Commit e35a5e78 authored by Zhang Xianwei's avatar Zhang Xianwei Committed by Trond Myklebust
Browse files

NFSv4.1: RECLAIM_COMPLETE must handle EACCES 



A client should be able to handle getting an EACCES error while doing
a mount operation to reclaim state due to NFS4CLNT_RECLAIM_REBOOT
being set. If the server returns RPC_AUTH_BADCRED because authentication
failed when we execute "exportfs -au", then RECLAIM_COMPLETE will go a
wrong way. After mount succeeds, all OPEN call will fail due to an
NFS4ERR_GRACE error being returned. This patch is to fix it by resending
a RPC request.

Signed-off-by: default avatarZhang Xianwei <zhang.xianwei8@zte.com.cn>
Signed-off-by: default avatarYi Wang <wang.yi59@zte.com.cn>
Fixes: aa5190d0 ("NFSv4: Kill nfs4_async_handle_error() abuses by NFSv4.1")
Signed-off-by: default avatarTrond Myklebust <trond.myklebust@hammerspace.com>
parent f201bdfd

fs/nfs/nfs4proc.c

+3 −0
Original line number Diff line number Diff line
@@ -9487,6 +9487,9 @@ static int nfs41_reclaim_complete_handle_errors(struct rpc_task *task, struct nf 
		rpc_delay(task, NFS4_POLL_RETRY_MAX);

		fallthrough;

	case -NFS4ERR_RETRY_UNCACHED_REP:

	case -EACCES:

		dprintk("%s: failed to reclaim complete error %d for server %s, retrying\n",

			__func__, task->tk_status, clp->cl_hostname);

		return -EAGAIN;

	case -NFS4ERR_BADSESSION:

	case -NFS4ERR_DEADSESSION: