buffer: remove folio_create_empty_buffers()

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

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);

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@ -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;

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@ -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;

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@ -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));
}

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@ -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))

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@ -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,

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@ -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 */

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@ -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;

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@ -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);

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@ -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);

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@ -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);

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@ -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;

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@ -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;

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@ -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;

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@ -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) {

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@ -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));
/*

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@ -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;
}

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@ -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);