The patch below does not apply to the 3.0-stable tree.
If someone wants it applied there, or to any other stable or longterm
tree, then please email the backport, including the original git commit
id to <stable@vger.kernel.org>.
thanks,
greg k-h
------------------ original commit in Linus's tree ------------------
>From e59d27e05a6435f8c04d5ad843f37fa795f2eaaa Mon Sep 17 00:00:00 2001
From: Trond Myklebust <trond.mykleb...@netapp.com>
Date: Tue, 27 Mar 2012 18:22:19 -0400
Subject: [PATCH] NFSv4.1: Fix layoutcommit error handling
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 <trond.mykleb...@netapp.com>
Cc: stable@vger.kernel.org
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index ee9ca19..1933e67 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -6112,21 +6112,22 @@ nfs4_layoutcommit_done(struct rpc_task *task, void
*calldata)
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)
--
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