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authorTrond Myklebust <Trond.Myklebust@netapp.com>2007-04-14 19:11:52 -0400
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-04-14 21:46:48 -0700
commit60fa3f769f7651a60125a0f44e3ffe3246d7cf39 (patch)
tree1acbd0749726d8bddafab619e173874af0153c84
parente1552e199857109d4b25b9163eff4646726eee3d (diff)
downloadlinux-stericsson-60fa3f769f7651a60125a0f44e3ffe3246d7cf39.tar.gz
NFS: Fix two bugs in the O_DIRECT write code
Do not flag an error if the COMMIT call fails and we decide to resend the writes. Let the resend flag the error if it fails. If a write has failed, then nfs_direct_write_result should not attempt to send a commit. It should just exit asap and return the error to the user. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com> Cc: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
-rw-r--r--fs/nfs/direct.c11
1 files changed, 7 insertions, 4 deletions
diff --git a/fs/nfs/direct.c b/fs/nfs/direct.c
index b1c98ea39b72..2877744cb606 100644
--- a/fs/nfs/direct.c
+++ b/fs/nfs/direct.c
@@ -432,10 +432,10 @@ static void nfs_direct_commit_result(struct rpc_task *task, void *calldata)
if (NFS_PROTO(data->inode)->commit_done(task, data) != 0)
return;
if (unlikely(task->tk_status < 0)) {
- dreq->error = task->tk_status;
+ dprintk("NFS: %5u commit failed with error %d.\n",
+ task->tk_pid, task->tk_status);
dreq->flags = NFS_ODIRECT_RESCHED_WRITES;
- }
- if (memcmp(&dreq->verf, &data->verf, sizeof(data->verf))) {
+ } else if (memcmp(&dreq->verf, &data->verf, sizeof(data->verf))) {
dprintk("NFS: %5u commit verify failed\n", task->tk_pid);
dreq->flags = NFS_ODIRECT_RESCHED_WRITES;
}
@@ -531,9 +531,12 @@ static void nfs_direct_write_result(struct rpc_task *task, void *calldata)
spin_lock(&dreq->lock);
+ if (unlikely(dreq->error != 0))
+ goto out_unlock;
if (unlikely(status < 0)) {
+ /* An error has occured, so we should not commit */
+ dreq->flags = 0;
dreq->error = status;
- goto out_unlock;
}
dreq->count += data->res.count;