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| author | Matthew Wilcox (Oracle) <willy@infradead.org> | 2021-03-18 03:38:26 +0100 |
|---|---|---|
| committer | Matthew Wilcox (Oracle) <willy@infradead.org> | 2022-05-08 20:45:56 +0200 |
| commit | 2ebdd1df316636c2faf25a1780e12553adf09cf7 (patch) | |
| tree | 2f8db9df88f03e888c30271c7d1c54ef572ab827 /fs/verity/enable.c | |
| parent | fs: Convert is_dirty_writeback() to take a folio (diff) | |
| download | linux-2ebdd1df316636c2faf25a1780e12553adf09cf7.tar.xz linux-2ebdd1df316636c2faf25a1780e12553adf09cf7.zip | |
mm/readahead: Convert page_cache_async_readahead to take a folio
Removes a couple of calls to compound_head and saves a few bytes.
Also convert verity's read_file_data_page() to be folio-based.
Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'fs/verity/enable.c')
| -rw-r--r-- | fs/verity/enable.c | 29 |
1 files changed, 14 insertions, 15 deletions
diff --git a/fs/verity/enable.c b/fs/verity/enable.c index 60a4372aa4d7..f75d2c010f36 100644 --- a/fs/verity/enable.c +++ b/fs/verity/enable.c @@ -18,27 +18,26 @@ * Read a file data page for Merkle tree construction. Do aggressive readahead, * since we're sequentially reading the entire file. */ -static struct page *read_file_data_page(struct file *filp, pgoff_t index, +static struct page *read_file_data_page(struct file *file, pgoff_t index, struct file_ra_state *ra, unsigned long remaining_pages) { - struct page *page; + DEFINE_READAHEAD(ractl, file, ra, file->f_mapping, index); + struct folio *folio; - page = find_get_page_flags(filp->f_mapping, index, FGP_ACCESSED); - if (!page || !PageUptodate(page)) { - if (page) - put_page(page); + folio = __filemap_get_folio(ractl.mapping, index, FGP_ACCESSED, 0); + if (!folio || !folio_test_uptodate(folio)) { + if (folio) + folio_put(folio); else - page_cache_sync_readahead(filp->f_mapping, ra, filp, - index, remaining_pages); - page = read_mapping_page(filp->f_mapping, index, NULL); - if (IS_ERR(page)) - return page; + page_cache_sync_ra(&ractl, remaining_pages); + folio = read_cache_folio(ractl.mapping, index, NULL, file); + if (IS_ERR(folio)) + return &folio->page; } - if (PageReadahead(page)) - page_cache_async_readahead(filp->f_mapping, ra, filp, page, - index, remaining_pages); - return page; + if (folio_test_readahead(folio)) + page_cache_async_ra(&ractl, folio, remaining_pages); + return folio_file_page(folio, index); } static int build_merkle_tree_level(struct file *filp, unsigned int level, |