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buffer: remove folio_create_empty_buffers()

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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@infradead.org
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Andreas Gruenbacher <agruenba@redhat.com>
Cc: Pankaj Raghav <p.raghav@samsung.com>
Cc: Ryusuke Konishi <konishi.ryusuke@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This commit is contained in:
Matthew Wilcox (Oracle) 2023-10-16 21:11:14 +01:00 committed by Andrew Morton
parent c9f2480ed7
commit 0a88810d9b
18 changed files with 25 additions and 34 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
fs/buffer.c
View File

@ -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_buffers(struct folio *folio,
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_buffers(struct folio *folio,
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_space *mapping,
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);

6
fs/ext4/inode.c
View File

@ -1021,7 +1021,7 @@ static int ext4_block_write_begin(struct folio *folio, loff_t pos, unsigned len,
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(handle_t *handle,
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;

4
fs/ext4/move_extent.c
View File

@ -184,7 +184,7 @@ mext_page_mkuptodate(struct folio *folio, unsigned from, unsigned to)
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;

2
fs/gfs2/aops.c
View File

@ -130,7 +130,7 @@ static int __gfs2_jdata_write_folio(struct folio *folio,
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));
}

2
fs/gfs2/bmap.c
View File

@ -71,7 +71,7 @@ static int gfs2_unstuffer_folio(struct gfs2_inode *ip, struct buffer_head *dibh,
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))

2
fs/gfs2/meta_io.c
View File

@ -134,7 +134,7 @@ struct buffer_head *gfs2_getbuf(struct gfs2_glock *gl, u64 blkno, int create)
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,

2
fs/gfs2/quota.c
View File

@ -763,7 +763,7 @@ static int gfs2_write_buf_to_page(struct gfs2_sbd *sdp, unsigned long index,
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 */

2
fs/mpage.c
View File

@ -119,7 +119,7 @@ static void map_buffer_to_folio(struct folio *folio, struct buffer_head *bh,
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;

2
fs/nilfs2/mdt.c
View File

@ -568,7 +568,7 @@ int nilfs_mdt_freeze_buffer(struct inode *inode, struct buffer_head *bh)
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);

4
fs/nilfs2/page.c
View File

@ -34,7 +34,7 @@ static struct buffer_head *__nilfs_get_folio_block(struct folio *folio,
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 folio *dst, struct folio *src,
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);

2
fs/nilfs2/segment.c
View File

@ -732,7 +732,7 @@ static size_t nilfs_lookup_dirty_data_buffers(struct inode *inode,
}
head = folio_buffers(folio);
if (!head)
head = folio_create_empty_buffers(folio,
head = create_empty_buffers(folio,
i_blocksize(inode), 0);
folio_unlock(folio);

4
fs/ntfs/aops.c
View File

@ -189,7 +189,7 @@ static int ntfs_read_block(struct folio *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 *folio, struct writeback_control *wbc)
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;

2
fs/ntfs/file.c
View File

@ -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;

2
fs/ntfs3/file.c
View File

@ -203,7 +203,7 @@ static int ntfs_zero_range(struct inode *inode, u64 vbo, u64 vbo_to)
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;

2
fs/ocfs2/aops.c
View File

@ -601,7 +601,7 @@ int ocfs2_map_page_blocks(struct page *page, u64 *p_blkno,
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) {

2
fs/reiserfs/inode.c
View File

@ -2539,7 +2539,7 @@ static int reiserfs_write_full_folio(struct folio *folio,
*/
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));
/*

2
fs/ufs/util.c
View File

@ -264,6 +264,6 @@ struct folio *ufs_get_locked_folio(struct address_space *mapping,
}
}
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;
}

4
include/linux/buffer_head.h
View File

@ -201,9 +201,7 @@ struct buffer_head *folio_alloc_buffers(struct folio *folio, unsigned long size,
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);