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authorAndy Adamson <andros@netapp.com>2012-04-27 17:53:50 -0400
committerTrond Myklebust <Trond.Myklebust@netapp.com>2012-05-19 17:55:31 -0400
commit0a57cdac3fb9d249f4fbbc745c01b9292ef8c1b7 (patch)
tree8fb264e116c6c29ae0ed38f8c8065074bc288f55 /fs/nfs/nfs4filelayout.c
parent671fb89695fee0c70a969371efd38ed30be76a8a (diff)
downloadop-kernel-dev-0a57cdac3fb9d249f4fbbc745c01b9292ef8c1b7.zip
op-kernel-dev-0a57cdac3fb9d249f4fbbc745c01b9292ef8c1b7.tar.gz
NFSv4.1 send layoutreturn to fence disconnected data server
Let the MDS know that you are redirecting I/O from pNFS to MDS. Signed-off-by: Andy Adamson <andros@netapp.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'fs/nfs/nfs4filelayout.c')
-rw-r--r--fs/nfs/nfs4filelayout.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/nfs/nfs4filelayout.c b/fs/nfs/nfs4filelayout.c
index a63062d..c6b7c18 100644
--- a/fs/nfs/nfs4filelayout.c
+++ b/fs/nfs/nfs4filelayout.c
@@ -186,6 +186,8 @@ static int filelayout_async_handle_error(struct rpc_task *task,
case -EPIPE:
dprintk("%s DS connection error %d\n", __func__,
task->tk_status);
+ if (!filelayout_test_devid_invalid(devid))
+ _pnfs_return_layout(state->inode);
filelayout_mark_devid_invalid(devid);
rpc_wake_up(&tbl->slot_tbl_waitq);
/* fall through */
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