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From: Boris Burkov <boris@bur.io>
To: linux-btrfs@vger.kernel.org, linux-mm@kvack.org,
	linux-fsdevel@vger.kernel.org, kernel-team@fb.com
Cc: shakeel.butt@linux.dev, hch@infradead.org, wqu@suse.com
Subject: [PATCH 2/3] btrfs: use filemap_add_folio_nocharge() for extent_buffers
Date: Tue,  5 Aug 2025 17:11:48 -0700	[thread overview]
Message-ID: <176a4973304b6c04c9a85f5f08a03d1e90e30d82.1754438418.git.boris@bur.io> (raw)
In-Reply-To: <cover.1754438418.git.boris@bur.io>

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

Signed-off-by: Boris Burkov <boris@bur.io>
---
 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



  parent reply	other threads:[~2025-08-06  0:11 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-08-06  0:11 [PATCH 0/3] filemap_add_folio_nocharge() Boris Burkov
2025-08-06  0:11 ` [PATCH 1/3] mm/filemap: add filemap_add_folio_nocharge() Boris Burkov
2025-08-06  0:11 ` Boris Burkov [this message]
2025-08-06  0:11 ` [PATCH 3/3] mm: add vmstat for cgroup uncharged pages Boris Burkov
2025-08-06 20:40   ` kernel test robot
2025-08-06 20:51   ` kernel test robot
2025-08-07 17:23   ` Shakeel Butt
2025-08-06 14:00 ` [PATCH 0/3] filemap_add_folio_nocharge() Matthew Wilcox
2025-08-06 23:19   ` Shakeel Butt

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