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From: Christoph Hellwig <hch@lst.de>
To: axboe@kernel.dk
Cc: Gulam Mohamed <gulam.mohamed@oracle.com>,
	Ming Lei <ming.lei@redhat.com>,
	linux-block@vger.kernel.org
Subject: fix a race between del_gendisk and BLKRRPART
Date: Wed, 12 May 2021 18:50:48 +0200	[thread overview]
Message-ID: <20210512165050.628550-1-hch@lst.de> (raw)

Hi all,

this is based of a patch from Gulam and suggestions from Ming and fixes a
race between del_gendisk and BLKRRPART while also removing a global lock.


Diffstat:
 block/genhd.c         |   19 ++-----------------
 fs/block_dev.c        |   12 ++++--------
 include/linux/genhd.h |    2 --
 3 files changed, 6 insertions(+), 27 deletions(-)

             reply	other threads:[~2021-05-12 17:31 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-05-12 16:50 Christoph Hellwig [this message]
2021-05-12 16:50 ` [PATCH 1/2] block: prevent block device lookups at the beginning of del_gendisk Christoph Hellwig
2021-05-13  0:11   ` Ming Lei
2021-05-12 16:50 ` [PATCH 2/2] block: fix a race between del_gendisk and BLKRRPART Christoph Hellwig

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