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ext4: convert to folio_create_empty_buffers

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Remove an unnecessary folio->page->folio conversion and take advantage of
the new return value from folio_create_empty_buffers().

Link: https://lkml.kernel.org/r/20231016201114.1928083-5-willy@infradead.org
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Pankaj Raghav <p.raghav@samsung.com>
Cc: Andreas Gruenbacher <agruenba@redhat.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 21:10:51 +01:00
committed by Andrew Morton
parent 4f05f139e3
commit d405999367
2 changed files with 10 additions and 15 deletions
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11
fs/ext4/move_extent.c
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@@ -183,10 +183,8 @@ mext_page_mkuptodate(struct folio *folio, unsigned from, unsigned to)
blocksize = i_blocksize(inode);
head = folio_buffers(folio);
if (!head) {
create_empty_buffers(&folio->page, blocksize, 0);
head = folio_buffers(folio);
}
if (!head)
head = folio_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;
@@ -380,9 +378,10 @@ data_copy:
}
/* Perform all necessary steps similar write_begin()/write_end()
* but keeping in mind that i_size will not change */
if (!folio_buffers(folio[0]))
create_empty_buffers(&folio[0]->page, 1 << orig_inode->i_blkbits, 0);
bh = folio_buffers(folio[0]);
if (!bh)
bh = folio_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;
for (i = 0; i < block_len_in_page; i++) {