Change all uses of uint32 to uint32_t in vfs.h. This is part of a general cleanup...
[bbaumbach/samba-autobuild/.git] / source3 / include / vfs.h
index 45193d2b5492cbd5a1ead13f8dfb4f858cbfa304..aa1a880e553fe6067ba0478a0669867552261162 100644 (file)
@@ -6,17 +6,17 @@
    Copyright (C) Alexander Bokovoy                     2002-2005
    Copyright (C) Stefan (metze) Metzmacher             2003
    Copyright (C) Volker Lendecke                       2009
-   
+
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 3 of the License, or
    (at your option) any later version.
-   
+
    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.
-   
+
    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 /* Leave at 28 - not yet released. Rename posix_fallocate to fallocate
                to split out the two possible uses. JRA. */
 /* Leave at 28 - not yet released. Add fdopendir. JRA. */
-#define SMB_VFS_INTERFACE_VERSION 28
+/* Leave at 28 - not yet released. Rename open function to open_fn. - gd */
+/* Leave at 28 - not yet released. Make getwd function always return malloced memory. JRA. */
+/* Bump to version 29 - Samba 3.6.0 will ship with interface version 28. */
+/* Leave at 29 - not yet releases. Add fsctl. Richard Sharpe */
+/* Leave at 29 - not yet released. add SMB_VFS_GET_DFS_REFERRAL() - metze */
+/* Leave at 29 - not yet released. Remove l{list,get,set,remove}xattr - abartlet */
+/* Leave at 29 - not yet released. move to plain off_t - abartlet */
+/* Leave at 29 - not yet released. Remove sys_acl functions other than set and get - abartlet */
+/* Leave at 29 - not yet released. Added backup_intent bool to files_struct - JRA */
+/* Leave at 29 - not yet released. Add durable handle functions - metze/obnox */
+/* Leave at 29 - not yet released. Added sys_acl_blob_get_file and sys_acl_blob_get_fd */
+/* Bump to version 30 - Samba 4.0.0 will ship with interface version 30 */
+/* Leave at 30 - not yet released. Added conn->cwd to save vfs_GetWd() calls. */
+/* Leave at 30 - not yet released. Changed sys_acl_blob_get_file interface to remove type */
+/* Bump to version 31 - Samba 4.1.0 will ship with interface version 31 */
+/* Leave at 31 - not yet released. Make struct vuid_cache_entry in
+               connection_struct a pointer. */
+/* Leave at 31 - not yet released. Add share_access to vuid_cache_entry. */
+/* 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 */
+/* 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 */
 
-/* to bug old modules which are trying to compile with the old functions */
-#define vfs_init __ERROR_please_port_this_module_to_SMB_VFS_INTERFACE_VERSION_8_donot_use_vfs_init_anymore(void) { __ERROR_please_port_this_module_to_SMB_VFS_INTERFACE_VERSION_8_donot_use_vfs_init_anymore };
-#define lp_parm_string __ERROR_please_port_lp_parm_string_to_lp_parm_const_string_or_lp_parm_talloc_string { \
-  __ERROR_please_port_lp_parm_string_to_lp_parm_const_string_or_lp_parm_talloc_string };
-#define lp_vfs_options __ERROR_please_donot_use_lp_vfs_options_anymore_use_lp_parm_xxxx_functions_instead { \
-  __ERROR_please_donot_use_lp_vfs_options_anymore_use_lp_parm_xxxx_functions_instead };
+#define SMB_VFS_INTERFACE_VERSION 33
 
