The quilt patch titled
Subject: buffer: remove folio_create_empty_buffers()
has been removed from the -mm tree. Its filename was
buffer-remove-folio_create_empty_buffers.patch
This patch was dropped because it was merged into the mm-stable branch
of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
------------------------------------------------------
From: "Matthew Wilcox (Oracle)" <willy@xxxxxxxxxxxxx>
Subject: buffer: remove folio_create_empty_buffers()
Date: Mon, 16 Oct 2023 21:11:14 +0100
With all users converted, remove the old create_empty_buffers() and rename
folio_create_empty_buffers() to create_empty_buffers().
Link: https://lkml.kernel.org/r/20231016201114.1928083-28-willy@xxxxxxxxxxxxx
Signed-off-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx>
Cc: Andreas Gruenbacher <agruenba@xxxxxxxxxx>
Cc: Pankaj Raghav <p.raghav@xxxxxxxxxxx>
Cc: Ryusuke Konishi <konishi.ryusuke@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
fs/buffer.c | 13 +++----------
fs/ext4/inode.c | 6 +++---
fs/ext4/move_extent.c | 4 ++--
fs/gfs2/aops.c | 2 +-
fs/gfs2/bmap.c | 2 +-
fs/gfs2/meta_io.c | 2 +-
fs/gfs2/quota.c | 2 +-
fs/mpage.c | 2 +-
fs/nilfs2/mdt.c | 2 +-
fs/nilfs2/page.c | 4 ++--
fs/nilfs2/segment.c | 2 +-
fs/ntfs/aops.c | 4 ++--
fs/ntfs/file.c | 2 +-
fs/ntfs3/file.c | 2 +-
fs/ocfs2/aops.c | 2 +-
fs/reiserfs/inode.c | 2 +-
fs/ufs/util.c | 2 +-
include/linux/buffer_head.h | 4 +---
18 files changed, 25 insertions(+), 34 deletions(-)
--- a/fs/buffer.c~buffer-remove-folio_create_empty_buffers
+++ a/fs/buffer.c
@@ -1641,7 +1641,7 @@ EXPORT_SYMBOL(block_invalidate_folio);
* block_dirty_folio() via private_lock. try_to_free_buffers
* is already excluded via the folio lock.
*/
-struct buffer_head *folio_create_empty_buffers(struct folio *folio,
+struct buffer_head *create_empty_buffers(struct folio *folio,
unsigned long blocksize, unsigned long b_state)
{
struct buffer_head *bh, *head, *tail;
@@ -1672,13 +1672,6 @@ struct buffer_head *folio_create_empty_b
return head;
}
-EXPORT_SYMBOL(folio_create_empty_buffers);
-
-void create_empty_buffers(struct page *page,
- unsigned long blocksize, unsigned long b_state)
-{
- folio_create_empty_buffers(page_folio(page), blocksize, b_state);
-}
EXPORT_SYMBOL(create_empty_buffers);
/**
@@ -1778,7 +1771,7 @@ static struct buffer_head *folio_create_
bh = folio_buffers(folio);
if (!bh)
- bh = folio_create_empty_buffers(folio,
+ bh = create_empty_buffers(folio,
1 << READ_ONCE(inode->i_blkbits), b_state);
return bh;
}
@@ -2681,7 +2674,7 @@ int block_truncate_page(struct address_s
bh = folio_buffers(folio);
if (!bh)
- bh = folio_create_empty_buffers(folio, blocksize, 0);
+ bh = create_empty_buffers(folio, blocksize, 0);
/* Find the buffer that contains "offset" */
offset = offset_in_folio(folio, from);
--- a/fs/ext4/inode.c~buffer-remove-folio_create_empty_buffers
+++ a/fs/ext4/inode.c
@@ -1021,7 +1021,7 @@ static int ext4_block_write_begin(struct
head = folio_buffers(folio);
if (!head)
- head = folio_create_empty_buffers(folio, blocksize, 0);
+ head = create_empty_buffers(folio, blocksize, 0);
bbits = ilog2(blocksize);
block = (sector_t)folio->index << (PAGE_SHIFT - bbits);
@@ -1151,7 +1151,7 @@ retry_grab:
* starting the handle.
