From f03b8ad8d38634d13e802165cc15917481b47835 Mon Sep 17 00:00:00 2001 From: Miklos Szeredi Date: Tue, 27 Sep 2016 11:03:57 +0200 Subject: fs: support RENAME_NOREPLACE for local filesystems This is trivial to do: - add flags argument to foo_rename() - check if flags doesn't have any other than RENAME_NOREPLACE - assign foo_rename() to .rename2 instead of .rename Filesystems converted: affs, bfs, exofs, ext2, hfs, hfsplus, jffs2, jfs, logfs, minix, msdos, nilfs2, omfs, reiserfs, sysvfs, ubifs, udf, ufs, vfat. Signed-off-by: Miklos Szeredi Acked-by: Boaz Harrosh Acked-by: Richard Weinberger Acked-by: Bob Copeland Acked-by: Jan Kara Cc: Theodore Ts'o Cc: Jaegeuk Kim Cc: OGAWA Hirofumi Cc: Mikulas Patocka Cc: David Woodhouse Cc: Dave Kleikamp Cc: Ryusuke Konishi Cc: Christoph Hellwig --- fs/affs/namei.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) (limited to 'fs/affs/namei.c') diff --git a/fs/affs/namei.c b/fs/affs/namei.c index a2d68f828d53..29186d29a3b6 100644 --- a/fs/affs/namei.c +++ b/fs/affs/namei.c @@ -414,12 +414,16 @@ affs_link(struct dentry *old_dentry, struct inode *dir, struct dentry *dentry) int affs_rename(struct inode *old_dir, struct dentry *old_dentry, - struct inode *new_dir, struct dentry *new_dentry) + struct inode *new_dir, struct dentry *new_dentry, + unsigned int flags) { struct super_block *sb = old_dir->i_sb; struct buffer_head *bh = NULL; int retval; + if (flags & ~RENAME_NOREPLACE) + return -EINVAL; + pr_debug("%s(old=%lu,\"%pd\" to new=%lu,\"%pd\")\n", __func__, old_dir->i_ino, old_dentry, new_dir->i_ino, new_dentry); -- cgit v1.2.3-58-ga151