 /*
     All intercepted VFS operations must be declared as static functions inside module source
@@ -161,8 +186,301 @@ struct ea_list;
 struct smb_file_time;
 struct blocking_lock_record;
 struct smb_filename;
+struct dfs_GetDFSReferral;
+
+typedef union unid_t {
+       uid_t uid;
+       gid_t gid;
+} unid_t;
+
+struct fd_handle {
+       size_t ref_count;
+       int fd;
+       uint64_t position_information;
+       off_t pos;
+       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
+                                * for print files *only*, where
+                                * DELETE_ON_CLOSE is not stored in the share
+                                * mode database.
+                                */
+       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;
+       struct smbXsrv_open *op;
+       struct connection_struct *conn;
+       struct fd_handle *fh;
+       unsigned int num_smb_operations;
+       struct file_id file_id;
+       uint64_t initial_allocation_size; /* Faked up initial allocation on disk. */
+       uint16_t file_pid;
+       uint64_t vuid; /* SMB2 compat */
+       struct write_cache *wcp;
+       struct timeval open_time;
+       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 update_write_time_triggered;
+       struct tevent_timer *update_write_time_event;
+       bool update_write_time_on_close;
+       struct timespec close_write_time;
+       bool write_time_forced;
+
+       int oplock_type;
+       struct fsp_lease *lease; /* Not yet used. Placeholder for leases. */
+       int sent_oplock_break;
+       struct tevent_timer *oplock_timeout;
+       struct lock_struct last_lock_failure;
+       int current_lock_count; /* Count the number of outstanding locks and pending locks. */
+
+       bool can_lock;
+       bool can_read;
+       bool can_write;
+       bool modified;
+       bool is_directory;
+       bool aio_write_behind;
+       bool initial_delete_on_close; /* Only set at NTCreateX if file was created. */
+       bool delete_on_close;
+       bool posix_open;
+       bool is_sparse;
+       bool backup_intent; /* Handle was successfully opened with backup intent
+                               and opener has privilege to do so. */
+       struct smb_filename *fsp_name;
+       uint32_t name_hash;             /* Jenkins hash of full pathname. */
+       uint64_t mid;                   /* Mid of the operation that created us. */
+
+       struct vfs_fsp_data *vfs_extension;
+       struct fake_file_handle *fake_file_handle;
+
+       struct notify_change_buf *notify;
+
+       struct files_struct *base_fsp; /* placeholder for delete on close */
+
+       /*
+        * Read-only cached brlock record, thrown away when the
+        * brlock.tdb seqnum changes. This avoids fetching data from
+        * the brlock.tdb on every read/write call.
+        */
+       int brlock_seqnum;
+       struct byte_range_lock *brlock_rec;
+
+       struct dptr_struct *dptr;
+
+       /* if not NULL, means this is a print file */
+       struct print_file_data *print_file;
+
+       unsigned num_aio_requests;
+       struct tevent_req **aio_requests;
+
+       /*
+        * If a close request comes in while we still have aio_requests
+        * around, we need to hold back the close. When all aio_requests are
+        * done, the aio completion routines need tevent_wait_done() on
+        * this. A bit ugly, but before we have close_file() fully async
+        * possibly the simplest approach. Thanks, Jeremy for the idea.
+        */
+       struct tevent_req *deferred_close;
+} files_struct;
+
+struct vuid_cache_entry {
+       struct auth_session_info *session_info;
+       uint64_t vuid; /* SMB2 compat */
+       bool read_only;
+       uint32_t share_access;
+};
+
+struct vuid_cache {
+       unsigned int next_entry;
+       struct vuid_cache_entry array[VUID_CACHE_SIZE];
+};
+
+typedef struct {
+       char *name;
+       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;
+};
+
+typedef struct connection_struct {
+       struct connection_struct *next, *prev;
+       struct smbd_server_connection *sconn; /* can be NULL */
+       struct smbXsrv_tcon *tcon; /* can be NULL */
+       uint32_t cnum; /* an index passed over the wire */
+       struct share_params *params;
+       bool force_user;
+       struct vuid_cache *vuid_cache;
+       bool printer;
+       bool ipc;
+       bool read_only; /* Attributes for the current user of the share. */
+       uint32_t share_access;
+       /* Does this filesystem honor
+          sub second timestamps on files
+          and directories when setting time ? */
+       enum timestamp_set_resolution ts_res;
+       char *connectpath;
+       char *origpath;
+       char *cwd; /* Working directory. */
+
+       struct vfs_handle_struct *vfs_handles;          /* for the new plugins */
+
+       /*
+        * This represents the user information on this connection. Depending
+        * on the vuid using this tid, this might change per SMB request.
+        */
+       struct auth_session_info *session_info;
+
+       /*
+        * If the "force group" parameter is set, this is the primary gid that
+        * may be used in the users token, depending on the vuid using this tid.
+        */
+       gid_t force_group_gid;
+
+       uint64_t vuid; /* vuid of user who *opened* this connection, or UID_FIELD_INVALID */
+
+       time_t lastused;
+       time_t lastused_count;
+       int num_files_open;
+       unsigned int num_smb_operations; /* Count of smb operations on this tree. */
+       int encrypt_level;
+       bool encrypted_tid;
+
+       /* Semantics requested by the client or forced by the server config. */
+       bool case_sensitive;
+       bool case_preserve;
+       bool short_case_preserve;
+
+       /* Semantics provided by the underlying filesystem. */
+       int fs_capabilities;
+       /* Device number of the directory of the share mount.
+          Used to ensure unique FileIndex returns. */
+       SMB_DEV_T base_share_dev;
+
+       name_compare_entry *hide_list; /* Per-share list of files to return as hidden. */
+       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;
+
+} connection_struct;
+
+struct smbd_smb2_request;
+struct privilege_paths;
+
+struct smb_request {
+       uint8_t cmd;
+       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_t  wct;
+       const uint16_t *vwv;
+       uint16_t buflen;
+       const uint8_t *buf;
+       const uint8_t *inbuf;
+
+       /*
+        * Async handling in the main smb processing loop is directed by
+        * outbuf: reply_xxx routines indicate sync behaviour by putting their
+        * reply into "outbuf". If they leave it as NULL, they take care of it
+        * themselves, possibly later.
+        *
+        * If async handling is wanted, the reply_xxx routine must make sure
+        * that it talloc_move()s the smb_req somewhere else.
+        */
+       uint8_t *outbuf;
+
+       size_t unread_bytes;
+       bool encrypted;
+       connection_struct *conn;
+       struct smbd_server_connection *sconn;
+       struct smbXsrv_connection *xconn;
+       struct smb_perfcount_data pcd;
+
+       /*
+        * Chained request handling
+        */
+       struct files_struct *chain_fsp;
+
+       /*
+        * state information for async smb handling
+        */
+       void *async_priv;
+
+       /*
+        * Back pointer to smb2 request.
+        */
+       struct smbd_smb2_request *smb2req;
+
+       /*
+        * Pathnames used if request done
+        * under privilege.
+        */
+       struct privilege_paths *priv_paths;
+
+       /*
+        * Request list for chained requests, we're part of it.
+        */
+       struct smb_request **chain;
+
+       struct timeval request_time;
+};
+
+/*
+ * Info about an alternate data stream
+ */
+
+struct stream_struct {
+       off_t size;
+       off_t alloc_size;
+       char *name;
+};
+
+/* time info */
+struct smb_file_time {
+       struct timespec mtime;
+       struct timespec atime;
+       struct timespec ctime;
+       struct timespec create_time;
+};
+
+/*
+ * smb_filename
+ */
+struct smb_filename {
+       char *base_name;
+       char *stream_name;
+       char *original_lcomp;
+       SMB_STRUCT_STAT st;
+};
 
-#define VFS_FIND(__fn__) while (handle->fns->__fn__==NULL) { \
+#define VFS_FIND(__fn__) while (handle->fns->__fn__##_fn==NULL) { \
                                handle = handle->next; \
                         }
 
@@ -171,9 +489,9 @@ 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,
 };
 
