The patch titled
Subject: buffer: use b_folio in touch_buffer()
has been added to the -mm mm-unstable branch. Its filename is
buffer-use-b_folio-in-touch_buffer.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/buffer-use-b_folio-in-touch_buffer.patch
This patch will later appear in the mm-unstable branch at
git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
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------------------------------------------------------
From: "Matthew Wilcox (Oracle)" <willy@xxxxxxxxxxxxx>
Subject: buffer: use b_folio in touch_buffer()
Date: Thu, 15 Dec 2022 21:43:53 +0000
Removes a call to compound_head() in this path.
Link: https://lkml.kernel.org/r/20221215214402.3522366-4-willy@xxxxxxxxxxxxx
Signed-off-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
fs/buffer.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/fs/buffer.c~buffer-use-b_folio-in-touch_buffer
+++ a/fs/buffer.c
@@ -60,7 +60,7 @@ static void submit_bh_wbc(blk_opf_t opf,
inline void touch_buffer(struct buffer_head *bh)
{
trace_block_touch_buffer(bh);
- mark_page_accessed(bh->b_page);
+ folio_mark_accessed(bh->b_folio);
}
EXPORT_SYMBOL(touch_buffer);
_
Patches currently in -mm which might be from willy@xxxxxxxxxxxxx are
buffer-add-b_folio-as-an-alias-of-b_page.patch
buffer-replace-obvious-uses-of-b_page-with-b_folio.patch
buffer-use-b_folio-in-touch_buffer.patch
buffer-use-b_folio-in-end_buffer_async_read.patch
buffer-use-b_folio-in-end_buffer_async_write.patch
page_io-remove-buffer_head-include.patch
buffer-use-b_folio-in-mark_buffer_dirty.patch
gfs2-replace-obvious-uses-of-b_page-with-b_folio.patch
jbd2-replace-obvious-uses-of-b_page-with-b_folio.patch
nilfs2-replace-obvious-uses-of-b_page-with-b_folio.patch
reiserfs-replace-obvious-uses-of-b_page-with-b_folio.patch
mpage-use-b_folio-in-do_mpage_readpage.patch
