTX *mem_ctx,
+                                    uint8_t **xattr_value);
 ssize_t smb_vfs_call_fgetxattr(struct vfs_handle_struct *handle,
                               struct files_struct *fsp, const char *name,
                               void *value, size_t size);
 ssize_t smb_vfs_call_listxattr(struct vfs_handle_struct *handle,
-                              const char *path, char *list, size_t size);
-ssize_t smb_vfs_call_llistxattr(struct vfs_handle_struct *handle,
-                               const char *path, char *list, size_t size);
+                               const struct smb_filename *smb_fname,
+                               char *list,
+                               size_t size);
 ssize_t smb_vfs_call_flistxattr(struct vfs_handle_struct *handle,
                                struct files_struct *fsp, char *list,
                                size_t size);
 int smb_vfs_call_removexattr(struct vfs_handle_struct *handle,
-                            const char *path, const char *name);
+                               const struct smb_filename *smb_fname,
+                               const char *name);
 int smb_vfs_call_fremovexattr(struct vfs_handle_struct *handle,
                              struct files_struct *fsp, const char *name);
-int smb_vfs_call_setxattr(struct vfs_handle_struct *handle, const char *path,
-                         const char *name, const void *value, size_t size,
-                         int flags);
+int smb_vfs_call_setxattr(struct vfs_handle_struct *handle,
+                               const struct smb_filename *smb_fname,
+                               const char *name,
+                               const void *value,
+                               size_t size,
+                               int flags);
 int smb_vfs_call_lsetxattr(struct vfs_handle_struct *handle, const char *path,
                           const char *name, const void *value, size_t size,
                           int flags);
@@ -1184,11 +1519,6 @@ int smb_vfs_call_fsetxattr(struct vfs_handle_struct *handle,
                           const void *value, size_t size, int flags);
 bool smb_vfs_call_aio_force(struct vfs_handle_struct *handle,
                            struct files_struct *fsp);
-bool smb_vfs_call_is_offline(struct vfs_handle_struct *handle,
-                            const struct smb_filename *fname,
-                            SMB_STRUCT_STAT *sbuf);
-int smb_vfs_call_set_offline(struct vfs_handle_struct *handle,
-                            const struct smb_filename *fname);
 NTSTATUS smb_vfs_call_durable_cookie(struct vfs_handle_struct *handle,
                                     struct files_struct *fsp,
                                     TALLOC_CTX *mem_ctx,
@@ -1205,6 +1535,10 @@ NTSTATUS smb_vfs_call_durable_reconnect(struct vfs_handle_struct *handle,
                                        TALLOC_CTX *mem_ctx,
                                        struct files_struct **fsp,
                                        DATA_BLOB *new_cookie);
+NTSTATUS smb_vfs_call_readdir_attr(struct vfs_handle_struct *handle,
+                                  const struct smb_filename *fname,
+                                  TALLOC_CTX *mem_ctx,
+                                  struct readdir_attr_data **attr_data);
 
 NTSTATUS smb_register_vfs(int version, const char *name,
                          const struct vfs_fn_pointers *fns);
@@ -1216,4 +1550,420 @@ void vfs_remove_all_fsp_extensions(struct files_struct *fsp);
 void *vfs_memctx_fsp_extension(vfs_handle_struct *handle, files_struct *fsp);
 void *vfs_fetch_fsp_extension(vfs_handle_struct *handle, files_struct *fsp);
 
+void smb_vfs_assert_all_fns(const struct vfs_fn_pointers* fns,
+                           const char *module);
+
+/*
+ * Notice the "Design of the smb_vfs_ev_glue infrastructure"
+ * comment in source3/smbd/vfs.c!
+ *
+ * This explains smb_vfs_ev_glue infrastructure in detail.