 /*
@@ -182,227 +500,323 @@ enum vfs_fallocate_mode {
     In particular, if new operations are added to vfs_ops, appropriate constants
     should be added to vfs_op_type so that order of them kept same as in vfs_ops.
 */
+struct shadow_copy_data;
 
 struct vfs_fn_pointers {
        /* Disk operations */
 
        int (*connect_fn)(struct vfs_handle_struct *handle, const char *service, const char *user);
-       void (*disconnect)(struct vfs_handle_struct *handle);
-       uint64_t (*disk_free)(struct vfs_handle_struct *handle, const char *path, bool small_query, uint64_t *bsize,
+       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)(struct vfs_handle_struct *handle, enum SMB_QUOTA_TYPE qtype, unid_t id, SMB_DISK_QUOTA *qt);
-       int (*set_quota)(struct vfs_handle_struct *handle, enum SMB_QUOTA_TYPE qtype, unid_t id, SMB_DISK_QUOTA *qt);
-       int (*get_shadow_copy_data)(struct vfs_handle_struct *handle, struct files_struct *fsp, SHADOW_COPY_DATA *shadow_copy_data, bool labels);
-       int (*statvfs)(struct vfs_handle_struct *handle, const char *path, struct vfs_statvfs_struct *statbuf);
-       uint32_t (*fs_capabilities)(struct vfs_handle_struct *handle, enum timestamp_set_resolution *p_ts_res);
+       int (*get_quota_fn)(struct vfs_handle_struct *handle, 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);
+       uint32_t (*fs_capabilities_fn)(struct vfs_handle_struct *handle, enum timestamp_set_resolution *p_ts_res);
+
+       /*
+        * Note: that "struct dfs_GetDFSReferral *r"
+        * needs to be a valid TALLOC_CTX
+        */
+       NTSTATUS (*get_dfs_referrals_fn)(struct vfs_handle_struct *handle,
+                                        struct dfs_GetDFSReferral *r);
 
        /* Directory operations */
 
-       SMB_STRUCT_DIR *(*opendir)(struct vfs_handle_struct *handle, const char *fname, const char *mask, uint32 attributes);
-       SMB_STRUCT_DIR *(*fdopendir)(struct vfs_handle_struct *handle, files_struct *fsp, const char *mask, uint32 attributes);
-       SMB_STRUCT_DIRENT *(*readdir)(struct vfs_handle_struct *handle,
-                                     SMB_STRUCT_DIR *dirp,
-                                     SMB_STRUCT_STAT *sbuf);
-       void (*seekdir)(struct vfs_handle_struct *handle, SMB_STRUCT_DIR *dirp, long offset);
-       long (*telldir)(struct vfs_handle_struct *handle, SMB_STRUCT_DIR *dirp);
-       void (*rewind_dir)(struct vfs_handle_struct *handle, SMB_STRUCT_DIR *dirp);
-       int (*mkdir)(struct vfs_handle_struct *handle, const char *path, mode_t mode);
-       int (*rmdir)(struct vfs_handle_struct *handle, const char *path);
-       int (*closedir)(struct vfs_handle_struct *handle, SMB_STRUCT_DIR *dir);
-       void (*init_search_op)(struct vfs_handle_struct *handle, SMB_STRUCT_DIR *dirp);
+       DIR *(*opendir_fn)(struct vfs_handle_struct *handle, const char *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 (*closedir_fn)(struct vfs_handle_struct *handle, DIR *dir);
+       void (*init_search_op_fn)(struct vfs_handle_struct *handle, DIR *dirp);
 
        /* File operations */
 
-       int (*open)(struct vfs_handle_struct *handle,
-                   struct smb_filename *smb_fname, files_struct *fsp,
-                   int flags, mode_t mode);
-       NTSTATUS (*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,
-                               uint64_t allocation_size,
-                               uint32_t private_flags,
-                               struct security_descriptor *sd,
-                               struct ea_list *ea_list,
-                               files_struct **result,
-                               int *pinfo);
+       int (*open_fn)(struct vfs_handle_struct *handle,
+                      struct smb_filename *smb_fname, files_struct *fsp,
+                      int flags, mode_t mode);
+       NTSTATUS (*create_file_fn)(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 (*close_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp);
-       ssize_t (*vfs_read)(struct vfs_handle_struct *handle, struct files_struct *fsp, void *data, size_t n);
-       ssize_t (*pread)(struct vfs_handle_struct *handle, struct files_struct *fsp, void *data, size_t n, SMB_OFF_T offset);
-       ssize_t (*write)(struct vfs_handle_struct *handle, struct files_struct *fsp, const void *data, size_t n);
-       ssize_t (*pwrite)(struct vfs_handle_struct *handle, struct files_struct *fsp, const void *data, size_t n, SMB_OFF_T offset);
-       SMB_OFF_T (*lseek)(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_OFF_T offset, int whence);
-       ssize_t (*sendfile)(struct vfs_handle_struct *handle, int tofd, files_struct *fromfsp, const DATA_BLOB *header, SMB_OFF_T offset, size_t count);
-       ssize_t (*recvfile)(struct vfs_handle_struct *handle, int fromfd, files_struct *tofsp, SMB_OFF_T offset, size_t count);
-       int (*rename)(struct vfs_handle_struct *handle,
-                     const struct smb_filename *smb_fname_src,
-                     const struct smb_filename *smb_fname_dst);
-       int (*fsync)(struct vfs_handle_struct *handle, struct files_struct *fsp);
-       int (*stat)(struct vfs_handle_struct *handle, struct smb_filename *smb_fname);
-       int (*fstat)(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_STRUCT_STAT *sbuf);
-       int (*lstat)(struct vfs_handle_struct *handle, struct smb_filename *smb_filename);
-       uint64_t (*get_alloc_size)(struct vfs_handle_struct *handle, struct files_struct *fsp, const SMB_STRUCT_STAT *sbuf);
-       int (*unlink)(struct vfs_handle_struct *handle,
-                     const struct smb_filename *smb_fname);
-       int (*chmod)(struct vfs_handle_struct *handle, const char *path, mode_t mode);
-       int (*fchmod)(struct vfs_handle_struct *handle, struct files_struct *fsp, mode_t mode);
-       int (*chown)(struct vfs_handle_struct *handle, const char *path, uid_t uid, gid_t gid);
-       int (*fchown)(struct vfs_handle_struct *handle, struct files_struct *fsp, uid_t uid, gid_t gid);
-       int (*lchown)(struct vfs_handle_struct *handle, const char *path, uid_t uid, gid_t gid);
-       int (*chdir)(struct vfs_handle_struct *handle, const char *path);
-       char *(*getwd)(struct vfs_handle_struct *handle, char *buf);
-       int (*ntimes)(struct vfs_handle_struct *handle,
-                     const struct smb_filename *smb_fname,
-                     struct smb_file_time *ft);
-       int (*ftruncate)(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_OFF_T offset);
-       int (*fallocate)(struct vfs_handle_struct *handle,
-                               struct files_struct *fsp,
-                               enum vfs_fallocate_mode mode,
-                               SMB_OFF_T offset,
-                               SMB_OFF_T len);
-       bool (*lock)(struct vfs_handle_struct *handle, struct files_struct *fsp, int op, SMB_OFF_T offset, SMB_OFF_T count, int type);
-       int (*kernel_flock)(struct vfs_handle_struct *handle, struct files_struct *fsp,
-                           uint32 share_mode, uint32_t access_mask);
-       int (*linux_setlease)(struct vfs_handle_struct *handle, struct files_struct *fsp, int leasetype);
-       bool (*getlock)(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_OFF_T *poffset, SMB_OFF_T *pcount, int *ptype, pid_t *ppid);
-       int (*symlink)(struct vfs_handle_struct *handle, const char *oldpath, const char *newpath);
-       int (*vfs_readlink)(struct vfs_handle_struct *handle, const char *path, char *buf, size_t bufsiz);
-       int (*link)(struct vfs_handle_struct *handle, const char *oldpath, const char *newpath);
-       int (*mknod)(struct vfs_handle_struct *handle, const char *path, mode_t mode, SMB_DEV_T dev);
-       char *(*realpath)(struct vfs_handle_struct *handle, const char *path);
-       NTSTATUS (*notify_watch)(struct vfs_handle_struct *handle,
-                                struct sys_notify_context *ctx,
-                                struct notify_entry *e,
-                                void (*callback)(struct sys_notify_context *ctx,
-                                                 void *private_data,
-                                                 struct notify_event *ev),
-                                void *private_data, void *handle_p);
-       int (*chflags)(struct vfs_handle_struct *handle, const char *path, unsigned int flags);
-       struct file_id (*file_id_create)(struct vfs_handle_struct *handle,
-                                        const SMB_STRUCT_STAT *sbuf);
-
-       NTSTATUS (*streaminfo)(struct vfs_handle_struct *handle,
-                              struct files_struct *fsp,
-                              const char *fname,
-                              TALLOC_CTX *mem_ctx,
-                              unsigned int *num_streams,
-                              struct stream_struct **streams);
+       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,
+                                           struct tevent_context *ev,
+                                           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 (*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,
+                                            struct tevent_context *ev,
+                                            struct files_struct *fsp,
+                                            const void *data,
+                                            size_t n, off_t offset);
+       ssize_t (*pwrite_recv_fn)(struct tevent_req *req, int *err);
+       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 (*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 (*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 (*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 (*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,
+                           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_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);
+       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);
+       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);
 
-       int (*get_real_filename)(struct vfs_handle_struct *handle,
-                                const char *path,
-                                const char *name,
-                                TALLOC_CTX *mem_ctx,
-                                char **found_name);
+       NTSTATUS (*streaminfo_fn)(struct vfs_handle_struct *handle,
+                                 struct files_struct *fsp,
+                                 const char *fname,
+                                 TALLOC_CTX *mem_ctx,
+                                 unsigned int *num_streams,
+                                 struct stream_struct **streams);
 
-       const char *(*connectpath)(struct vfs_handle_struct *handle,
-                                  const char *filename);
+       int (*get_real_filename_fn)(struct vfs_handle_struct *handle,
+                                   const char *path,
+                                   const char *name,
+                                   TALLOC_CTX *mem_ctx,
+                                   char **found_name);
 
-       NTSTATUS (*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);
+       const char *(*connectpath_fn)(struct vfs_handle_struct *handle,
+                                     const char *filename);
 
-       bool (*brl_unlock_windows)(struct vfs_handle_struct *handle,
-                                  struct messaging_context *msg_ctx,
-                                  struct byte_range_lock *br_lck,
-                                  const struct lock_struct *plock);
+       NTSTATUS (*brl_lock_windows_fn)(struct vfs_handle_struct *handle,
+                                       struct byte_range_lock *br_lck,
+                                       struct lock_struct *plock,
+                                       bool blocking_lock);
 
-       bool (*brl_cancel_windows)(struct vfs_handle_struct *handle,
-                                  struct byte_range_lock *br_lck,
-                                  struct lock_struct *plock,
-                                  struct blocking_lock_record *blr);
+       bool (*brl_unlock_windows_fn)(struct vfs_handle_struct *handle,
+                                     struct messaging_context *msg_ctx,
+                                     struct byte_range_lock *br_lck,
+                                     const struct lock_struct *plock);
 
-       bool (*strict_lock)(struct vfs_handle_struct *handle,
-                           struct files_struct *fsp,
-                           struct lock_struct *plock);
+       bool (*brl_cancel_windows_fn)(struct vfs_handle_struct *handle,
+                                     struct byte_range_lock *br_lck,
+                                     struct lock_struct *plock);
 
