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authorMiklos Szeredi <mszeredi@redhat.com>2016-09-27 12:03:57 +0300
committerMiklos Szeredi <mszeredi@redhat.com>2016-09-27 12:03:57 +0300
commitf03b8ad8d38634d13e802165cc15917481b47835 (patch)
tree4dc9c060684f242d1e6c07d28d1ff625db63fd6c /fs/hpfs/namei.c
parent9a232de4999666b2e8ea6775b2b0e3e4feb09b7a (diff)
downloadlinux-f03b8ad8d38634d13e802165cc15917481b47835.tar.xz
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 <mszeredi@redhat.com> Acked-by: Boaz Harrosh <ooo@electrozaur.com> Acked-by: Richard Weinberger <richard@nod.at> Acked-by: Bob Copeland <me@bobcopeland.com> Acked-by: Jan Kara <jack@suse.cz> Cc: Theodore Ts'o <tytso@mit.edu> Cc: Jaegeuk Kim <jaegeuk@kernel.org> Cc: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp> Cc: Mikulas Patocka <mpatocka@redhat.com> Cc: David Woodhouse <dwmw2@infradead.org> Cc: Dave Kleikamp <shaggy@kernel.org> Cc: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp> Cc: Christoph Hellwig <hch@infradead.org>
Diffstat (limited to 'fs/hpfs/namei.c')
-rw-r--r--fs/hpfs/namei.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/fs/hpfs/namei.c b/fs/hpfs/namei.c
index bb8d67e2740a..3c5c1a75569d 100644
--- a/fs/hpfs/namei.c
+++ b/fs/hpfs/namei.c
@@ -507,7 +507,8 @@ const struct address_space_operations hpfs_symlink_aops = {
};
static int hpfs_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)
{
const unsigned char *old_name = old_dentry->d_name.name;
unsigned old_len = old_dentry->d_name.len;
@@ -524,6 +525,9 @@ static int hpfs_rename(struct inode *old_dir, struct dentry *old_dentry,
struct fnode *fnode;
int err;
+ if (flags & ~RENAME_NOREPLACE)
+ return -EINVAL;
+
if ((err = hpfs_chk_name(new_name, &new_len))) return err;
err = 0;
hpfs_adjust_length(old_name, &old_len);
@@ -618,6 +622,6 @@ const struct inode_operations hpfs_dir_iops =
.mkdir = hpfs_mkdir,
.rmdir = hpfs_rmdir,
.mknod = hpfs_mknod,
- .rename = hpfs_rename,
+ .rename2 = hpfs_rename,
.setattr = hpfs_setattr,
};