Revert "s3: vfs: add user_vfs_evg to connection_struct"
[samba.git] / source3 / include / vfs.h
index a849443f023833dc6ca3571a3aeb2e35b5a812d5..6516869b24e2d598db1848d192989e1c3ad040b6 100644 (file)
                const struct smb_filename * */
 /* Version 35 - Add uint32_t flags to struct smb_filename */
 /* Version 35 - Add get/set/fget/fset dos attribute functions. */
-
-#define SMB_VFS_INTERFACE_VERSION 35
+/* 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
@@ -214,6 +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;
@@ -286,7 +358,7 @@ typedef struct files_struct {
        bool is_sparse;
        bool backup_intent; /* Handle was successfully opened with backup intent
                                and opener has privilege to do so. */
-       bool aapl_copyfile_supported;
+       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. */
@@ -335,6 +407,7 @@ typedef struct files_struct {
 
 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;
@@ -350,14 +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;
 };
@@ -380,7 +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 */
 
@@ -389,6 +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
@@ -420,7 +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;
@@ -457,6 +523,8 @@ struct smb_request {
 
        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;
@@ -561,14 +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, uint64_t *bsize,
-                             uint64_t *dfree, uint64_t *dsize);
-       int (*get_quota_fn)(struct vfs_handle_struct *handle, const char *path,
-                           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);
 
        /*
@@ -597,7 +672,6 @@ struct vfs_fn_pointers {
        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 */
 
@@ -624,7 +698,6 @@ struct vfs_fn_pointers {
                                   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,
@@ -633,7 +706,6 @@ struct vfs_fn_pointers {
                                            void *data,
                                            size_t n, off_t offset);
        ssize_t (*pread_recv_fn)(struct tevent_req *req, struct vfs_aio_state *state);
-       ssize_t (*write_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, const void *data, size_t n);
        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,
@@ -648,7 +720,6 @@ struct vfs_fn_pointers {
        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,
@@ -673,8 +744,10 @@ struct vfs_fn_pointers {
                        const struct smb_filename *smb_fname,
                        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 (*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);
@@ -689,25 +762,52 @@ struct vfs_fn_pointers {
                               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);
-       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,
@@ -747,7 +847,7 @@ 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,
@@ -763,13 +863,9 @@ struct vfs_fn_pointers {
                                      struct byte_range_lock *br_lck,
                                      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,
@@ -804,6 +900,18 @@ struct vfs_fn_pointers {
                                           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,
@@ -829,50 +937,68 @@ struct vfs_fn_pointers {
 
        /* POSIX ACL operations. */
 
-       int (*chmod_acl_fn)(struct vfs_handle_struct *handle,
-                                       const struct smb_filename *smb_fname,
-                                       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,
@@ -947,7 +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) \
@@ -1000,11 +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, uint64_t *bsize,
-                               uint64_t *dfree, uint64_t *dsize);
-int smb_vfs_call_get_quota(struct vfs_handle_struct *handle, const char *path,
-                          enum SMB_QUOTA_TYPE qtype, unid_t id,
-                          SMB_DISK_QUOTA *qt);
+                               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,
+                               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);
@@ -1012,8 +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);
 /*
@@ -1045,8 +1176,6 @@ 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);
@@ -1071,8 +1200,6 @@ NTSTATUS smb_vfs_call_create_file(struct vfs_handle_struct *handle,
                                  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);
@@ -1084,9 +1211,6 @@ struct tevent_req *smb_vfs_call_pread_send(struct vfs_handle_struct *handle,
                                           size_t n, off_t offset);
 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);
@@ -1110,8 +1234,6 @@ 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,
@@ -1119,6 +1241,7 @@ struct tevent_req *smb_vfs_call_fsync_send(struct vfs_handle_struct *handle,
                                           struct files_struct *fsp);
 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,
@@ -1145,8 +1268,10 @@ 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 char *path);
-char *smb_vfs_call_getwd(struct vfs_handle_struct *handle);
+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);
@@ -1168,17 +1293,26 @@ int smb_vfs_call_linux_setlease(struct vfs_handle_struct *handle,
 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);
-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,
@@ -1191,7 +1325,7 @@ 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,
@@ -1203,12 +1337,9 @@ bool smb_vfs_call_brl_unlock_windows(struct vfs_handle_struct *handle,
 bool smb_vfs_call_brl_cancel_windows(struct vfs_handle_struct *handle,
                                     struct byte_range_lock *br_lck,
                                     struct lock_struct *plock);
-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);
+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,
@@ -1236,17 +1367,41 @@ NTSTATUS smb_vfs_call_set_dos_attributes(struct vfs_handle_struct *handle,
 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_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);
+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,
@@ -1293,17 +1448,15 @@ NTSTATUS smb_vfs_call_audit_file(struct vfs_handle_struct *handle,
 int smb_vfs_call_chmod_acl(struct vfs_handle_struct *handle,
                                const struct smb_filename *file,
                                mode_t mode);
-int smb_vfs_call_fchmod_acl(struct vfs_handle_struct *handle,
-                           struct files_struct *fsp, 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);
@@ -1313,32 +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);
@@ -1347,11 +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,
@@ -1386,4 +1553,417 @@ 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 */