-       void (*strict_unlock)(struct vfs_handle_struct *handle,
-                             struct files_struct *fsp,
-                             struct lock_struct *plock);
+       bool (*strict_lock_fn)(struct vfs_handle_struct *handle,
+                              struct files_struct *fsp,
+                              struct lock_struct *plock);
 
-       NTSTATUS (*translate_name)(struct vfs_handle_struct *handle,
-                                  const char *name,
-                                  enum vfs_translate_direction direction,
-                                  TALLOC_CTX *mem_ctx,
-                                  char **mapped_name);
+       void (*strict_unlock_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,
+                                     enum vfs_translate_direction direction,
+                                     TALLOC_CTX *mem_ctx,
+                                     char **mapped_name);
+
+       NTSTATUS (*fsctl_fn)(struct vfs_handle_struct *handle,
+                            struct files_struct *fsp,
+                            TALLOC_CTX *ctx,
+                            uint32_t function,
+                            uint16_t req_flags,
+                            const uint8_t *_in_data,
+                            uint32_t in_len,
+                            uint8_t **_out_data,
+                            uint32_t max_out_len,
+                            uint32_t *out_len); 
 
        /* NT ACL operations. */
 
-       NTSTATUS (*fget_nt_acl)(struct vfs_handle_struct *handle,
-                               struct files_struct *fsp,
-                               uint32 security_info,
-                               struct security_descriptor **ppdesc);
-       NTSTATUS (*get_nt_acl)(struct vfs_handle_struct *handle,
-                              const char *name,
-                              uint32 security_info,
-                              struct security_descriptor **ppdesc);
-       NTSTATUS (*fset_nt_acl)(struct vfs_handle_struct *handle,
-                               struct files_struct *fsp,
-                               uint32 security_info_sent,
-                               const struct security_descriptor *psd);
+       NTSTATUS (*fget_nt_acl_fn)(struct vfs_handle_struct *handle,
+                                  struct files_struct *fsp,
+                                  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_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_t security_info_sent,
+                                  const struct security_descriptor *psd);
+
+       NTSTATUS (*audit_file_fn)(struct vfs_handle_struct *handle,
+                                 struct smb_filename *file,
+                                 struct security_acl *sacl,
+                                 uint32_t access_requested,
+                                 uint32_t access_denied);
 
        /* POSIX ACL operations. */
 
-       int (*chmod_acl)(struct vfs_handle_struct *handle, const char *name, mode_t mode);
-       int (*fchmod_acl)(struct vfs_handle_struct *handle, struct files_struct *fsp, mode_t mode);
-
-       int (*sys_acl_get_entry)(struct vfs_handle_struct *handle, SMB_ACL_T theacl, int entry_id, SMB_ACL_ENTRY_T *entry_p);
-       int (*sys_acl_get_tag_type)(struct vfs_handle_struct *handle, SMB_ACL_ENTRY_T entry_d, SMB_ACL_TAG_T *tag_type_p);
-       int (*sys_acl_get_permset)(struct vfs_handle_struct *handle, SMB_ACL_ENTRY_T entry_d, SMB_ACL_PERMSET_T *permset_p);
-       void * (*sys_acl_get_qualifier)(struct vfs_handle_struct *handle, SMB_ACL_ENTRY_T entry_d);
-       SMB_ACL_T (*sys_acl_get_file)(struct vfs_handle_struct *handle, const char *path_p, SMB_ACL_TYPE_T type);
-       SMB_ACL_T (*sys_acl_get_fd)(struct vfs_handle_struct *handle, struct files_struct *fsp);
-       int (*sys_acl_clear_perms)(struct vfs_handle_struct *handle, SMB_ACL_PERMSET_T permset);
-       int (*sys_acl_add_perm)(struct vfs_handle_struct *handle, SMB_ACL_PERMSET_T permset, SMB_ACL_PERM_T perm);
-       char * (*sys_acl_to_text)(struct vfs_handle_struct *handle, SMB_ACL_T theacl, ssize_t *plen);
-       SMB_ACL_T (*sys_acl_init)(struct vfs_handle_struct *handle, int count);
-       int (*sys_acl_create_entry)(struct vfs_handle_struct *handle, SMB_ACL_T *pacl, SMB_ACL_ENTRY_T *pentry);
-       int (*sys_acl_set_tag_type)(struct vfs_handle_struct *handle, SMB_ACL_ENTRY_T entry, SMB_ACL_TAG_T tagtype);
-       int (*sys_acl_set_qualifier)(struct vfs_handle_struct *handle, SMB_ACL_ENTRY_T entry, void *qual);
-       int (*sys_acl_set_permset)(struct vfs_handle_struct *handle, SMB_ACL_ENTRY_T entry, SMB_ACL_PERMSET_T permset);
-       int (*sys_acl_valid)(struct vfs_handle_struct *handle, SMB_ACL_T theacl );
-       int (*sys_acl_set_file)(struct vfs_handle_struct *handle, const char *name, SMB_ACL_TYPE_T acltype, SMB_ACL_T theacl);
-       int (*sys_acl_set_fd)(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_ACL_T theacl);
-       int (*sys_acl_delete_def_file)(struct vfs_handle_struct *handle, const char *path);
-       int (*sys_acl_get_perm)(struct vfs_handle_struct *handle, SMB_ACL_PERMSET_T permset, SMB_ACL_PERM_T perm);
-       int (*sys_acl_free_text)(struct vfs_handle_struct *handle, char *text);
-       int (*sys_acl_free_acl)(struct vfs_handle_struct *handle, SMB_ACL_T posix_acl);
-       int (*sys_acl_free_qualifier)(struct vfs_handle_struct *handle, void *qualifier, SMB_ACL_TAG_T tagtype);
+       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,
+                                        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,
+                                       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_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);
 