*/
if (!folio_buffers(folio))
- folio_create_empty_buffers(folio, inode->i_sb->s_blocksize, 0);
+ create_empty_buffers(folio, inode->i_sb->s_blocksize, 0);
folio_unlock(folio);
@@ -3642,7 +3642,7 @@ static int __ext4_block_zero_page_range(
bh = folio_buffers(folio);
if (!bh)
- bh = folio_create_empty_buffers(folio, blocksize, 0);
+ bh = create_empty_buffers(folio, blocksize, 0);
/* Find the buffer that contains "offset" */
pos = blocksize;
--- a/fs/ext4/move_extent.c~buffer-remove-folio_create_empty_buffers
+++ a/fs/ext4/move_extent.c
@@ -184,7 +184,7 @@ mext_page_mkuptodate(struct folio *folio
blocksize = i_blocksize(inode);
head = folio_buffers(folio);
if (!head)
- head = folio_create_empty_buffers(folio, blocksize, 0);
+ head = create_empty_buffers(folio, blocksize, 0);
block = (sector_t)folio->index << (PAGE_SHIFT - inode->i_blkbits);
for (bh = head, block_start = 0; bh != head || !block_start;
@@ -380,7 +380,7 @@ data_copy:
* but keeping in mind that i_size will not change */
bh = folio_buffers(folio[0]);
if (!bh)
- bh = folio_create_empty_buffers(folio[0],
+ bh = create_empty_buffers(folio[0],
1 << orig_inode->i_blkbits, 0);
for (i = 0; i < data_offset_in_page; i++)
bh = bh->b_this_page;
--- a/fs/gfs2/aops.c~buffer-remove-folio_create_empty_buffers
+++ a/fs/gfs2/aops.c
@@ -130,7 +130,7 @@ static int __gfs2_jdata_write_folio(stru
if (folio_test_checked(folio)) {
folio_clear_checked(folio);
if (!folio_buffers(folio)) {
- folio_create_empty_buffers(folio,
+ create_empty_buffers(folio,
inode->i_sb->s_blocksize,
BIT(BH_Dirty)|BIT(BH_Uptodate));
}
--- a/fs/gfs2/bmap.c~buffer-remove-folio_create_empty_buffers
+++ a/fs/gfs2/bmap.c
@@ -71,7 +71,7 @@ static int gfs2_unstuffer_folio(struct g
struct buffer_head *bh = folio_buffers(folio);
if (!bh)
- bh = folio_create_empty_buffers(folio,
+ bh = create_empty_buffers(folio,
BIT(inode->i_blkbits), BIT(BH_Uptodate));
if (!buffer_mapped(bh))
--- a/fs/gfs2/meta_io.c~buffer-remove-folio_create_empty_buffers
+++ a/fs/gfs2/meta_io.c
@@ -134,7 +134,7 @@ struct buffer_head *gfs2_getbuf(struct g
mapping_gfp_mask(mapping) | __GFP_NOFAIL);
bh = folio_buffers(folio);
if (!bh)
- bh = folio_create_empty_buffers(folio,
+ bh = create_empty_buffers(folio,
sdp->sd_sb.sb_bsize, 0);
} else {
folio = __filemap_get_folio(mapping, index,
--- a/fs/gfs2/quota.c~buffer-remove-folio_create_empty_buffers
+++ a/fs/gfs2/quota.c
@@ -763,7 +763,7 @@ static int gfs2_write_buf_to_page(struct
return PTR_ERR(folio);
bh = folio_buffers(folio);
if (!bh)
- bh = folio_create_empty_buffers(folio, bsize, 0);
+ bh = create_empty_buffers(folio, bsize, 0);
for (;;) {
/* Find the beginning block within the folio */
--- a/fs/mpage.c~buffer-remove-folio_create_empty_buffers
+++ a/fs/mpage.c
@@ -119,7 +119,7 @@ static void map_buffer_to_folio(struct f
folio_mark_uptodate(folio);
return;
}
- head = folio_create_empty_buffers(folio, i_blocksize(inode), 0);
+ head = create_empty_buffers(folio, i_blocksize(inode), 0);
}
page_bh = head;
--- a/fs/nilfs2/mdt.c~buffer-remove-folio_create_empty_buffers
+++ a/fs/nilfs2/mdt.c
@@ -568,7 +568,7 @@ int nilfs_mdt_freeze_buffer(struct inode
bh_frozen = folio_buffers(folio);
if (!bh_frozen)
- bh_frozen = folio_create_empty_buffers(folio, 1 << blkbits, 0);
+ bh_frozen = create_empty_buffers(folio, 1 << blkbits, 0);
bh_frozen = get_nth_bh(bh_frozen, bh_offset(bh) >> blkbits);
--- a/fs/nilfs2/page.c~buffer-remove-folio_create_empty_buffers
+++ a/fs/nilfs2/page.c
@@ -34,7 +34,7 @@ static struct buffer_head *__nilfs_get_f
struct buffer_head *bh = folio_buffers(folio);
if (!bh)
- bh = folio_create_empty_buffers(folio, 1 << blkbits, b_state);
+ bh = create_empty_buffers(folio, 1 << blkbits, b_state);
first_block = (unsigned long)index << (PAGE_SHIFT - blkbits);
bh = get_nth_bh(bh, block - first_block);
@@ -204,7 +204,7 @@ static void nilfs_copy_folio(struct foli
sbh = folio_buffers(src);
dbh = folio_buffers(dst);
if (!dbh)
- dbh = folio_create_empty_buffers(dst, sbh->b_size, 0);
+ dbh = create_empty_buffers(dst, sbh->b_size, 0);
if (copy_dirty)
mask |= BIT(BH_Dirty);
--- a/fs/nilfs2/segment.c~buffer-remove-folio_create_empty_buffers
+++ a/fs/nilfs2/segment.c
@@ -732,7 +732,7 @@ static size_t nilfs_lookup_dirty_data_bu
}
head = folio_buffers(folio);
if (!head)
- head = folio_create_empty_buffers(folio,
+ head = create_empty_buffers(folio,
i_blocksize(inode), 0);
folio_unlock(folio);
--- a/fs/ntfs3/file.c~buffer-remove-folio_create_empty_buffers
+++ a/fs/ntfs3/file.c
@@ -203,7 +203,7 @@ static int ntfs_zero_range(struct inode
head = folio_buffers(folio);
if (!head)
- head = folio_create_empty_buffers(folio, blocksize, 0);
+ head = create_empty_buffers(folio, blocksize, 0);
bh = head;
bh_off = 0;
--- a/fs/ntfs/aops.c~buffer-remove-folio_create_empty_buffers
+++ a/fs/ntfs/aops.c
@@ -189,7 +189,7 @@ static int ntfs_read_block(struct folio
head = folio_buffers(folio);
if (!head)
- head = folio_create_empty_buffers(folio, blocksize, 0);
+ head = create_empty_buffers(folio, blocksize, 0);
bh = head;
/*
@@ -555,7 +555,7 @@ static int ntfs_write_block(struct folio
head = folio_buffers(folio);
if (!head) {
BUG_ON(!folio_test_uptodate(folio));
- head = folio_create_empty_buffers(folio, blocksize,
+ head = create_empty_buffers(folio, blocksize,
(1 << BH_Uptodate) | (1 << BH_Dirty));
}
bh = head;
--- a/fs/ntfs/file.c~buffer-remove-folio_create_empty_buffers
+++ a/fs/ntfs/file.c
@@ -625,7 +625,7 @@ do_next_folio:
* create_empty_buffers() will create uptodate/dirty
* buffers if the folio is uptodate/dirty.
*/
- head = folio_create_empty_buffers(folio, blocksize, 0);
+ head = create_empty_buffers(folio, blocksize, 0);
bh = head;
do {
VCN cdelta;
--- a/fs/ocfs2/aops.c~buffer-remove-folio_create_empty_buffers
+++ a/fs/ocfs2/aops.c
@@ -601,7 +601,7 @@ int ocfs2_map_page_blocks(struct page *p
head = folio_buffers(folio);
if (!head)
- head = folio_create_empty_buffers(folio, bsize, 0);
+ head = create_empty_buffers(folio, bsize, 0);
for (bh = head, block_start = 0; bh != head || !block_start;
bh = bh->b_this_page, block_start += bsize) {
--- a/fs/reiserfs/inode.c~buffer-remove-folio_create_empty_buffers
+++ a/fs/reiserfs/inode.c
@@ -2539,7 +2539,7 @@ static int reiserfs_write_full_folio(str
*/
head = folio_buffers(folio);
if (!head)
- head = folio_create_empty_buffers(folio, s->s_blocksize,
+ head = create_empty_buffers(folio, s->s_blocksize,
(1 << BH_Dirty) | (1 << BH_Uptodate));
/*
--- a/fs/ufs/util.c~buffer-remove-folio_create_empty_buffers
+++ a/fs/ufs/util.c
@@ -264,6 +264,6 @@ struct folio *ufs_get_locked_folio(struc
}
}
if (!folio_buffers(folio))
- folio_create_empty_buffers(folio, 1 << inode->i_blkbits, 0);
+ create_empty_buffers(folio, 1 << inode->i_blkbits, 0);
return folio;
}
--- a/include/linux/buffer_head.h~buffer-remove-folio_create_empty_buffers
+++ a/include/linux/buffer_head.h
@@ -201,9 +201,7 @@ struct buffer_head *folio_alloc_buffers(
gfp_t gfp);
struct buffer_head *alloc_page_buffers(struct page *page, unsigned long size,
bool retry);
-void create_empty_buffers(struct page *, unsigned long,
- unsigned long b_state);
-struct buffer_head *folio_create_empty_buffers(struct folio *folio,
+struct buffer_head *create_empty_buffers(struct folio *folio,
unsigned long blocksize, unsigned long b_state);
void end_buffer_read_sync(struct buffer_head *bh, int uptodate);
void end_buffer_write_sync(struct buffer_head *bh, int uptodate);
_
Patches currently in -mm which might be from willy@xxxxxxxxxxxxx are
