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authorMatthew Wilcox (Oracle) <willy@infradead.org>2021-03-18 05:38:26 +0300
committerMatthew Wilcox (Oracle) <willy@infradead.org>2022-05-08 21:45:56 +0300
commit2ebdd1df316636c2faf25a1780e12553adf09cf7 (patch)
tree2f8db9df88f03e888c30271c7d1c54ef572ab827 /fs/verity
parent520f301c54faa3484e820b80d4505d48ee587163 (diff)
downloadlinux-2ebdd1df316636c2faf25a1780e12553adf09cf7.tar.xz
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')
-rw-r--r--fs/verity/enable.c29
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,