From: Trond Myklebust <trond.myklebust@xxxxxxxxxxxxxxx>
If the same page and data is being used for multiple requests,
then ignore that when the request indicates we're reading from the start
of the page.
Signed-off-by: Trond Myklebust <trond.myklebust@xxxxxxxxxxxxxxx>
---
fs/nfs/pagelist.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/fs/nfs/pagelist.c b/fs/nfs/pagelist.c
index 317cedfa52bf..b4b3e80e64cd 100644
--- a/fs/nfs/pagelist.c
+++ b/fs/nfs/pagelist.c
@@ -920,6 +920,9 @@ int nfs_generic_pgio(struct nfs_pageio_descriptor *desc,
req = nfs_list_entry(head->next);
nfs_list_move_request(req, &hdr->pages);
+ if (req->wb_pgbase == 0)
+ last_page = NULL;
+
if (!last_page || last_page != req->wb_page) {
pageused++;
if (pageused > pagecount)
--
2.39.0
