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afs: Fix afs_lookup() to not clobber the version on a new dentry 

Fix afs_lookup() to not clobber the version set on a new dentry by
afs_do_lookup() - especially as it's using the wrong version of the
version (we need to use the one given to us by whatever op the dir
contents correspond to rather than what's in the afs_vnode).

Fixes: 9dd0b82ef5 ("afs: Fix missing dentry data version updating")
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
David Howells 2020-01-14 16:16:54 +00:00 committed by Linus Torvalds
parent 40a708bd62
commit f52b83b0b1
1 changed files with 1 additions and 5 deletions
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6
fs/afs/dir.c
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@ -952,12 +952,8 @@ static struct dentry *afs_lookup(struct inode *dir, struct dentry *dentry,
afs_stat_v(dvnode, n_lookup);
inode = afs_do_lookup(dir, dentry, key);
key_put(key);
if (inode == ERR_PTR(-ENOENT)) {
if (inode == ERR_PTR(-ENOENT))
inode = afs_try_auto_mntpt(dentry, dir);
} else {
dentry->d_fsdata =
(void *)(unsigned long)dvnode->status.data_version;
}
if (!IS_ERR_OR_NULL(inode))
fid = AFS_FS_I(inode)->fid;