diff options
Diffstat (limited to 'fs/namei.c')
| -rw-r--r-- | fs/namei.c | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/fs/namei.c b/fs/namei.c index 6135a14d5a8..68742e3cb98 100644 --- a/fs/namei.c +++ b/fs/namei.c @@ -2254,9 +2254,22 @@ static struct file *do_last(struct nameidata *nd, struct path *path, if (error < 0) goto exit; - error = lookup_slow(nd, &nd->last, path); - if (error < 0) + BUG_ON(nd->inode != dir->d_inode); + + mutex_lock(&dir->d_inode->i_mutex); + dentry = __lookup_hash(&nd->last, dir, nd); + mutex_unlock(&dir->d_inode->i_mutex); + error = PTR_ERR(dentry); + if (IS_ERR(dentry)) goto exit; + path->mnt = nd->path.mnt; + path->dentry = dentry; + error = follow_managed(path, nd->flags); + if (unlikely(error < 0)) + goto exit_dput; + + if (error) + nd->flags |= LOOKUP_JUMPED; inode = path->dentry->d_inode; } |