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f2fs: Use folio in f2fs_read_merkle_tree_page

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Use folio in f2fs_read_merkle_tree_page to reduce folio & page converisons
from find_get_page_flags and read_mapping_page functions. But the return
value should be the exact page.

Signed-off-by: HuangXiaojia <huangxiaojia2@huawei.com>
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
HuangXiaojia 2024-02-01 15:38:58 +08:00 committed by Jaegeuk Kim
parent 40b2d55e04
commit 1ff61a3205
1 changed files with 9 additions and 7 deletions
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16
fs/f2fs/verity.c
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@ -258,21 +258,23 @@ static struct page *f2fs_read_merkle_tree_page(struct inode *inode,
pgoff_t index,
unsigned long num_ra_pages)
{
struct page *page;
struct folio *folio;
index += f2fs_verity_metadata_pos(inode) >> PAGE_SHIFT;
page = find_get_page_flags(inode->i_mapping, index, FGP_ACCESSED);
if (!page || !PageUptodate(page)) {
folio = __filemap_get_folio(inode->i_mapping, index, FGP_ACCESSED, 0);
if (IS_ERR(folio) || !folio_test_uptodate(folio)) {
DEFINE_READAHEAD(ractl, NULL, NULL, inode->i_mapping, index);
if (page)
put_page(page);
if (!IS_ERR(folio))
folio_put(folio);
else if (num_ra_pages > 1)
page_cache_ra_unbounded(&ractl, num_ra_pages, 0);
page = read_mapping_page(inode->i_mapping, index, NULL);
folio = read_mapping_folio(inode->i_mapping, index, NULL);
if (IS_ERR(folio))
return ERR_CAST(folio);
}
return page;
return folio_file_page(folio, index);
}
static int f2fs_write_merkle_tree_block(struct inode *inode, const void *buf,