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Christoph Hellwig b6a9b12e8c fs: explicitly unregister per-superblock BDIs ...

[ Upstream commit 0b3ea0926a ]

Add a new SB_I_ flag to mark superblocks that have an ephemeral bdi
associated with them, and unregister it when the superblock is shut
down.

Link: https://lkml.kernel.org/r/20211021124441.668816-4-hch@lst.de
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Jan Kara <jack@suse.cz>
Cc: Miquel Raynal <miquel.raynal@bootlin.com>
Cc: Richard Weinberger <richard@nod.at>
Cc: Vignesh Raghavendra <vigneshr@ti.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Stable-dep-of: 4bcda1eaf1 ("mount: handle OOM on mnt_warn_timestamp_expiry")
Signed-off-by: Sasha Levin <sashal@kernel.org>

2024-10-17 15:10:43 +02:00

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