From 869a9d375dca601dde1dee1344f3d1d665505f19 Mon Sep 17 00:00:00 2001 From: Andy Adamson Date: Tue, 4 Mar 2014 12:31:09 -0500 Subject: [PATCH] NFSv4.1 Fail data server I/O if stateid represents a lost lock Signed-off-by: Andy Adamson Link: http://lkml.kernel.org/r/1393954269-3974-1-git-send-email-andros@netapp.com Signed-off-by: Trond Myklebust --- fs/nfs/nfs4filelayout.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) diff --git a/fs/nfs/nfs4filelayout.c b/fs/nfs/nfs4filelayout.c index 12c8132..b9a35c0 100644 --- a/fs/nfs/nfs4filelayout.c +++ b/fs/nfs/nfs4filelayout.c @@ -324,8 +324,9 @@ static void filelayout_read_prepare(struct rpc_task *task, void *data) &rdata->res.seq_res, task)) return; - nfs4_set_rw_stateid(&rdata->args.stateid, rdata->args.context, - rdata->args.lock_context, FMODE_READ); + if (nfs4_set_rw_stateid(&rdata->args.stateid, rdata->args.context, + rdata->args.lock_context, FMODE_READ) == -EIO) + rpc_exit(task, -EIO); /* lost lock, terminate I/O */ } static void filelayout_read_call_done(struct rpc_task *task, void *data) @@ -435,8 +436,9 @@ static void filelayout_write_prepare(struct rpc_task *task, void *data) &wdata->res.seq_res, task)) return; - nfs4_set_rw_stateid(&wdata->args.stateid, wdata->args.context, - wdata->args.lock_context, FMODE_WRITE); + if (nfs4_set_rw_stateid(&wdata->args.stateid, wdata->args.context, + wdata->args.lock_context, FMODE_WRITE) == -EIO) + rpc_exit(task, -EIO); /* lost lock, terminate I/O */ } static void filelayout_write_call_done(struct rpc_task *task, void *data) -- 2.7.4