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由 Mike Snitzer 提交于
stable inclusion from stable-v5.10.137 commit b7e2d64d673abdecae8b8f3f44ef37820e7e8f6c category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I60PLB Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=b7e2d64d673abdecae8b8f3f44ef37820e7e8f6c -------------------------------- [ Upstream commit e120a5f1 ] Otherwise PR ops may be issued while the broader DM device is being reconfigured, etc. Fixes: 9c72bad1 ("dm: call PR reserve/unreserve on each underlying device") Signed-off-by: NMike Snitzer <snitzer@kernel.org> Signed-off-by: NSasha Levin <sashal@kernel.org> Signed-off-by: NZheng Zengkai <zhengzengkai@huawei.com> Reviewed-by: NWei Li <liwei391@huawei.com>
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