Commit 82c7c7a5 authored Jun 20, 2012 by Andy Adamson Committed by Trond Myklebust Jul 16, 2012

NFSv4.1 return the LAYOUT for each file with failed DS connection I/O



First mark the deviceid invalid to prevent any future use. Then fence all
files involved in I/O to a DS with a connection error by sending a
LAYOUTRETURN.

Signed-off-by: Andy Adamson <andros@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>

parent 8626e4a4

fs/nfs/nfs4filelayout.c

+1 −2

Original line number	Diff line number	Diff line
		@@ -205,9 +205,8 @@ 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(inode);
		filelayout_mark_devid_invalid(devid);
		_pnfs_return_layout(inode);
		rpc_wake_up(&tbl->slot_tbl_waitq);
		nfs4_ds_disconnect(clp);
		/* fall through */