The patch titled
Subject: reiserfs: replace obvious uses of b_page with b_folio
has been added to the -mm mm-unstable branch. Its filename is
reiserfs-replace-obvious-uses-of-b_page-with-b_folio.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/reiserfs-replace-obvious-uses-of-b_page-with-b_folio.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: reiserfs: replace obvious uses of b_page with b_folio
Date: Thu, 15 Dec 2022 21:44:01 +0000
These places just use b_page to get to the buffer's address_space or call
page_folio() on b_page to get a folio.
Link: https://lkml.kernel.org/r/20221215214402.3522366-12-willy@xxxxxxxxxxxxx
Signed-off-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
fs/reiserfs/journal.c | 4 ++--
fs/reiserfs/tail_conversion.c | 2 +-
2 files changed, 3 insertions(+), 3 deletions(-)
--- a/fs/reiserfs/journal.c~reiserfs-replace-obvious-uses-of-b_page-with-b_folio
+++ a/fs/reiserfs/journal.c
@@ -601,7 +601,7 @@ static int journal_list_still_alive(stru
*/
static void release_buffer_page(struct buffer_head *bh)
{
- struct folio *folio = page_folio(bh->b_page);
+ struct folio *folio = bh->b_folio;
if (!folio->mapping && folio_trylock(folio)) {
folio_get(folio);
put_bh(bh);
@@ -866,7 +866,7 @@ loop_next:
* will ever write the buffer. We're safe if we write the
* page one last time after freeing the journal header.
*/
- if (buffer_dirty(bh) && unlikely(bh->b_page->mapping == NULL)) {
+ if (buffer_dirty(bh) && unlikely(bh->b_folio->mapping == NULL)) {
spin_unlock(lock);
write_dirty_buffer(bh, 0);
spin_lock(lock);
--- a/fs/reiserfs/tail_conversion.c~reiserfs-replace-obvious-uses-of-b_page-with-b_folio
+++ a/fs/reiserfs/tail_conversion.c
@@ -177,7 +177,7 @@ void reiserfs_unmap_buffer(struct buffer
* BUG() on attempt to write not mapped buffer
*/
if ((!list_empty(&bh->b_assoc_buffers) || bh->b_private) && bh->b_page) {
- struct inode *inode = bh->b_page->mapping->host;
+ struct inode *inode = bh->b_folio->mapping->host;
struct reiserfs_journal *j = SB_JOURNAL(inode->i_sb);
spin_lock(&j->j_dirty_buffers_lock);
list_del_init(&bh->b_assoc_buffers);
_
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