+ */
+struct tevent_context *smb_vfs_ev_glue_ev_ctx(const struct smb_vfs_ev_glue *evg);
+struct pthreadpool_tevent *smb_vfs_ev_glue_tp_fd_safe(const struct smb_vfs_ev_glue *evg);
+struct pthreadpool_tevent *smb_vfs_ev_glue_tp_path_safe(const struct smb_vfs_ev_glue *evg);
+struct pthreadpool_tevent *smb_vfs_ev_glue_tp_chdir_safe(const struct smb_vfs_ev_glue *evg);
+const struct smb_vfs_ev_glue *smb_vfs_ev_glue_get_root_glue(const struct smb_vfs_ev_glue *evg);
+struct smb_vfs_ev_glue *smb_vfs_ev_glue_create(TALLOC_CTX *mem_ctx,
+                               struct tevent_context *user_ev,
+                               struct pthreadpool_tevent *user_tp_fd_safe,
+                               struct pthreadpool_tevent *user_tp_path_safe,
+                               struct pthreadpool_tevent *user_tp_chdir_safe,
+                               struct tevent_context *root_ev,
+                               struct pthreadpool_tevent *root_tp_fd_safe,
+                               struct pthreadpool_tevent *root_tp_path_safe,
+                               struct pthreadpool_tevent *root_tp_chdir_safe);
+struct smb_vfs_ev_glue *smb_vfs_ev_glue_create_switch(
+                       TALLOC_CTX *mem_ctx,
+                       const struct smb_vfs_ev_glue *return_evg,
+                       const struct smb_vfs_ev_glue *run_evg);
+
+/*
+ * Helper functions from source3/modules/vfs_not_implemented.c
+ */
+int vfs_not_implemented_connect(
+                       vfs_handle_struct *handle,
+                       const char *service,
+                       const char *user);
+void vfs_not_implemented_disconnect(vfs_handle_struct *handle);
+uint64_t vfs_not_implemented_disk_free(vfs_handle_struct *handle,
+                               const struct smb_filename *smb_fname,
+                               uint64_t *bsize,
+                               uint64_t *dfree,
+                               uint64_t *dsize);
+int vfs_not_implemented_get_quota(vfs_handle_struct *handle,
+                               const struct smb_filename *smb_fname,
+                               enum SMB_QUOTA_TYPE qtype,
+                               unid_t id,
+                               SMB_DISK_QUOTA *dq);
+int vfs_not_implemented_set_quota(vfs_handle_struct *handle,
+                                 enum SMB_QUOTA_TYPE qtype,
+                                 unid_t id, SMB_DISK_QUOTA *dq);
+int vfs_not_implemented_get_shadow_copy_data(vfs_handle_struct *handle,
+                               files_struct *fsp,
+                               struct shadow_copy_data *shadow_copy_data,
+                               bool labels);
+int vfs_not_implemented_statvfs(struct vfs_handle_struct *handle,
+                               const struct smb_filename *smb_fname,
+                               struct vfs_statvfs_struct *statbuf);
+uint32_t vfs_not_implemented_fs_capabilities(struct vfs_handle_struct *handle,
+                               enum timestamp_set_resolution *p_ts_res);
+NTSTATUS vfs_not_implemented_get_dfs_referrals(struct vfs_handle_struct *handle,
+                                              struct dfs_GetDFSReferral *r);
+DIR *vfs_not_implemented_opendir(vfs_handle_struct *handle,
+                       const struct smb_filename *smb_fname,
+                       const char *mask,
+                       uint32_t attr);
+NTSTATUS vfs_not_implemented_snap_check_path(struct vfs_handle_struct *handle,
+                               TALLOC_CTX *mem_ctx,
+                               const char *service_path,
+                               char **base_volume);
+NTSTATUS vfs_not_implemented_snap_create(struct vfs_handle_struct *handle,
+                                        TALLOC_CTX *mem_ctx,
+                                        const char *base_volume,
+                                        time_t *tstamp,
+                                        bool rw,
+                                        char **base_path,
+                                        char **snap_path);
+NTSTATUS vfs_not_implemented_snap_delete(struct vfs_handle_struct *handle,
+                                        TALLOC_CTX *mem_ctx,
+                                        char *base_path,
+                                        char *snap_path);
+DIR *vfs_not_implemented_fdopendir(vfs_handle_struct *handle, files_struct *fsp,
+                                  const char *mask, uint32_t attr);
