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fs: call rename2 if exists

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Christoph Hellwig suggests:

1) make vfs_rename call ->rename2 if it exists instead of ->rename
2) switch all filesystems that you're adding NOREPLACE support for to
   use ->rename2
3) see how many ->rename instances we'll have left after a few
   iterations of 2.

Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Miklos Szeredi
2014-07-23 15:15:30 +02:00
committed by Al Viro
parent 2577d92ebd
commit 7177a9c4b5
3 changed files with 3 additions and 10 deletions
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fs/ext4/namei.c
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@@ -3455,7 +3455,6 @@ const struct inode_operations ext4_dir_inode_operations = {
.rmdir = ext4_rmdir,
.mknod = ext4_mknod,
.tmpfile = ext4_tmpfile,
.rename = ext4_rename,
.rename2 = ext4_rename2,
.setattr = ext4_setattr,
.setxattr = generic_setxattr,