        /* EA operations. */
-       ssize_t (*getxattr)(struct vfs_handle_struct *handle,const char *path, const char *name, void *value, size_t size);
-       ssize_t (*lgetxattr)(struct vfs_handle_struct *handle,const char *path, const char *name, void *value, size_t size);
-       ssize_t (*fgetxattr)(struct vfs_handle_struct *handle, struct files_struct *fsp, const char *name, void *value, size_t size);
-       ssize_t (*listxattr)(struct vfs_handle_struct *handle, const char *path, char *list, size_t size);
-       ssize_t (*llistxattr)(struct vfs_handle_struct *handle, const char *path, char *list, size_t size);
-       ssize_t (*flistxattr)(struct vfs_handle_struct *handle, struct files_struct *fsp, char *list, size_t size);
-       int (*removexattr)(struct vfs_handle_struct *handle, const char *path, const char *name);
-       int (*lremovexattr)(struct vfs_handle_struct *handle, const char *path, const char *name);
-       int (*fremovexattr)(struct vfs_handle_struct *handle, struct files_struct *fsp, const char *name);
-       int (*setxattr)(struct vfs_handle_struct *handle, const char *path, const char *name, const void *value, size_t size, int flags);
-       int (*lsetxattr)(struct vfs_handle_struct *handle, const char *path, const char *name, const void *value, size_t size, int flags);
-       int (*fsetxattr)(struct vfs_handle_struct *handle, struct files_struct *fsp, const char *name, const void *value, size_t size, int flags);
+       ssize_t (*getxattr_fn)(struct vfs_handle_struct *handle,const char *path, const char *name, void *value, size_t size);
+       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 (*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 (*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 (*fsetxattr_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, const char *name, const void *value, size_t size, int flags);
 
        /* aio operations */
-       int (*aio_read)(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb);
-       int (*aio_write)(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb);
-       ssize_t (*aio_return_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb);
-       int (*aio_cancel)(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb);
-       int (*aio_error_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb);
-       int (*aio_fsync)(struct vfs_handle_struct *handle, struct files_struct *fsp, int op, SMB_STRUCT_AIOCB *aiocb);
-       int (*aio_suspend)(struct vfs_handle_struct *handle, struct files_struct *fsp, const SMB_STRUCT_AIOCB * const aiocb[], int n, const struct timespec *timeout);
-       bool (*aio_force)(struct vfs_handle_struct *handle, struct files_struct *fsp);
+       bool (*aio_force_fn)(struct vfs_handle_struct *handle, struct files_struct *fsp);
 
        /* offline operations */
-       bool (*is_offline)(struct vfs_handle_struct *handle, const char *path, SMB_STRUCT_STAT *sbuf);
-       int (*set_offline)(struct vfs_handle_struct *handle, const char *path);
+       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,
+                                     TALLOC_CTX *mem_ctx,
+                                     DATA_BLOB *cookie);
+       NTSTATUS (*durable_disconnect_fn)(struct vfs_handle_struct *handle,
+                                         struct files_struct *fsp,
+                                         const DATA_BLOB old_cookie,
+                                         TALLOC_CTX *mem_ctx,
+                                         DATA_BLOB *new_cookie);
+       NTSTATUS (*durable_reconnect_fn)(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);
+
+       NTSTATUS (*readdir_attr_fn)(struct vfs_handle_struct *handle,
+                                   const struct smb_filename *fname,
+                                   TALLOC_CTX *mem_ctx,
+                                   struct readdir_attr_data **attr_data);
 };
 
 /*
@@ -424,8 +838,8 @@ 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.
@@ -471,14 +885,14 @@ typedef struct vfs_statvfs_struct {
 
 #define SMB_VFS_HANDLE_GET_DATA(handle, datap, type, ret) { \
        if (!(handle)||((datap=(type *)(handle)->data)==NULL)) { \
-               DEBUG(0,("%s() failed to get vfs_handle->data!\n",FUNCTION_MACRO)); \
+               DEBUG(0,("%s() failed to get vfs_handle->data!\n",__FUNCTION__)); \
                ret; \
        } \
 }
 
