pnfs: retry after a bad stateid error from layoutget
Currently we fall through to nfs4_async_handle_error when we get
a bad stateid error back from layoutget. nfs4_async_handle_error
with a NULL state argument will never retry the operations but return
the error to higher layer, causing an avoiable fallback to MDS I/O.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index 18eb31c..47fa67a 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -7577,11 +7577,16 @@
} else {
LIST_HEAD(head);
+ /*
+ * Mark the bad layout state as invalid, then retry
+ * with the current stateid.
+ */
pnfs_mark_matching_lsegs_invalid(lo, &head, NULL);
spin_unlock(&inode->i_lock);
- /* Mark the bad layout state as invalid, then
- * retry using the open stateid. */
pnfs_free_lseg_list(&head);
+
+ task->tk_status = 0;
+ rpc_restart_call_prepare(task);
}
}
if (nfs4_async_handle_error(task, server, state) == -EAGAIN)