The patch titled
Subject: buffer: remove set_bh_page()
has been added to the -mm mm-unstable branch. Its filename is
buffer-remove-set_bh_page.patch
This patch will shortly appear at
https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/buffer-remove-set_bh_page.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: remove set_bh_page()
Date: Thu, 13 Jul 2023 04:55:12 +0100
With all users converted to folio_set_bh(), remove this function.
Link: https://lkml.kernel.org/r/20230713035512.4139457-8-willy@xxxxxxxxxxxxx
Signed-off-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx>
Cc: Alexander Viro <viro@xxxxxxxxxxxxxxxxxx>
Cc: Christian Brauner <brauner@xxxxxxxxxx>
Cc: David Sterba <dsterba@xxxxxxxx>
Cc: Jan Kara <jack@xxxxxxxx>
Cc: Konstantin Komarov <almaz.alexandrovich@xxxxxxxxxxxxxxxxxxxx>
Cc: Nathan Chancellor <nathan@xxxxxxxxxx>
Cc: Nick Desaulniers <ndesaulniers@xxxxxxxxxx>
Cc: Pankaj Raghav <p.raghav@xxxxxxxxxxx>
Cc: "Theodore Ts'o" <tytso@xxxxxxx>
Cc: Tom Rix <trix@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
fs/buffer.c | 15 ---------------
include/linux/buffer_head.h | 2 --
2 files changed, 17 deletions(-)
--- a/fs/buffer.c~buffer-remove-set_bh_page
+++ a/fs/buffer.c
@@ -1539,21 +1539,6 @@ void invalidate_bh_lrus_cpu(void)
bh_lru_unlock();
}
-void set_bh_page(struct buffer_head *bh,
- struct page *page, unsigned long offset)
-{
- bh->b_page = page;
- BUG_ON(offset >= PAGE_SIZE);
- if (PageHighMem(page))
- /*
- * This catches illegal uses and preserves the offset:
- */
- bh->b_data = (char *)(0 + offset);
- else
- bh->b_data = page_address(page) + offset;
-}
-EXPORT_SYMBOL(set_bh_page);
-
void folio_set_bh(struct buffer_head *bh, struct folio *folio,
unsigned long offset)
{
--- a/include/linux/buffer_head.h~buffer-remove-set_bh_page
+++ a/include/linux/buffer_head.h
@@ -194,8 +194,6 @@ void buffer_check_dirty_writeback(struct
void mark_buffer_dirty(struct buffer_head *bh);
void mark_buffer_write_io_error(struct buffer_head *bh);
void touch_buffer(struct buffer_head *bh);
-void set_bh_page(struct buffer_head *bh,
- struct page *page, unsigned long offset);
void folio_set_bh(struct buffer_head *bh, struct folio *folio,
unsigned long offset);
bool try_to_free_buffers(struct folio *);
_
Patches currently in -mm which might be from willy@xxxxxxxxxxxxx are
rmap-pass-the-folio-to-__page_check_anon_rmap.patch
highmem-add-memcpy_to_folio-and-memcpy_from_folio.patch
affs-convert-affs_symlink_read_folio-to-use-the-folio.patch
affs-convert-data-read-and-write-to-use-folios.patch
migrate-use-folio_set_bh-instead-of-set_bh_page.patch
ntfs3-convert-ntfs_get_block_vbo-to-use-a-folio.patch
jbd2-use-a-folio-in-jbd2_journal_write_metadata_buffer.patch
buffer-remove-set_bh_page.patch