+struct dirent *vfs_not_implemented_readdir(vfs_handle_struct *handle,
+                                          DIR *dirp, SMB_STRUCT_STAT *sbuf);
+void vfs_not_implemented_seekdir(vfs_handle_struct *handle, DIR *dirp, long offset);
+long vfs_not_implemented_telldir(vfs_handle_struct *handle, DIR *dirp);
+void vfs_not_implemented_rewind_dir(vfs_handle_struct *handle, DIR *dirp);
+int vfs_not_implemented_mkdir(vfs_handle_struct *handle,
+               const struct smb_filename *smb_fname,
+               mode_t mode);
+int vfs_not_implemented_rmdir(vfs_handle_struct *handle,
+               const struct smb_filename *smb_fname);
+int vfs_not_implemented_closedir(vfs_handle_struct *handle, DIR *dir);
+int vfs_not_implemented_open(vfs_handle_struct *handle,
+                            struct smb_filename *smb_fname,
+                            files_struct *fsp, int flags, mode_t mode);
+NTSTATUS vfs_not_implemented_create_file(struct vfs_handle_struct *handle,
+                               struct smb_request *req,
+                               uint16_t root_dir_fid,
+                               struct smb_filename *smb_fname,
+                               uint32_t access_mask,
+                               uint32_t share_access,
+                               uint32_t create_disposition,
+                               uint32_t create_options,
+                               uint32_t file_attributes,
+                               uint32_t oplock_request,
+                               struct smb2_lease *lease,
+                               uint64_t allocation_size,
+                               uint32_t private_flags,
+                               struct security_descriptor *sd,
+                               struct ea_list *ea_list,
+                               files_struct **result, int *pinfo,
+                               const struct smb2_create_blobs *in_context_blobs,
+                               struct smb2_create_blobs *out_context_blobs);
+int vfs_not_implemented_close_fn(vfs_handle_struct *handle, files_struct *fsp);
+ssize_t vfs_not_implemented_pread(vfs_handle_struct *handle, files_struct *fsp,
+                                 void *data, size_t n, off_t offset);
+struct tevent_req *vfs_not_implemented_pread_send(struct vfs_handle_struct *handle,
+                                                 TALLOC_CTX *mem_ctx,
+                                                 struct tevent_context *ev,
+                                                 struct files_struct *fsp,
+                                                 void *data, size_t n, off_t offset);
+ssize_t vfs_not_implemented_pread_recv(struct tevent_req *req,
+                                      struct vfs_aio_state *vfs_aio_state);
+ssize_t vfs_not_implemented_pwrite(vfs_handle_struct *handle, files_struct *fsp,
+                                  const void *data, size_t n, off_t offset);
+struct tevent_req *vfs_not_implemented_pwrite_send(struct vfs_handle_struct *handle,
+                                                  TALLOC_CTX *mem_ctx,
+                                                  struct tevent_context *ev,
+                                                  struct files_struct *fsp,
+                                                  const void *data,
+                                                  size_t n, off_t offset);
+ssize_t vfs_not_implemented_pwrite_recv(struct tevent_req *req,
+                               struct vfs_aio_state *vfs_aio_state);
+off_t vfs_not_implemented_lseek(vfs_handle_struct *handle, files_struct *fsp,
+                       off_t offset, int whence);
+ssize_t vfs_not_implemented_sendfile(vfs_handle_struct *handle, int tofd,
+                                    files_struct *fromfsp, const DATA_BLOB *hdr,
+                                    off_t offset, size_t n);
+ssize_t vfs_not_implemented_recvfile(vfs_handle_struct *handle, int fromfd,
+                                    files_struct *tofsp, off_t offset, size_t n);
+int vfs_not_implemented_rename(vfs_handle_struct *handle,
+                              const struct smb_filename *smb_fname_src,
+                              const struct smb_filename *smb_fname_dst);
+struct tevent_req *vfs_not_implemented_fsync_send(struct vfs_handle_struct *handle,
+                                                 TALLOC_CTX *mem_ctx,
+                                                 struct tevent_context *ev,
+                                                 struct files_struct *fsp);
+int vfs_not_implemented_fsync_recv(struct tevent_req *req,
+                                  struct vfs_aio_state *vfs_aio_state);
+int vfs_not_implemented_stat(vfs_handle_struct *handle, struct smb_filename *smb_fname);
+int vfs_not_implemented_fstat(vfs_handle_struct *handle, files_struct *fsp,
+                       SMB_STRUCT_STAT *sbuf);
+int vfs_not_implemented_lstat(vfs_handle_struct *handle,
+                             struct smb_filename *smb_fname);
+uint64_t vfs_not_implemented_get_alloc_size(struct vfs_handle_struct *handle,
+                                           struct files_struct *fsp,
+                                           const SMB_STRUCT_STAT *sbuf);
+int vfs_not_implemented_unlink(vfs_handle_struct *handle,
+                              const struct smb_filename *smb_fname);
+int vfs_not_implemented_chmod(vfs_handle_struct *handle,
+                             const struct smb_filename *smb_fname,
+                             mode_t mode);
+int vfs_not_implemented_fchmod(vfs_handle_struct *handle, files_struct *fsp,
+                              mode_t mode);
+int vfs_not_implemented_chown(vfs_handle_struct *handle,
+                             const struct smb_filename *smb_fname,
+                             uid_t uid,
+                             gid_t gid);
+int vfs_not_implemented_fchown(vfs_handle_struct *handle, files_struct *fsp,
+                              uid_t uid, gid_t gid);
+int vfs_not_implemented_lchown(vfs_handle_struct *handle,
+                              const struct smb_filename *smb_fname,
+                              uid_t uid,
+                              gid_t gid);
+int vfs_not_implemented_chdir(vfs_handle_struct *handle,
+                             const struct smb_filename *smb_fname);
+struct smb_filename *vfs_not_implemented_getwd(vfs_handle_struct *handle,
+                                              TALLOC_CTX *ctx);
+int vfs_not_implemented_ntimes(vfs_handle_struct *handle,
+                              const struct smb_filename *smb_fname,
+                              struct smb_file_time *ft);
+int vfs_not_implemented_ftruncate(vfs_handle_struct *handle, files_struct *fsp,
+                                 off_t offset);
+int vfs_not_implemented_fallocate(vfs_handle_struct *handle, files_struct *fsp,
+                                 uint32_t mode, off_t offset, off_t len);
+bool vfs_not_implemented_lock(vfs_handle_struct *handle, files_struct *fsp, int op,
+                             off_t offset, off_t count, int type);
+int vfs_not_implemented_kernel_flock(struct vfs_handle_struct *handle,
+                                    struct files_struct *fsp,
+                                    uint32_t share_mode, uint32_t access_mask);
+int vfs_not_implemented_linux_setlease(struct vfs_handle_struct *handle,
+                                      struct files_struct *fsp, int leasetype);
+bool vfs_not_implemented_getlock(vfs_handle_struct *handle, files_struct *fsp,
+                                off_t *poffset, off_t *pcount, int *ptype,
+                                pid_t *ppid);
+int vfs_not_implemented_symlink(vfs_handle_struct *handle,
+                               const char *link_contents,
+                               const struct smb_filename *new_smb_fname);
+int vfs_not_implemented_vfs_readlink(vfs_handle_struct *handle,
+                                    const struct smb_filename *smb_fname,
+                                    char *buf,
+                                    size_t bufsiz);
+int vfs_not_implemented_link(vfs_handle_struct *handle,
+                            const struct smb_filename *old_smb_fname,
+                            const struct smb_filename *new_smb_fname);
+int vfs_not_implemented_mknod(vfs_handle_struct *handle,
+                             const struct smb_filename *smb_fname,
+                             mode_t mode,
+                             SMB_DEV_T dev);
+struct smb_filename *vfs_not_implemented_realpath(vfs_handle_struct *handle,
+                                                 TALLOC_CTX *ctx,
+                                                 const struct smb_filename *smb_fname);
+int vfs_not_implemented_chflags(vfs_handle_struct *handle,
+                               const struct smb_filename *smb_fname,
