* [PATCH v2 2/6] btrfs: drop usage of folio_index
[not found] <20250429114949.41124-1-ryncsn@gmail.com>
@ 2025-04-29 11:49 ` Kairui Song
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From: Kairui Song @ 2025-04-29 11:49 UTC (permalink / raw)
To: linux-mm
Cc: Andrew Morton, Matthew Wilcox, Hugh Dickins, Chris Li,
David Hildenbrand, Yosry Ahmed, Huang, Ying, Nhat Pham,
Johannes Weiner, linux-kernel, Kairui Song, Chris Mason,
Josef Bacik, David Sterba, linux-btrfs, Qu Wenruo
From: Kairui Song <kasong@tencent.com>
folio_index is only needed for mixed usage of page cache and swap
cache, for pure page cache usage, the caller can just use
folio->index instead.
It can't be a swap cache folio here. Swap mapping may only call into fs
through `swap_rw` but btrfs does not use that method for swap.
Signed-off-by: Kairui Song <kasong@tencent.com>
Cc: Chris Mason <clm@fb.com> (maintainer:BTRFS FILE SYSTEM)
Cc: Josef Bacik <josef@toxicpanda.com> (maintainer:BTRFS FILE SYSTEM)
Cc: David Sterba <dsterba@suse.com> (maintainer:BTRFS FILE SYSTEM)
Cc: linux-btrfs@vger.kernel.org (open list:BTRFS FILE SYSTEM)
Reviewed-by: Matthew Wilcox (Oracle) <willy@infradead.org>
Reviewed-by: Qu Wenruo <wqu@suse.com>
---
fs/btrfs/extent_io.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index 197f5e51c474..e08b50504d13 100644
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -3509,7 +3509,7 @@ static void btree_clear_folio_dirty_tag(struct folio *folio)
xa_lock_irq(&folio->mapping->i_pages);
if (!folio_test_dirty(folio))
__xa_clear_mark(&folio->mapping->i_pages,
- folio_index(folio), PAGECACHE_TAG_DIRTY);
+ folio->index, PAGECACHE_TAG_DIRTY);
xa_unlock_irq(&folio->mapping->i_pages);
}
--
2.49.0
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