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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: Andy Adamson <andros@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Andy Adamson 2012-04-27 17:53:49 -04:00 committed by Trond Myklebust
parent 0ad2f378e1
commit 671fb89695
1 changed files with 2 additions and 0 deletions
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2
fs/nfs/nfs4filelayout.c
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@ -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__,