3: VFS: vfs_ceph_snapshots. Implement mknodat().

Currently identical to mknod().

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

diff --git a/source3/modules/vfs_ceph_snapshots.c b/source3/modules/vfs_ceph_snapshots.c
index 2911907adb04ba5e4c13bc6f703d15f04e93f08b..f98a60267e82a775d8430412d2291e9c4c04b137 100644 (file)
--- a/source3/modules/vfs_ceph_snapshots.c
+++ b/source3/modules/vfs_ceph_snapshots.c
@@ -1157,6 +1157,33 @@ static int ceph_snap_gmt_mknod(vfs_handle_struct *handle,
        return SMB_VFS_NEXT_MKNOD(handle, csmb_fname, mode, dev);
 }
 
+static int ceph_snap_gmt_mknodat(vfs_handle_struct *handle,
+                       files_struct *dirfsp,
+                       const struct smb_filename *csmb_fname,
+                       mode_t mode,
+                       SMB_DEV_T dev)
+{
+       time_t timestamp = 0;
+       int ret;
+
+       ret = ceph_snap_gmt_strip_snapshot(handle,
+                                       csmb_fname->base_name,
+                                       &timestamp, NULL, 0);
+       if (ret < 0) {
+               errno = -ret;
+               return -1;
+       }
+       if (timestamp != 0) {
+               errno = EROFS;
+               return -1;
+       }
+       return SMB_VFS_NEXT_MKNODAT(handle,
+                       dirfsp,
+                       csmb_fname,
+                       mode,
+                       dev);
+}
+
 static struct smb_filename *ceph_snap_gmt_realpath(vfs_handle_struct *handle,
                                TALLOC_CTX *ctx,
                                const struct smb_filename *csmb_fname)
@@ -1621,6 +1648,7 @@ static struct vfs_fn_pointers ceph_snap_fns = {
        .ntimes_fn = ceph_snap_gmt_ntimes,
        .readlink_fn = ceph_snap_gmt_readlink,
        .mknod_fn = ceph_snap_gmt_mknod,
+       .mknodat_fn = ceph_snap_gmt_mknodat,
        .realpath_fn = ceph_snap_gmt_realpath,
        .get_nt_acl_fn = ceph_snap_gmt_get_nt_acl,
        .fget_nt_acl_fn = ceph_snap_gmt_fget_nt_acl,