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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 <[email protected]>
Signed-off-by: Christoph Hellwig <[email protected]>
Signed-off-by: Al Viro <[email protected]>
This commit is contained in:
Miklos Szeredi 2014-07-23 15:15:30 +02:00 • committed by Al Viro
commit 7177a9c4b5
3 changed files with 3 additions and 10 deletions
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7
fs/fuse/dir.c
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@ -845,12 +845,6 @@ static int fuse_rename2(struct inode *olddir, struct dentry *oldent,
return err;
}
static int fuse_rename(struct inode *olddir, struct dentry *oldent,
struct inode *newdir, struct dentry *newent)
{
return fuse_rename2(olddir, oldent, newdir, newent, 0);
}
static int fuse_link(struct dentry *entry, struct inode *newdir,
struct dentry *newent)
{
@ -2024,7 +2018,6 @@ static const struct inode_operations fuse_dir_inode_operations = {
.symlink = fuse_symlink,
.unlink = fuse_unlink,
.rmdir = fuse_rmdir,
.rename = fuse_rename,
.rename2 = fuse_rename2,
.link = fuse_link,
.setattr = fuse_setattr,