+                               uint flags);
+struct file_id vfs_not_implemented_file_id_create(vfs_handle_struct *handle,
+                                                 const SMB_STRUCT_STAT *sbuf);
+struct tevent_req *vfs_not_implemented_offload_read_send(
+                       TALLOC_CTX *mem_ctx,
+                       struct tevent_context *ev,
+                       struct vfs_handle_struct *handle,
+                       struct files_struct *fsp,
+                       uint32_t fsctl,
+                       uint32_t ttl,
+                       off_t offset,
+                       size_t to_copy);
+NTSTATUS vfs_not_implemented_offload_read_recv(struct tevent_req *req,
+                                      struct vfs_handle_struct *handle,
+                                      TALLOC_CTX *mem_ctx,
+                                      DATA_BLOB *_token_blob);
+struct tevent_req *vfs_not_implemented_offload_write_send(
+                       struct vfs_handle_struct *handle,
+                       TALLOC_CTX *mem_ctx,
+                       struct tevent_context *ev,
+                       uint32_t fsctl,
+                       DATA_BLOB *token,
+                       off_t transfer_offset,
+                       struct files_struct *dest_fsp,
+                       off_t dest_off,
+                       off_t num);
+NTSTATUS vfs_not_implemented_offload_write_recv(struct vfs_handle_struct *handle,
+                                               struct tevent_req *req,
+                                               off_t *copied);
+NTSTATUS vfs_not_implemented_get_compression(struct vfs_handle_struct *handle,
+                                            TALLOC_CTX *mem_ctx,
+                                            struct files_struct *fsp,
+                                            struct smb_filename *smb_fname,
+                                            uint16_t *_compression_fmt);
+NTSTATUS vfs_not_implemented_set_compression(struct vfs_handle_struct *handle,
+                                            TALLOC_CTX *mem_ctx,
+                                            struct files_struct *fsp,
+                                            uint16_t compression_fmt);
+NTSTATUS vfs_not_implemented_streaminfo(struct vfs_handle_struct *handle,
+                                       struct files_struct *fsp,
+                                       const struct smb_filename *smb_fname,
+                                       TALLOC_CTX *mem_ctx,
+                                       unsigned int *num_streams,
+                                       struct stream_struct **streams);
+int vfs_not_implemented_get_real_filename(struct vfs_handle_struct *handle,
+                                         const char *path,
+                                         const char *name,
+                                         TALLOC_CTX *mem_ctx,
+                                         char **found_name);
+const char *vfs_not_implemented_connectpath(struct vfs_handle_struct *handle,
+                                           const struct smb_filename *smb_fname);
+NTSTATUS vfs_not_implemented_brl_lock_windows(struct vfs_handle_struct *handle,
+                                             struct byte_range_lock *br_lck,
+                                             struct lock_struct *plock,
+                                             bool blocking_lock);
+bool vfs_not_implemented_brl_unlock_windows(struct vfs_handle_struct *handle,
+                                           struct messaging_context *msg_ctx,
+                                           struct byte_range_lock *br_lck,
+                                           const struct lock_struct *plock);
+bool vfs_not_implemented_brl_cancel_windows(struct vfs_handle_struct *handle,
+                                           struct byte_range_lock *br_lck,
+                                           struct lock_struct *plock);
+bool vfs_not_implemented_strict_lock_check(struct vfs_handle_struct *handle,
+                                          struct files_struct *fsp,
+                                          struct lock_struct *plock);
+NTSTATUS vfs_not_implemented_translate_name(struct vfs_handle_struct *handle,
+                                           const char *mapped_name,
+                                           enum vfs_translate_direction direction,
