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Date: Thu, 05 Mar 2015 16:21:21 +1100
From: NeilBrown <neilb@...e.de>
To: Alexander Viro <viro@...iv.linux.org.uk>
Cc: linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH 6/9] VFS/namei: enable RCU-walk when following symlinks.
Now that follow_link handles LOOKUP_RCU, we do not need to
'unlazy_walk' when a symlink is found.
Signed-off-by: NeilBrown <neilb@...e.de>
---
fs/namei.c | 12 ------------
1 file changed, 12 deletions(-)
diff --git a/fs/namei.c b/fs/namei.c
index 4ddbc1ef5726..11e6b2068c96 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -1608,12 +1608,6 @@ static inline int walk_component(struct nameidata *nd, struct path *path,
goto out_path_put;
if (should_follow_link(path->dentry, follow)) {
- if (nd->flags & LOOKUP_RCU) {
- if (unlikely(unlazy_walk(nd, path->dentry))) {
- err = -ECHILD;
- goto out_err;
- }
- }
BUG_ON(inode != path->dentry->d_inode);
return 1;
}
@@ -3066,12 +3060,6 @@ finish_lookup:
}
if (should_follow_link(path->dentry, !symlink_ok)) {
- if (nd->flags & LOOKUP_RCU) {
- if (unlikely(unlazy_walk(nd, path->dentry))) {
- error = -ECHILD;
- goto out;
- }
- }
BUG_ON(inode != path->dentry->d_inode);
return 1;
}
--
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