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authorOlga Kornievskaia <kolga@netapp.com>2017-06-23 16:26:58 +0200
committerAnna Schumaker <Anna.Schumaker@Netapp.com>2017-07-13 21:59:57 +0200
commita0bc01e0f1fa39702b5244b3bac699bea0d4f413 (patch)
treedc1cf3bd20e26f401c796b9dca8d78104ee25090 /fs/nfs/filelayout
parentNFS: silence a uninitialized variable warning (diff)
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PNFS fix EACCESS on commit to DS handling
Commit fabbbee0eb0f "PNFS fix fallback to MDS if got error on commit to DS" moved the pnfs_set_lo_fail() to unhandled errors which was not correct and lead to a kernel oops on umount. Instead, fix the original EACCESS on commit to DS error by getting the new layout and re-doing the IO. Fixes: fabbbee0eb0f ("PNFS fix fallback to MDS if got error on commit to DS") Signed-off-by: Olga Kornievskaia <kolga@netapp.com> Cc: stable@vger.kernel.org # v4.12 Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Diffstat (limited to 'fs/nfs/filelayout')
-rw-r--r--fs/nfs/filelayout/filelayout.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/fs/nfs/filelayout/filelayout.c b/fs/nfs/filelayout/filelayout.c
index 1cf85d65b748..3e486cd01caf 100644
--- a/fs/nfs/filelayout/filelayout.c
+++ b/fs/nfs/filelayout/filelayout.c
@@ -172,6 +172,7 @@ static int filelayout_async_handle_error(struct rpc_task *task,
case -NFS4ERR_RETRY_UNCACHED_REP:
break;
/* Invalidate Layout errors */
+ case -NFS4ERR_ACCESS:
case -NFS4ERR_PNFS_NO_LAYOUT:
case -ESTALE: /* mapped NFS4ERR_STALE */
case -EBADHANDLE: /* mapped NFS4ERR_BADHANDLE */
@@ -202,10 +203,10 @@ static int filelayout_async_handle_error(struct rpc_task *task,
task->tk_status);
nfs4_mark_deviceid_unavailable(devid);
pnfs_error_mark_layout_for_return(inode, lseg);
+ pnfs_set_lo_fail(lseg);
rpc_wake_up(&tbl->slot_tbl_waitq);
/* fall through */
default:
- pnfs_set_lo_fail(lseg);
reset:
dprintk("%s Retry through MDS. Error %d\n", __func__,
task->tk_status);