+                                           TALLOC_CTX *mem_ctx, char **pmapped_name);
+NTSTATUS vfs_not_implemented_fsctl(struct vfs_handle_struct *handle,
+                                  struct files_struct *fsp,
+                                  TALLOC_CTX *ctx,
+                                  uint32_t function,
+                                  uint16_t req_flags,  /* Needed for UNICODE ... */
+                                  const uint8_t *_in_data,
+                                  uint32_t in_len,
+                                  uint8_t **_out_data,
+                                  uint32_t max_out_len, uint32_t *out_len);
+NTSTATUS vfs_not_implemented_readdir_attr(struct vfs_handle_struct *handle,
+                                         const struct smb_filename *fname,
+                                         TALLOC_CTX *mem_ctx,
+                                         struct readdir_attr_data **pattr_data);
+NTSTATUS vfs_not_implemented_get_dos_attributes(struct vfs_handle_struct *handle,
+                                               struct smb_filename *smb_fname,
+                                               uint32_t *dosmode);
+struct tevent_req *vfs_not_implemented_get_dos_attributes_send(
+                       TALLOC_CTX *mem_ctx,
+                       struct tevent_context *ev,
+                       struct vfs_handle_struct *handle,
+                       files_struct *dir_fsp,
+                       struct smb_filename *smb_fname);
+NTSTATUS vfs_not_implemented_get_dos_attributes_recv(
+                       struct tevent_req *req,
+                       struct vfs_aio_state *aio_state,
+                       uint32_t *dosmode);
+NTSTATUS vfs_not_implemented_fget_dos_attributes(struct vfs_handle_struct *handle,
+                                                struct files_struct *fsp,
+                                                uint32_t *dosmode);
+NTSTATUS vfs_not_implemented_set_dos_attributes(struct vfs_handle_struct *handle,
+                                               const struct smb_filename *smb_fname,
+                                               uint32_t dosmode);
+NTSTATUS vfs_not_implemented_fset_dos_attributes(struct vfs_handle_struct *handle,
+                                                struct files_struct *fsp,
+                                                uint32_t dosmode);
+NTSTATUS vfs_not_implemented_fget_nt_acl(vfs_handle_struct *handle, files_struct *fsp,
+                                        uint32_t security_info,
+                                        TALLOC_CTX *mem_ctx,
+                                        struct security_descriptor **ppdesc);
+NTSTATUS vfs_not_implemented_get_nt_acl(vfs_handle_struct *handle,
+                                       const struct smb_filename *smb_fname,
+                                       uint32_t security_info,
+                                       TALLOC_CTX *mem_ctx,
+                                       struct security_descriptor **ppdesc);
+NTSTATUS vfs_not_implemented_fset_nt_acl(vfs_handle_struct *handle, files_struct *fsp,
+                                        uint32_t security_info_sent,
+                                        const struct security_descriptor *psd);
+SMB_ACL_T vfs_not_implemented_sys_acl_get_file(vfs_handle_struct *handle,
+                                              const struct smb_filename *smb_fname,
+                                              SMB_ACL_TYPE_T type,
+                                              TALLOC_CTX *mem_ctx);
+SMB_ACL_T vfs_not_implemented_sys_acl_get_fd(vfs_handle_struct *handle,
+                                            files_struct *fsp, TALLOC_CTX *mem_ctx);
+int vfs_not_implemented_sys_acl_blob_get_file(vfs_handle_struct *handle,
+                               const struct smb_filename *smb_fname,
+                               TALLOC_CTX *mem_ctx,
+                               char **blob_description,
+                               DATA_BLOB *blob);
+int vfs_not_implemented_sys_acl_blob_get_fd(vfs_handle_struct *handle,
+                               files_struct *fsp, TALLOC_CTX *mem_ctx,
+                               char **blob_description, DATA_BLOB *blob);
+int vfs_not_implemented_sys_acl_set_file(vfs_handle_struct *handle,
+                               const struct smb_filename *smb_fname,
+                               SMB_ACL_TYPE_T acltype,
+                               SMB_ACL_T theacl);
+int vfs_not_implemented_sys_acl_set_fd(vfs_handle_struct *handle, files_struct *fsp,
+                                      SMB_ACL_T theacl);
+int vfs_not_implemented_sys_acl_delete_def_file(vfs_handle_struct *handle,
+                                       const struct smb_filename *smb_fname);
+ssize_t vfs_not_implemented_getxattr(vfs_handle_struct *handle,
+                               const struct smb_filename *smb_fname,
+                               const char *name,
+                               void *value,
+                               size_t size);
+struct tevent_req *vfs_not_implemented_getxattrat_send(
+                       TALLOC_CTX *mem_ctx,
+                       struct tevent_context *ev,
+                       struct vfs_handle_struct *handle,
+                       files_struct *dir_fsp,
+                       const struct smb_filename *smb_fname,
+                       const char *xattr_name,
+                       size_t alloc_hint);
+ssize_t vfs_not_implemented_getxattrat_recv(struct tevent_req *req,
+                                   struct vfs_aio_state *aio_state,
+                                   TALLOC_CTX *mem_ctx,
+                                   uint8_t **xattr_value);
+ssize_t vfs_not_implemented_fgetxattr(vfs_handle_struct *handle,
+                             struct files_struct *fsp, const char *name,
+                             void *value, size_t size);
+ssize_t vfs_not_implemented_listxattr(vfs_handle_struct *handle,
+                                     const struct smb_filename *smb_fname,
+                                     char *list,
+                                     size_t size);
+ssize_t vfs_not_implemented_flistxattr(vfs_handle_struct *handle,
+                                      struct files_struct *fsp, char *list,
+                                      size_t size);
+int vfs_not_implemented_removexattr(vfs_handle_struct *handle,
+                                   const struct smb_filename *smb_fname,
+                                   const char *name);
+int vfs_not_implemented_fremovexattr(vfs_handle_struct *handle,
+                                    struct files_struct *fsp, const char *name);
+int vfs_not_implemented_setxattr(vfs_handle_struct *handle,
+                                const struct smb_filename *smb_fname,
+                                const char *name,
+                                const void *value,
+                                size_t size,
+                                int flags);
+int vfs_not_implemented_fsetxattr(vfs_handle_struct *handle, struct files_struct *fsp,
+                                 const char *name, const void *value, size_t size,
+                                 int flags);
+bool vfs_not_implemented_aio_force(struct vfs_handle_struct *handle,
+                                  struct files_struct *fsp);
+NTSTATUS vfs_not_implemented_audit_file(struct vfs_handle_struct *handle,
+                                       struct smb_filename *file,
+                                       struct security_acl *sacl,
+                                       uint32_t access_requested,
+                                       uint32_t access_denied);
+NTSTATUS vfs_not_implemented_durable_cookie(struct vfs_handle_struct *handle,
+                                           struct files_struct *fsp,
+                                           TALLOC_CTX *mem_ctx,
+                                           DATA_BLOB *cookie);
+NTSTATUS vfs_not_implemented_durable_disconnect(struct vfs_handle_struct *handle,
+                                               struct files_struct *fsp,
+                                               const DATA_BLOB old_cookie,
+                                               TALLOC_CTX *mem_ctx,
+                                               DATA_BLOB *new_cookie);
+NTSTATUS vfs_not_implemented_durable_reconnect(struct vfs_handle_struct *handle,
+                                              struct smb_request *smb1req,
+                                              struct smbXsrv_open *op,
+                                              const DATA_BLOB old_cookie,
+                                              TALLOC_CTX *mem_ctx,
+                                              struct files_struct **fsp,
+                                              DATA_BLOB *new_cookie);
 #endif /* _VFS_H */