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f2fs: Use a folio in f2fs_cache_compressed_page()

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Look up a folio instead of a page, and if that fails, allocate a folio.
Removes five calls to compound_head(), one of the last few references to
add_to_page_cache_lru() and honours the cpuset_do_page_mem_spread()
setting.

Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Matthew Wilcox (Oracle) 2025-03-31 21:12:38 +01:00 committed by Jaegeuk Kim
parent 47d73eae3a
commit 3d56058c55
1 changed files with 12 additions and 12 deletions
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24
fs/f2fs/compress.c
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@ -1928,7 +1928,7 @@ void f2fs_invalidate_compress_pages_range(struct f2fs_sb_info *sbi,
void f2fs_cache_compressed_page(struct f2fs_sb_info *sbi, struct page *page,
nid_t ino, block_t blkaddr)
{
struct page *cpage;
struct folio *cfolio;
int ret;
if (!test_opt(sbi, COMPRESS_CACHE))
@ -1940,28 +1940,28 @@ void f2fs_cache_compressed_page(struct f2fs_sb_info *sbi, struct page *page,
if (!f2fs_available_free_memory(sbi, COMPRESS_PAGE))
return;
cpage = find_get_page(COMPRESS_MAPPING(sbi), blkaddr);
if (cpage) {
f2fs_put_page(cpage, 0);
cfolio = filemap_get_folio(COMPRESS_MAPPING(sbi), blkaddr);
if (!IS_ERR(cfolio)) {
f2fs_folio_put(cfolio, false);
return;
}
cpage = alloc_page(__GFP_NOWARN | __GFP_IO);
if (!cpage)
cfolio = filemap_alloc_folio(__GFP_NOWARN | __GFP_IO, 0);
if (!cfolio)
return;
ret = add_to_page_cache_lru(cpage, COMPRESS_MAPPING(sbi),
ret = filemap_add_folio(COMPRESS_MAPPING(sbi), cfolio,
blkaddr, GFP_NOFS);
if (ret) {
f2fs_put_page(cpage, 0);
f2fs_folio_put(cfolio, false);
return;
}
set_page_private_data(cpage, ino);
set_page_private_data(&cfolio->page, ino);
memcpy(page_address(cpage), page_address(page), PAGE_SIZE);
SetPageUptodate(cpage);
f2fs_put_page(cpage, 1);
memcpy(folio_address(cfolio), page_address(page), PAGE_SIZE);
folio_mark_uptodate(cfolio);
f2fs_folio_put(cfolio, true);
}
bool f2fs_load_compressed_page(struct f2fs_sb_info *sbi, struct page *page,