s3: VFS: vfs_ceph. Implement readlinkat().

Currently identical to readlink().

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

diff --git a/source3/modules/vfs_ceph.c b/source3/modules/vfs_ceph.c
index 4ccadae0e5cbfd56943f1717ac984c51787acd80..30a5525f4b5e99f76fdc95b3cf9c6dde2ff386ea 100644 (file)
--- a/source3/modules/vfs_ceph.c
+++ b/source3/modules/vfs_ceph.c
@@ -1156,6 +1156,23 @@ static int cephwrap_readlink(struct vfs_handle_struct *handle,
        WRAP_RETURN(result);
 }
 
+static int cephwrap_readlinkat(struct vfs_handle_struct *handle,
+               files_struct *dirfsp,
+               const struct smb_filename *smb_fname,
+               char *buf,
+               size_t bufsiz)
+{
+       int result = -1;
+       DBG_DEBUG("[CEPH] readlink(%p, %s, %p, %llu)\n", handle,
+                       smb_fname->base_name, buf, llu(bufsiz));
+
+       SMB_ASSERT(dirfsp == dirfsp->conn->cwd_fsp);
+
+       result = ceph_readlink(handle->data, smb_fname->base_name, buf, bufsiz);
+       DBG_DEBUG("[CEPH] readlink(...) = %d\n", result);
+       WRAP_RETURN(result);
+}
+
 static int cephwrap_linkat(struct vfs_handle_struct *handle,
                files_struct *srcfsp,
                const struct smb_filename *old_smb_fname,
@@ -1460,6 +1477,7 @@ static struct vfs_fn_pointers ceph_fns = {
        .getlock_fn = cephwrap_getlock,
        .symlink_fn = cephwrap_symlink,
        .readlink_fn = cephwrap_readlink,
+       .readlinkat_fn = cephwrap_readlinkat,
        .linkat_fn = cephwrap_linkat,
        .mknodat_fn = cephwrap_mknodat,
        .realpath_fn = cephwrap_realpath,