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authorMiklos Szeredi <mszeredi@suse.cz>2012-03-26 12:54:20 +0200
committerAl Viro <viro@zeniv.linux.org.uk>2012-03-31 16:03:16 -0400
commit3637c05d881b2b7bab36f339245b8963f5b29c9f (patch)
tree771ea8149d971517934d7023a6f3d34ccc42068f /fs/namei.c
parentfa4ee159512ee39b6c65ac40db986ea7a2f7de60 (diff)
downloadop-kernel-dev-3637c05d881b2b7bab36f339245b8963f5b29c9f.zip
op-kernel-dev-3637c05d881b2b7bab36f339245b8963f5b29c9f.tar.gz
vfs: don't revalidate just looked up dentry
__lookup_hash() calls ->lookup() if the dentry needs lookup and on success revalidates the dentry (all under dir->i_mutex). While this is harmless it doesn't make a lot of sense. Signed-off-by: Miklos Szeredi <mszeredi@suse.cz> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/namei.c')
-rw-r--r--fs/namei.c4
1 files changed, 1 insertions, 3 deletions
diff --git a/fs/namei.c b/fs/namei.c
index 768f236..82f9568 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -1869,9 +1869,7 @@ static struct dentry *__lookup_hash(struct qstr *name,
* __lookup_hash is called with the parent dir's i_mutex already
* held, so we are good to go here.
*/
- dentry = d_inode_lookup(base, dentry, nd);
- if (IS_ERR(dentry))
- return dentry;
+ return d_inode_lookup(base, dentry, nd);
}
if (dentry && (dentry->d_flags & DCACHE_OP_REVALIDATE)) {
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