From: trondmy@kernel.org
To: Anna Schumaker <Anna.Schumaker@netapp.com>
Cc: linux-nfs@vger.kernel.org
Subject: [PATCH v2 01/18] NFS: Fix for xfstests generic/208
Date: Thu, 19 Jan 2023 16:33:34 -0500 [thread overview]
Message-ID: <20230119213351.443388-2-trondmy@kernel.org> (raw)
In-Reply-To: <20230119213351.443388-1-trondmy@kernel.org>
From: Trond Myklebust <trond.myklebust@hammerspace.com>
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>
---
fs/nfs/pagelist.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/fs/nfs/pagelist.c b/fs/nfs/pagelist.c
index 16be6dae524f..369e4553399a 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
next prev parent reply other threads:[~2023-01-20 5:10 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-01-19 21:33 [PATCH v2 00/18] Initial conversion of NFS basic I/O to use folios trondmy
2023-01-19 21:33 ` trondmy [this message]
2023-01-19 21:33 ` [PATCH v2 02/18] NFS: Add basic functionality for tracking folios in struct nfs_page trondmy
2023-01-19 21:33 ` [PATCH v2 03/18] NFS: Support folios in nfs_generic_pgio() trondmy
2023-01-19 21:33 ` [PATCH v2 04/18] NFS: Fix nfs_coalesce_size() to work with folios trondmy
2023-01-19 21:33 ` [PATCH v2 05/18] NFS: Add a helper to convert a struct nfs_page into an inode trondmy
2023-01-19 21:33 ` [PATCH v2 06/18] NFS: Convert the remaining pagelist helper functions to support folios trondmy
2023-01-19 21:33 ` [PATCH v2 07/18] NFS: Add a helper nfs_wb_folio() trondmy
2023-01-19 21:33 ` [PATCH v2 08/18] NFS: Convert buffered reads to use folios trondmy
2023-01-19 21:33 ` [PATCH v2 09/18] NFS: Convert the function nfs_wb_page() " trondmy
2023-01-19 21:33 ` [PATCH v2 10/18] NFS: Convert buffered writes " trondmy
2023-01-19 21:33 ` [PATCH v2 11/18] NFS: Remove unused function nfs_wb_page() trondmy
2023-01-19 21:33 ` [PATCH v2 12/18] NFS: Convert nfs_write_begin/end to use folios trondmy
2023-01-19 21:33 ` [PATCH v2 13/18] NFS: Fix up nfs_vm_page_mkwrite() for folios trondmy
2023-01-19 21:33 ` [PATCH v2 14/18] NFS: Clean up O_DIRECT request allocation trondmy
2023-01-19 21:33 ` [PATCH v2 15/18] NFS: fix up nfs_release_folio() to try to release the page trondmy
2023-01-19 21:33 ` [PATCH v2 16/18] NFS: Enable tracing of nfs_invalidate_folio() and nfs_launder_folio() trondmy
2023-01-19 21:33 ` [PATCH v2 17/18] NFS: Improve tracing of nfs_wb_folio() trondmy
2023-01-19 21:33 ` [PATCH v2 18/18] NFS: Remove unnecessary check in nfs_read_folio() trondmy
2023-02-23 13:22 ` Matthew Wilcox
2023-02-23 13:43 ` Dan Carpenter
2023-01-24 16:07 ` [PATCH v2 00/18] Initial conversion of NFS basic I/O to use folios Olga Kornievskaia
2023-01-24 16:41 ` Trond Myklebust
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