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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 /block/partitions/core.c
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 'block/partitions/core.c')
-rw-r--r--block/partitions/core.c20
1 files changed, 7 insertions, 13 deletions
diff --git a/block/partitions/core.c b/block/partitions/core.c
index 1a45b1dd6491..fc1d70384825 100644
--- a/block/partitions/core.c
+++ b/block/partitions/core.c
@@ -704,25 +704,19 @@ EXPORT_SYMBOL_GPL(bdev_disk_changed);
void *read_part_sector(struct parsed_partitions *state, sector_t n, Sector *p)
{
struct address_space *mapping = state->disk->part0->bd_inode->i_mapping;
- struct page *page;
+ struct folio *folio;
if (n >= get_capacity(state->disk)) {
state->access_beyond_eod = true;
- return NULL;
+ goto out;
}
- page = read_mapping_page(mapping,
- (pgoff_t)(n >> (PAGE_SHIFT - 9)), NULL);
- if (IS_ERR(page))
+ folio = read_mapping_folio(mapping, n >> PAGE_SECTORS_SHIFT, NULL);
+ if (IS_ERR(folio))
goto out;
- if (PageError(page))
- goto out_put_page;
-
- p->v = page;
- return (unsigned char *)page_address(page) +
- ((n & ((1 << (PAGE_SHIFT - 9)) - 1)) << SECTOR_SHIFT);
-out_put_page:
- put_page(page);
+
+ p->v = folio;
+ return folio_address(folio) + offset_in_folio(folio, n * SECTOR_SIZE);
out:
p->v = NULL;
return NULL;