s3: VFS: vfs_crossrename. Implement renameat().

Currently identical to rename().

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

1 files changed, 30 insertions, 1 deletions

diff --git a/source3/modules/vfs_crossrename.c b/source3/modules/vfs_crossrename.c
index f1cae9aee7d..95f41e00c9a 100644
--- a/source3/modules/vfs_crossrename.c
+++ b/source3/modules/vfs_crossrename.c
@@ -193,9 +193,38 @@ static int crossrename_rename(vfs_handle_struct *handle,
 	return result;
 }
 
+static int crossrename_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 result = -1;
+
+	START_PROFILE(syscall_renameat);
+
+	if (smb_fname_src->stream_name || smb_fname_dst->stream_name) {
+		errno = ENOENT;
+		goto out;
+	}
+
+	result = rename(smb_fname_src->base_name, smb_fname_dst->base_name);
+	if ((result == -1) && (errno == EXDEV)) {
+		/* Rename across filesystems needed. */
+		result = copy_reg(smb_fname_src->base_name,
+				  smb_fname_dst->base_name);
+	}
+
+ out:
+	END_PROFILE(syscall_renameat);
+	return result;
+}
+
+
 static struct vfs_fn_pointers vfs_crossrename_fns = {
 	.connect_fn = crossrename_connect,
-	.rename_fn = crossrename_rename
+	.rename_fn = crossrename_rename,
+	.renameat_fn = crossrename_renameat
 };
 
 static_decl_vfs;