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/logfs/dir.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) (limited to 'fs/logfs') diff --git a/fs/logfs/dir.c b/fs/logfs/dir.c index 9568064ecadf..57f2da17a905 100644 --- a/fs/logfs/dir.c +++ b/fs/logfs/dir.c @@ -718,8 +718,12 @@ out: } static int logfs_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) { + if (flags & ~RENAME_NOREPLACE) + return -EINVAL; + if (d_really_is_positive(new_dentry)) return logfs_rename_target(old_dir, old_dentry, new_dir, new_dentry); @@ -783,7 +787,7 @@ const struct inode_operations logfs_dir_iops = { .lookup = logfs_lookup, .mkdir = logfs_mkdir, .mknod = logfs_mknod, - .rename = logfs_rename, + .rename2 = logfs_rename, .rmdir = logfs_rmdir, .symlink = logfs_symlink, .unlink = logfs_unlink, -- cgit v1.2.3