NFS: Don't reset pg_moreio in __nfs_pageio_add_request
Once we've started sending unstable NFS writes, we do not want to
clear pg_moreio, or we may end up sending the very last request as
a stable write if the commit lists are still empty.
Do, however, reset pg_moreio in the case where we end up having to
recoalesce the write if an attempt to use pNFS failed.
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
diff --git a/fs/nfs/pagelist.c b/fs/nfs/pagelist.c
index 0aefc81..17fab89 100644
--- a/fs/nfs/pagelist.c
+++ b/fs/nfs/pagelist.c
@@ -935,7 +935,6 @@
nfs_pageio_doio(desc);
if (desc->pg_error < 0)
return 0;
- desc->pg_moreio = 0;
if (desc->pg_recoalesce)
return 0;
/* retry add_request for this subreq */
@@ -982,6 +981,7 @@
desc->pg_count = 0;
desc->pg_base = 0;
desc->pg_recoalesce = 0;
+ desc->pg_moreio = 0;
while (!list_empty(&head)) {
struct nfs_page *req;
