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NFS: Fix for xfstests generic/208

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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@hammerspace.com>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
This commit is contained in:
Trond Myklebust 2023-01-19 16:33:34 -05:00 committed by Anna Schumaker
parent ceaa837f96
commit 785207aa3d
1 changed files with 3 additions and 0 deletions
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3
fs/nfs/pagelist.c
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@ -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)