This is a note to let you know that I've just added the patch titled

    NFSv4.1: Fix layoutcommit error handling

to the 3.2-stable tree which can be found at:
    
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     nfsv4.1-fix-layoutcommit-error-handling.patch
and it can be found in the queue-3.2 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <[email protected]> know about it.


>From e59d27e05a6435f8c04d5ad843f37fa795f2eaaa Mon Sep 17 00:00:00 2001
From: Trond Myklebust <[email protected]>
Date: Tue, 27 Mar 2012 18:22:19 -0400
Subject: NFSv4.1: Fix layoutcommit error handling

From: Trond Myklebust <[email protected]>

commit e59d27e05a6435f8c04d5ad843f37fa795f2eaaa upstream.

Firstly, task->tk_status will always return negative error values,
so the current tests for 'NFS4ERR_DELEG_REVOKED' etc. are all being
ignored.
Secondly, clean up the code so that we only need to test
task->tk_status once!

Signed-off-by: Trond Myklebust <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>

---
 fs/nfs/nfs4proc.c |   25 +++++++++++++------------
 1 file changed, 13 insertions(+), 12 deletions(-)

--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -5983,21 +5983,22 @@ nfs4_layoutcommit_done(struct rpc_task *
                return;
 
        switch (task->tk_status) { /* Just ignore these failures */
-       case NFS4ERR_DELEG_REVOKED: /* layout was recalled */
-       case NFS4ERR_BADIOMODE:     /* no IOMODE_RW layout for range */
-       case NFS4ERR_BADLAYOUT:     /* no layout */
-       case NFS4ERR_GRACE:         /* loca_recalim always false */
+       case -NFS4ERR_DELEG_REVOKED: /* layout was recalled */
+       case -NFS4ERR_BADIOMODE:     /* no IOMODE_RW layout for range */
+       case -NFS4ERR_BADLAYOUT:     /* no layout */
+       case -NFS4ERR_GRACE:        /* loca_recalim always false */
                task->tk_status = 0;
-       }
-
-       if (nfs4_async_handle_error(task, server, NULL) == -EAGAIN) {
-               rpc_restart_call_prepare(task);
-               return;
-       }
-
-       if (task->tk_status == 0)
+               break;
+       case 0:
                nfs_post_op_update_inode_force_wcc(data->args.inode,
                                                   data->res.fattr);
+               break;
+       default:
+               if (nfs4_async_handle_error(task, server, NULL) == -EAGAIN) {
+                       rpc_restart_call_prepare(task);
+                       return;
+               }
+       }
 }
 
 static void nfs4_layoutcommit_release(void *calldata)


Patches currently in stable-queue which might be from 
[email protected] are

queue-3.2/nfsv4.1-fix-layoutcommit-error-handling.patch
queue-3.2/nfsv4-rate-limit-the-state-manager-warning-messages.patch
queue-3.2/sunrpc-we-must-not-use-list_for_each_entry_safe-in-rpc_wake_up.patch
queue-3.2/nfsv4-fix-two-infinite-loops-in-the-mount-code.patch
queue-3.2/nfsv4-return-the-delegation-if-the-server-returns-nfs4err_openmode.patch
queue-3.2/nfs-properly-handle-the-case-where-the-delegation-is-revoked.patch
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