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authorLinus Torvalds <torvalds@linux-foundation.org>2022-08-03 20:35:43 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2022-08-03 20:35:43 +0300
commitf00654007fe1c154dafbdc1f5953c132e8c27c38 (patch)
tree69dd4b82b1a1be18b789ef3010b13e4834c8e353 /fs/nilfs2
parente087437a6fef3acc11aaa1ade84731fe1571b808 (diff)
parentcf5e7a652168fba45410ac6f5b363fcf8677dea5 (diff)
downloadlinux-f00654007fe1c154dafbdc1f5953c132e8c27c38.tar.xz
Merge tag 'folio-6.0' of git://git.infradead.org/users/willy/pagecache
Pull folio updates from Matthew Wilcox: - Fix an accounting bug that made NR_FILE_DIRTY grow without limit when running xfstests - Convert more of mpage to use folios - Remove add_to_page_cache() and add_to_page_cache_locked() - Convert find_get_pages_range() to filemap_get_folios() - Improvements to the read_cache_page() family of functions - Remove a few unnecessary checks of PageError - Some straightforward filesystem conversions to use folios - Split PageMovable users out from address_space_operations into their own movable_operations - Convert aops->migratepage to aops->migrate_folio - Remove nobh support (Christoph Hellwig) * tag 'folio-6.0' of git://git.infradead.org/users/willy/pagecache: (78 commits) fs: remove the NULL get_block case in mpage_writepages fs: don't call ->writepage from __mpage_writepage fs: remove the nobh helpers jfs: stop using the nobh helper ext2: remove nobh support ntfs3: refactor ntfs_writepages mm/folio-compat: Remove migration compatibility functions fs: Remove aops->migratepage() secretmem: Convert to migrate_folio hugetlb: Convert to migrate_folio aio: Convert to migrate_folio f2fs: Convert to filemap_migrate_folio() ubifs: Convert to filemap_migrate_folio() btrfs: Convert btrfs_migratepage to migrate_folio mm/migrate: Add filemap_migrate_folio() mm/migrate: Convert migrate_page() to migrate_folio() nfs: Convert to migrate_folio btrfs: Convert btree_migratepage to migrate_folio mm/migrate: Convert expected_page_refs() to folio_expected_refs() mm/migrate: Convert buffer_migrate_page() to buffer_migrate_folio() ...
Diffstat (limited to 'fs/nilfs2')
-rw-r--r--fs/nilfs2/dir.c2
-rw-r--r--fs/nilfs2/page.c60
2 files changed, 31 insertions, 31 deletions
diff --git a/fs/nilfs2/dir.c b/fs/nilfs2/dir.c
index f8f4c2ff52f4..decd6471300b 100644
--- a/fs/nilfs2/dir.c
+++ b/fs/nilfs2/dir.c
@@ -194,7 +194,7 @@ static struct page *nilfs_get_page(struct inode *dir, unsigned long n)
if (!IS_ERR(page)) {
kmap(page);
if (unlikely(!PageChecked(page))) {
- if (PageError(page) || !nilfs_check_page(page))
+ if (!nilfs_check_page(page))
goto fail;
}
}
diff --git a/fs/nilfs2/page.c b/fs/nilfs2/page.c
index a8e88cc38e16..3267e96c256c 100644
--- a/fs/nilfs2/page.c
+++ b/fs/nilfs2/page.c
@@ -294,57 +294,57 @@ repeat:
void nilfs_copy_back_pages(struct address_space *dmap,
struct address_space *smap)
{
- struct pagevec pvec;
+ struct folio_batch fbatch;
unsigned int i, n;
- pgoff_t index = 0;
+ pgoff_t start = 0;
- pagevec_init(&pvec);
+ folio_batch_init(&fbatch);
repeat:
- n = pagevec_lookup(&pvec, smap, &index);
+ n = filemap_get_folios(smap, &start, ~0UL, &fbatch);
if (!n)
return;
- for (i = 0; i < pagevec_count(&pvec); i++) {
- struct page *page = pvec.pages[i], *dpage;
- pgoff_t offset = page->index;
-
- lock_page(page);
- dpage = find_lock_page(dmap, offset);
- if (dpage) {
- /* overwrite existing page in the destination cache */
- WARN_ON(PageDirty(dpage));
- nilfs_copy_page(dpage, page, 0);
- unlock_page(dpage);
- put_page(dpage);
- /* Do we not need to remove page from smap here? */
+ for (i = 0; i < folio_batch_count(&fbatch); i++) {
+ struct folio *folio = fbatch.folios[i], *dfolio;
+ pgoff_t index = folio->index;
+
+ folio_lock(folio);
+ dfolio = filemap_lock_folio(dmap, index);
+ if (dfolio) {
+ /* overwrite existing folio in the destination cache */
+ WARN_ON(folio_test_dirty(dfolio));
+ nilfs_copy_page(&dfolio->page, &folio->page, 0);
+ folio_unlock(dfolio);
+ folio_put(dfolio);
+ /* Do we not need to remove folio from smap here? */
} else {
- struct page *p;
+ struct folio *f;
- /* move the page to the destination cache */
+ /* move the folio to the destination cache */
xa_lock_irq(&smap->i_pages);
- p = __xa_erase(&smap->i_pages, offset);
- WARN_ON(page != p);
+ f = __xa_erase(&smap->i_pages, index);
+ WARN_ON(folio != f);
smap->nrpages--;
xa_unlock_irq(&smap->i_pages);
xa_lock_irq(&dmap->i_pages);
- p = __xa_store(&dmap->i_pages, offset, page, GFP_NOFS);
- if (unlikely(p)) {
+ f = __xa_store(&dmap->i_pages, index, folio, GFP_NOFS);
+ if (unlikely(f)) {
/* Probably -ENOMEM */
- page->mapping = NULL;
- put_page(page);
+ folio->mapping = NULL;
+ folio_put(folio);
} else {
- page->mapping = dmap;
+ folio->mapping = dmap;
dmap->nrpages++;
- if (PageDirty(page))
- __xa_set_mark(&dmap->i_pages, offset,
+ if (folio_test_dirty(folio))
+ __xa_set_mark(&dmap->i_pages, index,
PAGECACHE_TAG_DIRTY);
}
xa_unlock_irq(&dmap->i_pages);
}
- unlock_page(page);
+ folio_unlock(folio);
}
- pagevec_release(&pvec);
+ folio_batch_release(&fbatch);
cond_resched();
goto repeat;