提交 3637c05d 编写于 作者: M Miklos Szeredi 提交者: Al Viro

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: NMiklos Szeredi <mszeredi@suse.cz>
Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk>
上级 fa4ee159
......@@ -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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