The patch titled
Subject: ocfs2: support large folios in ocfs2_write_zero_page()
has been added to the -mm mm-nonmm-unstable branch. Its filename is
ocfs2-support-large-folios-in-ocfs2_write_zero_page.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/ocfs2-support-large-folios-in-ocfs2_write_zero_page.patch
This patch will later appear in the mm-nonmm-unstable branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
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------------------------------------------------------
From: Mark Tinguely <mark.tinguely@xxxxxxxxxx>
Subject: ocfs2: support large folios in ocfs2_write_zero_page()
Date: Thu, 5 Dec 2024 17:16:51 +0000
Remove assumptions that a folio is PAGE_SIZE.
Link: https://lkml.kernel.org/r/20241205171653.3179945-24-willy@xxxxxxxxxxxxx
Signed-off-by: Mark Tinguely <mark.tinguely@xxxxxxxxxx>
Signed-off-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx>
Reviewed-by: Joseph Qi <joseph.qi@xxxxxxxxxxxxxxxxx>
Cc: Changwei Ge <gechangwei@xxxxxxx>
Cc: Joel Becker <jlbec@xxxxxxxxxxxx>
Cc: Jun Piao <piaojun@xxxxxxxxxx>
Cc: Junxiao Bi <junxiao.bi@xxxxxxxxxx>
Cc: Mark Fasheh <mark@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
fs/ocfs2/file.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
--- a/fs/ocfs2/file.c~ocfs2-support-large-folios-in-ocfs2_write_zero_page
+++ a/fs/ocfs2/file.c
@@ -782,11 +782,11 @@ static int ocfs2_write_zero_page(struct
goto out_commit_trans;
}
- /* Get the offsets within the page that we want to zero */
- zero_from = abs_from & (PAGE_SIZE - 1);
- zero_to = abs_to & (PAGE_SIZE - 1);
+ /* Get the offsets within the folio that we want to zero */
+ zero_from = offset_in_folio(folio, abs_from);
+ zero_to = offset_in_folio(folio, abs_to);
if (!zero_to)
- zero_to = PAGE_SIZE;
+ zero_to = folio_size(folio);
trace_ocfs2_write_zero_page(
(unsigned long long)OCFS2_I(inode)->ip_blkno,
_
Patches currently in -mm which might be from mark.tinguely@xxxxxxxxxx are
ocfs2-convert-w_target_page-to-w_target_folio.patch
ocfs2-use-a-folio-in-ocfs2_zero_new_buffers.patch
ocfs2-use-a-folio-in-ocfs2_write_begin_inline.patch
ocfs2-convert-ocfs2_readpage_inline-to-take-a-folio.patch
ocfs2-convert-ocfs2_inode_lock_with_page-to-ocfs2_inode_lock_with_folio.patch
ocfs2-convert-w_pages-to-w_folios.patch
ocfs2-convert-ocfs2_write_failure-to-use-a-folio.patch
ocfs2-use-a-folio-in-ocfs2_write_end_nolock.patch
ocfs2-use-a-folio-in-ocfs2_prepare_page_for_write.patch
ocfs2-use-a-folio-in-ocfs2_map_and_dirty_page.patch
ocfs2-convert-ocfs2_map_page_blocks-to-ocfs2_map_folio_blocks.patch
ocfs2-convert-ocfs2_clear_page_regions-to-ocfs2_clear_folio_regions.patch
ocfs2-use-an-array-of-folios-instead-of-an-array-of-pages.patch
ocfs2-convert-ocfs2_duplicate_clusters_by_page-to-use-a-folio.patch
ocfs2-convert-ocfs2_map_and_dirty_page-to-ocfs2_map_and_dirty_folio.patch
ocfs2-support-large-folios-in-ocfs2_zero_cluster_folios.patch
ocfs2-support-large-folios-in-ocfs2_write_zero_page.patch
