s3: VFS: vfs_ceph_snapshots. Implement renameat().

Currently identical to rename().

Signed-off-by: Jeremy Allison <jra@samba.org>
Reviewed-by: Ralph Boehme <slow@samba.org>

diff --git a/source3/modules/vfs_ceph_snapshots.c b/source3/modules/vfs_ceph_snapshots.c
index a70a6adb1f4a41b58ea9ff10dff4eb7e949fb52e..3bc89174c7e4c54190a6050ccd64b13b7029bf81 100644 (file)
--- a/source3/modules/vfs_ceph_snapshots.c
+++ b/source3/modules/vfs_ceph_snapshots.c
@@ -788,6 +788,44 @@ static int ceph_snap_gmt_rename(vfs_handle_struct *handle,
        return SMB_VFS_NEXT_RENAME(handle, smb_fname_src, smb_fname_dst);
 }
 
+static int ceph_snap_gmt_renameat(vfs_handle_struct *handle,
+                       files_struct *srcfsp,
+                       const struct smb_filename *smb_fname_src,
+                       files_struct *dstfsp,
+                       const struct smb_filename *smb_fname_dst)
+{
+       int ret;
+       time_t timestamp_src, timestamp_dst;
+
+       ret = ceph_snap_gmt_strip_snapshot(handle,
+                                       smb_fname_src->base_name,
+                                       &timestamp_src, NULL, 0);
+       if (ret < 0) {
+               errno = -ret;
+               return -1;
+       }
+       ret = ceph_snap_gmt_strip_snapshot(handle,
+                                       smb_fname_dst->base_name,
+                                       &timestamp_dst, NULL, 0);
+       if (ret < 0) {
+               errno = -ret;
+               return -1;
+       }
+       if (timestamp_src != 0) {
+               errno = EXDEV;
+               return -1;
+       }
+       if (timestamp_dst != 0) {
+               errno = EROFS;
+               return -1;
+       }
+       return SMB_VFS_NEXT_RENAMEAT(handle,
+                               srcfsp,
+                               smb_fname_src,
+                               dstfsp,
+                               smb_fname_dst);
+}
+
 /* block links from writeable shares to snapshots for now, like other modules */
 static int ceph_snap_gmt_symlink(vfs_handle_struct *handle,
                                const char *link_contents,
@@ -1595,6 +1633,7 @@ static struct vfs_fn_pointers ceph_snap_fns = {
        .disk_free_fn = ceph_snap_gmt_disk_free,
        .get_quota_fn = ceph_snap_gmt_get_quota,
        .rename_fn = ceph_snap_gmt_rename,
+       .renameat_fn = ceph_snap_gmt_renameat,
        .link_fn = ceph_snap_gmt_link,
        .symlink_fn = ceph_snap_gmt_symlink,
        .stat_fn = ceph_snap_gmt_stat,