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| author |   Olga Kornievskaia <kolga@netapp.com> | 2017-06-23 10:26:58 -0400 |
|---|---|---|
| committer |   Anna Schumaker <Anna.Schumaker@Netapp.com> | 2017-07-13 15:59:57 -0400 |
| commit | a0bc01e0f1fa39702b5244b3bac699bea0d4f413 (patch) | |
| tree | dc1cf3bd20e26f401c796b9dca8d78104ee25090 /fs/nfs/filelayout | |
| parent | NFS: silence a uninitialized variable warning (diff) | |
| download | linux-dev-a0bc01e0f1fa39702b5244b3bac699bea0d4f413.tar.xz linux-dev-a0bc01e0f1fa39702b5244b3bac699bea0d4f413.zip | |
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.c | 3 |
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); |