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Commit 671fb896 authored by Andy Adamson's avatar Andy Adamson Committed by Trond Myklebust
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NFSv4.1 wake up all tasks on un-connected DS slot table waitq 



The DS has a connection error (invalid deviceid). Drain the fore channel
slot table waitq.

Signed-off-by: default avatarAndy Adamson <andros@netapp.com>
Signed-off-by: default avatarTrond Myklebust <Trond.Myklebust@netapp.com>
parent 0ad2f378

fs/nfs/nfs4filelayout.c

+2 −0
Original line number Diff line number Diff line
@@ -133,6 +133,7 @@ static int filelayout_async_handle_error(struct rpc_task *task, 
	struct nfs_server *mds_server = NFS_SERVER(inode);

	struct nfs4_deviceid_node *devid = FILELAYOUT_DEVID_NODE(lseg);

	struct nfs_client *mds_client = mds_server->nfs_client;

	struct nfs4_slot_table *tbl = &clp->cl_session->fc_slot_table;



	if (task->tk_status >= 0)

		return 0;
@@ -186,6 +187,7 @@ static int filelayout_async_handle_error(struct rpc_task *task, 
		dprintk("%s DS connection error %d\n", __func__,

			task->tk_status);

		filelayout_mark_devid_invalid(devid);

		rpc_wake_up(&tbl->slot_tbl_waitq);

		/* fall through */

	default:

		dprintk("%s Retry through MDS. Error %d\n", __func__,