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authorTrond Myklebust <Trond.Myklebust@netapp.com>2013-03-18 19:45:14 -0400
committerTrond Myklebust <Trond.Myklebust@netapp.com>2013-03-25 12:04:10 -0400
commitc58c844187df61ef7cc103d0abb5dd6198bcfcd6 (patch)
tree0e435c37318e290346f3bed74bba05350ec4dd2f /fs/nfs/nfs4filelayout.c
parent5d422301f97b821301efcdb6fc9d1a83a5c102d6 (diff)
downloadop-kernel-dev-c58c844187df61ef7cc103d0abb5dd6198bcfcd6.zip
op-kernel-dev-c58c844187df61ef7cc103d0abb5dd6198bcfcd6.tar.gz
NFS: Don't accept more reads/writes if the open context recovery failed
If the state recovery failed, we want to ensure that the application doesn't try to use the same file descriptor for more reads or writes. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'fs/nfs/nfs4filelayout.c')
-rw-r--r--fs/nfs/nfs4filelayout.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/fs/nfs/nfs4filelayout.c b/fs/nfs/nfs4filelayout.c
index 1ee5737..4ba32e2 100644
--- a/fs/nfs/nfs4filelayout.c
+++ b/fs/nfs/nfs4filelayout.c
@@ -305,6 +305,10 @@ static void filelayout_read_prepare(struct rpc_task *task, void *data)
{
struct nfs_read_data *rdata = data;
+ if (unlikely(test_bit(NFS_CONTEXT_BAD, &rdata->args.context->flags))) {
+ rpc_exit(task, -EIO);
+ return;
+ }
if (filelayout_reset_to_mds(rdata->header->lseg)) {
dprintk("%s task %u reset io to MDS\n", __func__, task->tk_pid);
filelayout_reset_read(rdata);
@@ -407,6 +411,10 @@ static void filelayout_write_prepare(struct rpc_task *task, void *data)
{
struct nfs_write_data *wdata = data;
+ if (unlikely(test_bit(NFS_CONTEXT_BAD, &wdata->args.context->flags))) {
+ rpc_exit(task, -EIO);
+ return;
+ }
if (filelayout_reset_to_mds(wdata->header->lseg)) {
dprintk("%s task %u reset io to MDS\n", __func__, task->tk_pid);
filelayout_reset_write(wdata);
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