 #define SMB_VFS_HANDLE_SET_DATA(handle, datap, free_fn, type, ret) { \
        if (!(handle)) { \
-               DEBUG(0,("%s() failed to set handle->data!\n",FUNCTION_MACRO)); \
+               DEBUG(0,("%s() failed to set handle->data!\n",__FUNCTION__)); \
                ret; \
        } else { \
                if ((handle)->free_data) { \
@@ -508,9 +922,8 @@ 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,
-                               uint64_t *dsize);
+                               const char *path, 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);
@@ -519,35 +932,40 @@ int smb_vfs_call_set_quota(struct vfs_handle_struct *handle,
                           SMB_DISK_QUOTA *qt);
 int smb_vfs_call_get_shadow_copy_data(struct vfs_handle_struct *handle,
                                      struct files_struct *fsp,
-                                     SHADOW_COPY_DATA *shadow_copy_data,
+                                     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);
 uint32_t smb_vfs_call_fs_capabilities(struct vfs_handle_struct *handle,
-                       enum timestamp_set_resolution *p_ts_res);
-SMB_STRUCT_DIR *smb_vfs_call_opendir(struct vfs_handle_struct *handle,
+                                     enum timestamp_set_resolution *p_ts_res);
+/*
+ * Note: that "struct dfs_GetDFSReferral *r" needs to be a valid TALLOC_CTX
+ */
+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);
-SMB_STRUCT_DIR *smb_vfs_call_fdopendir(struct vfs_handle_struct *handle,
+                                    uint32_t attributes);
+DIR *smb_vfs_call_fdopendir(struct vfs_handle_struct *handle,
                                        struct files_struct *fsp,
                                        const char *mask,
-                                       uint32 attributes);
-SMB_STRUCT_DIRENT *smb_vfs_call_readdir(struct vfs_handle_struct *handle,
-                                       SMB_STRUCT_DIR *dirp,
+                                       uint32_t attributes);
+struct dirent *smb_vfs_call_readdir(struct vfs_handle_struct *handle,
+                                       DIR *dirp,
                                        SMB_STRUCT_STAT *sbuf);
 void smb_vfs_call_seekdir(struct vfs_handle_struct *handle,
-                         SMB_STRUCT_DIR *dirp, long offset);
+                         DIR *dirp, long offset);
 long smb_vfs_call_telldir(struct vfs_handle_struct *handle,
-                         SMB_STRUCT_DIR *dirp);
+                         DIR *dirp);
 void smb_vfs_call_rewind_dir(struct vfs_handle_struct *handle,
-                            SMB_STRUCT_DIR *dirp);
+                            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_closedir(struct vfs_handle_struct *handle,
-                         SMB_STRUCT_DIR *dir);
+                         DIR *dir);
 void smb_vfs_call_init_search_op(struct vfs_handle_struct *handle,
-                                SMB_STRUCT_DIR *dirp);
+                                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);
@@ -561,39 +979,65 @@ 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 smb_vfs_call_close_fn(struct vfs_handle_struct *handle,
-                         struct files_struct *fsp);
-ssize_t smb_vfs_call_vfs_read(struct vfs_handle_struct *handle,
-                             struct files_struct *fsp, void *data, size_t n);
+                                 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,
-                          SMB_OFF_T offset);
+                          off_t offset);
+struct tevent_req *smb_vfs_call_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 SMB_VFS_PREAD_RECV(struct tevent_req *req, int *perrno);
+
 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, SMB_OFF_T offset);
-SMB_OFF_T smb_vfs_call_lseek(struct vfs_handle_struct *handle,
-                            struct files_struct *fsp, SMB_OFF_T offset,
+                           size_t n, off_t offset);
+struct tevent_req *smb_vfs_call_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 SMB_VFS_PWRITE_RECV(struct tevent_req *req, int *perrno);
+
+off_t smb_vfs_call_lseek(struct vfs_handle_struct *handle,
+                            struct files_struct *fsp, off_t offset,
                             int whence);
 ssize_t smb_vfs_call_sendfile(struct vfs_handle_struct *handle, int tofd,
                              files_struct *fromfsp, const DATA_BLOB *header,
-                             SMB_OFF_T offset, size_t count);
+                             off_t offset, size_t count);
 ssize_t smb_vfs_call_recvfile(struct vfs_handle_struct *handle, int fromfd,
-                             files_struct *tofsp, SMB_OFF_T offset,
+                             files_struct *tofsp, off_t offset,
                              size_t count);
 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_call_stat(struct vfs_handle_struct *handle,
                      struct smb_filename *smb_fname);
 int smb_vfs_call_fstat(struct vfs_handle_struct *handle,
@@ -616,32 +1060,32 @@ int smb_vfs_call_fchown(struct vfs_handle_struct *handle,
 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, char *buf);
+char *smb_vfs_call_getwd(struct vfs_handle_struct *handle);
 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, SMB_OFF_T offset);
+                          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,
-                       SMB_OFF_T offset,
-                       SMB_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, SMB_OFF_T offset,
-                      SMB_OFF_T count, int type);
+                      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, SMB_OFF_T *poffset,
-                         SMB_OFF_T *pcount, int *ptype, pid_t *ppid);
+                         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_vfs_readlink(struct vfs_handle_struct *handle,
-                             const char *path, char *buf, size_t bufsiz);
+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,
@@ -649,7 +1093,9 @@ int smb_vfs_call_mknod(struct vfs_handle_struct *handle, const char *path,
 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,
-                                  struct notify_entry *e,
+                                  const char *name,
+                                  uint32_t *filter,
+                                  uint32_t *subdir_filter,
                                   void (*callback)(struct sys_notify_context *ctx,
                                                    void *private_data,
                                                    struct notify_event *ev),
@@ -672,16 +1118,14 @@ const char *smb_vfs_call_connectpath(struct vfs_handle_struct *handle,
 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);
+                                    struct lock_struct *plock);
 bool smb_vfs_call_strict_lock(struct vfs_handle_struct *handle,
                              struct files_struct *fsp,
                              struct lock_struct *plock);
@@ -693,59 +1137,91 @@ NTSTATUS smb_vfs_call_translate_name(struct vfs_handle_struct *handle,
                                     enum vfs_translate_direction direction,
                                     TALLOC_CTX *mem_ctx,
                                     char **mapped_name);
+NTSTATUS smb_vfs_call_fsctl(struct vfs_handle_struct *handle,
+                           struct files_struct *fsp,
+                           TALLOC_CTX *ctx,
+                           uint32_t function,
+                           uint16_t req_flags,
+                           const uint8_t *_in_data,
