[PATCH 2/3] btrfs: use filemap_add_folio_nocharge() for extent_buffers

[Boris Burkov <boris@xxxxxx>]

Don't block on cgroup reclaim or subject shared extent_buffers to cgroup
reclaim.

Signed-off-by: Boris Burkov <boris@xxxxxx>
---
 fs/btrfs/extent_io.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index f9ccbe5a203a..1f25447f1e39 100644
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -3258,8 +3258,8 @@ static int attach_eb_folio_to_filemap(struct extent_buffer *eb, int i,
 
 retry:
 	existing_folio = NULL;
-	ret = filemap_add_folio(mapping, eb->folios[i], index + i,
-				GFP_NOFS | __GFP_NOFAIL);
+	ret = filemap_add_folio_nocharge(mapping, eb->folios[i], index + i,
+					 GFP_NOFS | __GFP_NOFAIL);
 	if (!ret)
 		goto finish;
 
-- 
2.50.1