Commit 7836d754 authored by Trond Myklebust's avatar Trond Myklebust
Browse files

pNFS/flexfiles: Report RDMA connection errors to the server 



The RPC/RDMA driver will return -EPROTO and -ENODEV as connection errors
under certain circumstances. Make sure that we handle them and report
them to the server. If not, we can end up cycling forever in a
LAYOUTGET/LAYOUTRETURN loop.

Fixes: a12f996d ("NFSv4/pNFS: Use connections to a DS that are all of the same protocol family")
Cc: stable@vger.kernel.org # 5.11.x
Signed-off-by: default avatarTrond Myklebust <trond.myklebust@hammerspace.com>
parent 9597152d

fs/nfs/flexfilelayout/flexfilelayout.c

+4 −0
Original line number Diff line number Diff line
@@ -1131,6 +1131,8 @@ static int ff_layout_async_handle_error_v4(struct rpc_task *task, 
	case -EIO:

	case -ETIMEDOUT:

	case -EPIPE:

	case -EPROTO:

	case -ENODEV:

		dprintk("%s DS connection error %d\n", __func__,

			task->tk_status);

		nfs4_delete_deviceid(devid->ld, devid->nfs_client,
@@ -1236,6 +1238,8 @@ static void ff_layout_io_track_ds_error(struct pnfs_layout_segment *lseg, 
		case -ENOBUFS:

		case -EPIPE:

		case -EPERM:

		case -EPROTO:

		case -ENODEV:

			*op_status = status = NFS4ERR_NXIO;

			break;

		case -EACCES: