Commit 383d4e8a authored by Al Viro's avatar Al Viro

reconnect_one(): use lookup_one_len_unlocked()

... and explain the non-obvious logics in case when lookup yields
a different dentry.
Signed-off-by: default avatarAl Viro <[email protected]>
parent 1ae1f3f6
......@@ -143,14 +143,18 @@ static struct dentry *reconnect_one(struct vfsmount *mnt,
if (err)
goto out_err;
dprintk("%s: found name: %s\n", __func__, nbuf);
tmp = lookup_one_len(nbuf, parent, strlen(nbuf));
tmp = lookup_one_len_unlocked(nbuf, parent, strlen(nbuf));
if (IS_ERR(tmp)) {
dprintk("%s: lookup failed: %d\n", __func__, PTR_ERR(tmp));
goto out_err;
if (tmp != dentry) {
* Somebody has renamed it since exportfs_get_name();
* great, since it could've only been renamed if it
* got looked up and thus connected, and it would
* remain connected afterwards. We are done.
goto out_reconnected;
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