The patch titled
Subject: mm: don't automatically unregister bdis
has been removed from the -mm tree. Its filename was
mm-dont-automatically-unregister-bdis.patch
This patch was dropped because it was merged into mainline or a subsystem tree
------------------------------------------------------
From: Christoph Hellwig <hch@xxxxxx>
Subject: mm: don't automatically unregister bdis
All BDI users now unregister explicitly.
Link: https://lkml.kernel.org/r/20211021124441.668816-5-hch@xxxxxx
Signed-off-by: Christoph Hellwig <hch@xxxxxx>
Reviewed-by: Jan Kara <jack@xxxxxxx>
Cc: Miquel Raynal <miquel.raynal@xxxxxxxxxxx>
Cc: Richard Weinberger <richard@xxxxxx>
Cc: Vignesh Raghavendra <vigneshr@xxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
mm/backing-dev.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
--- a/mm/backing-dev.c~mm-dont-automatically-unregister-bdis
+++ a/mm/backing-dev.c
@@ -965,8 +965,7 @@ static void release_bdi(struct kref *ref
struct backing_dev_info *bdi =
container_of(ref, struct backing_dev_info, refcnt);
- if (test_bit(WB_registered, &bdi->wb.state))
- bdi_unregister(bdi);
+ WARN_ON_ONCE(test_bit(WB_registered, &bdi->wb.state));
WARN_ON_ONCE(bdi->dev);
wb_exit(&bdi->wb);
kfree(bdi);
_
Patches currently in -mm which might be from hch@xxxxxx are
mm-unexport-folio_memcg_unlock.patch
mm-unexport-unlock_page_memcg.patch
