lkml.org 
[lkml]   [2012]   [Jun]   [29]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH v3 13/17] vfs: make do_unlinkat retry on ESTALE errors
Date
Signed-off-by: Jeff Layton <jlayton@redhat.com>
---
fs/namei.c | 12 +++++++++++-
1 files changed, 11 insertions(+), 1 deletions(-)
diff --git a/fs/namei.c b/fs/namei.c
index 7fccc1c..7fadc99 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -2955,8 +2955,14 @@ static long do_unlinkat(int dfd, const char __user *pathname)
struct dentry *dentry;
struct nameidata nd;
struct inode *inode = NULL;
+ unsigned int try = 0;
+ unsigned int lookup_flags = LOOKUP_PARENT;

- error = user_path_parent(dfd, pathname, &nd, &name);
+ name = getname(pathname);
+ if (IS_ERR(name))
+ return PTR_ERR(name);
+retry:
+ error = do_path_lookup(dfd, name, lookup_flags, &nd);
if (error)
return error;

@@ -2994,6 +3000,10 @@ exit3:
iput(inode); /* truncate the inode here */
exit1:
path_put(&nd.path);
+ if (retry_estale(error, try++)) {
+ lookup_flags |= LOOKUP_REVAL;
+ goto retry;
+ }
putname(name);
return error;

--
1.7.7.6


\
 
 \ /
  Last update: 2012-06-29 23:41    [from the cache]
©2003-2014 Jasper Spaans. Advertise on this site