+                           uint32_t in_len,
+                           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_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,
+                                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_sys_acl_get_entry(struct vfs_handle_struct *handle,
-                                  SMB_ACL_T theacl, int entry_id,
-                                  SMB_ACL_ENTRY_T *entry_p);
-int smb_vfs_call_sys_acl_get_tag_type(struct vfs_handle_struct *handle,
-                                     SMB_ACL_ENTRY_T entry_d,
-                                     SMB_ACL_TAG_T *tag_type_p);
-int smb_vfs_call_sys_acl_get_permset(struct vfs_handle_struct *handle,
-                                    SMB_ACL_ENTRY_T entry_d,
-                                    SMB_ACL_PERMSET_T *permset_p);
-void * smb_vfs_call_sys_acl_get_qualifier(struct vfs_handle_struct *handle,
-                                         SMB_ACL_ENTRY_T entry_d);
 SMB_ACL_T smb_vfs_call_sys_acl_get_file(struct vfs_handle_struct *handle,
                                        const char *path_p,
-                                       SMB_ACL_TYPE_T type);
+                                       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);
-int smb_vfs_call_sys_acl_clear_perms(struct vfs_handle_struct *handle,
-                                    SMB_ACL_PERMSET_T permset);
-int smb_vfs_call_sys_acl_add_perm(struct vfs_handle_struct *handle,
-                                 SMB_ACL_PERMSET_T permset,
-                                 SMB_ACL_PERM_T perm);
-char * smb_vfs_call_sys_acl_to_text(struct vfs_handle_struct *handle,
-                                   SMB_ACL_T theacl, ssize_t *plen);
-SMB_ACL_T smb_vfs_call_sys_acl_init(struct vfs_handle_struct *handle,
-                                   int count);
-int smb_vfs_call_sys_acl_create_entry(struct vfs_handle_struct *handle,
-                                     SMB_ACL_T *pacl, SMB_ACL_ENTRY_T *pentry);
-int smb_vfs_call_sys_acl_set_tag_type(struct vfs_handle_struct *handle,
-                                     SMB_ACL_ENTRY_T entry,
-                                     SMB_ACL_TAG_T tagtype);
-int smb_vfs_call_sys_acl_set_qualifier(struct vfs_handle_struct *handle,
-                                      SMB_ACL_ENTRY_T entry, void *qual);
-int smb_vfs_call_sys_acl_set_permset(struct vfs_handle_struct *handle,
-                                    SMB_ACL_ENTRY_T entry,
-                                    SMB_ACL_PERMSET_T permset);
-int smb_vfs_call_sys_acl_valid(struct vfs_handle_struct *handle,
-                              SMB_ACL_T theacl);
+                                     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,
+                                      TALLOC_CTX *mem_ctx,
+                                      char **blob_description,
+                                      DATA_BLOB *blob);
+int smb_vfs_call_sys_acl_blob_get_fd(struct vfs_handle_struct *handle,
+                                    struct files_struct *fsp,  
+                                    TALLOC_CTX *mem_ctx,
+                                    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);
@@ -753,21 +1229,9 @@ 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);
-int smb_vfs_call_sys_acl_get_perm(struct vfs_handle_struct *handle,
-                                 SMB_ACL_PERMSET_T permset,
-                                 SMB_ACL_PERM_T perm);
-int smb_vfs_call_sys_acl_free_text(struct vfs_handle_struct *handle,
-                                  char *text);
-int smb_vfs_call_sys_acl_free_acl(struct vfs_handle_struct *handle,
-                                 SMB_ACL_T posix_acl);
-int smb_vfs_call_sys_acl_free_qualifier(struct vfs_handle_struct *handle,
-                                       void *qualifier, SMB_ACL_TAG_T tagtype);
 ssize_t smb_vfs_call_getxattr(struct vfs_handle_struct *handle,
                              const char *path, const char *name, void *value,
                              size_t size);
-ssize_t smb_vfs_call_lgetxattr(struct vfs_handle_struct *handle,
-                              const char *path, const char *name, void *value,
-                              size_t size);
 ssize_t smb_vfs_call_fgetxattr(struct vfs_handle_struct *handle,
                               struct files_struct *fsp, const char *name,
                               void *value, size_t size);
@@ -780,8 +1244,6 @@ ssize_t smb_vfs_call_flistxattr(struct vfs_handle_struct *handle,
                                size_t size);
 int smb_vfs_call_removexattr(struct vfs_handle_struct *handle,
                             const char *path, const char *name);
-int smb_vfs_call_lremovexattr(struct vfs_handle_struct *handle,
-                             const char *path, 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,
@@ -793,30 +1255,42 @@ int smb_vfs_call_lsetxattr(struct vfs_handle_struct *handle, const char *path,
 int smb_vfs_call_fsetxattr(struct vfs_handle_struct *handle,
                           struct files_struct *fsp, const char *name,
                           const void *value, size_t size, int flags);
-int smb_vfs_call_aio_read(struct vfs_handle_struct *handle,
-                         struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb);
-int smb_vfs_call_aio_write(struct vfs_handle_struct *handle,
-                          struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb);
-ssize_t smb_vfs_call_aio_return_fn(struct vfs_handle_struct *handle,
-                                  struct files_struct *fsp,
-                                  SMB_STRUCT_AIOCB *aiocb);
-int smb_vfs_call_aio_cancel(struct vfs_handle_struct *handle,
-                           struct files_struct *fsp, SMB_STRUCT_AIOCB *aiocb);
-int smb_vfs_call_aio_error_fn(struct vfs_handle_struct *handle,
-                             struct files_struct *fsp,
-                             SMB_STRUCT_AIOCB *aiocb);
-int smb_vfs_call_aio_fsync(struct vfs_handle_struct *handle,
-                          struct files_struct *fsp, int op,
-                          SMB_STRUCT_AIOCB *aiocb);
-int smb_vfs_call_aio_suspend(struct vfs_handle_struct *handle,
-                            struct files_struct *fsp,
-                            const SMB_STRUCT_AIOCB * const aiocb[], int n,
-                            const struct timespec *timeout);
 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 char *path, SMB_STRUCT_STAT *sbuf);
+                            const struct smb_filename *fname,
+                            SMB_STRUCT_STAT *sbuf);
 int smb_vfs_call_set_offline(struct vfs_handle_struct *handle,
-                            const char *path);
+                            const struct smb_filename *fname);
+NTSTATUS smb_vfs_call_durable_cookie(struct vfs_handle_struct *handle,
+                                    struct files_struct *fsp,
+                                    TALLOC_CTX *mem_ctx,
+                                    DATA_BLOB *cookie);
+NTSTATUS smb_vfs_call_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 smb_vfs_call_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);
+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);
+void *vfs_add_fsp_extension_notype(vfs_handle_struct *handle,
+                                  files_struct *fsp, size_t ext_size,
+                                  void (*destroy_fn)(void *p_data));
+void vfs_remove_fsp_extension(vfs_handle_struct *handle, files_struct *fsp);
+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);
 
 #endif /* _VFS_H */