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Date: Sat, 27 Oct 2012 08:33:18 -0400
From: Jeff Layton <jlayton@...hat.com>
To: viro@...iv.linux.org.uk
Cc: linux-fsdevel@...r.kernel.org, linux-nfs@...r.kernel.org,
linux-kernel@...r.kernel.org, michael.brantley@...haw.com,
hch@...radead.org, miklos@...redi.hu, pstaubach@...grid.com
Subject: [PATCH v8 11/32] vfs: make do_unlinkat retry on ESTALE errors
Signed-off-by: Jeff Layton <jlayton@...hat.com>
---
fs/namei.c | 12 ++++++++++--
1 file changed, 10 insertions(+), 2 deletions(-)
diff --git a/fs/namei.c b/fs/namei.c
index 7c9bb50..467b9f1 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -3446,9 +3446,13 @@ static long do_unlinkat(int dfd, const char __user *pathname)
struct filename *name;
struct dentry *dentry;
struct nameidata nd;
- struct inode *inode = NULL;
+ struct inode *inode;
+ unsigned int try = 0;
+ unsigned int lookup_flags = LOOKUP_PARENT;
- name = user_path_parent(dfd, pathname, &nd, 0);
+retry:
+ inode = NULL;
+ name = user_path_parent(dfd, pathname, &nd, try);
if (IS_ERR(name))
return PTR_ERR(name);
@@ -3486,6 +3490,10 @@ exit2:
exit1:
path_put(&nd.path);
putname(name);
+ if (retry_estale(error, try++)) {
+ lookup_flags |= LOOKUP_REVAL;
+ goto retry;
+ }
return error;
slashes:
--
1.7.11.7
--
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