linux-ext4 - [dm-devel] [PATCH 0/3] dm thin: Fix ABBA deadlock between shrink_slab and dm_pool_abort

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Date:   Fri, 11 Nov 2022 20:10:26 +0800
From:   Zhihao Cheng <chengzhihao1@...wei.com>
To:     <snitzer@...nel.org>, <Martin.Wilck@...e.com>, <ejt@...hat.com>,
        <jack@...e.cz>, <tytso@....edu>, <yi.zhang@...wei.com>,
        <chengzhihao1@...wei.com>
CC:     <dm-devel@...hat.com>, <linux-ext4@...r.kernel.org>
Subject: [dm-devel] [PATCH 0/3] dm thin: Fix ABBA deadlock between shrink_slab and dm_pool_abort_metadata

Zhihao Cheng (3):
  dm bufio: Fix missing decrement of no_sleep_enabled if
    dm_bufio_client_create failed
  dm bufio: Split main logic out of dm_bufio_client creation/destroy
  dm thin: Fix ABBA deadlock between shrink_slab and
    dm_pool_abort_metadata

 drivers/md/dm-bufio.c                         | 189 +++++++++++++-----
 drivers/md/dm-thin-metadata.c                 |  36 +++-
 drivers/md/persistent-data/dm-block-manager.c |  21 ++
 drivers/md/persistent-data/dm-block-manager.h |   4 +
 include/linux/dm-bufio.h                      |  14 +-
 5 files changed, 214 insertions(+), 50 deletions(-)

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2.31.1