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[ Upstream commit1909b64303] When the tcm_loop_nr_hw_queues is set to a value greater than 1, the tags of requests in the block layer are no longer unique. This may lead to erroneous aborting of commands with the same tag. The issue can be resolved by using blk_mq_unique_tag to generate globally unique identifiers by combining the hardware queue index and per-queue tags. Fixes:6375f89082("tcm_loop: Fixup tag handling") Signed-off-by: Guixin Liu <kanie@linux.alibaba.com> Link: https://lore.kernel.org/r/20250313014728.105849-1-kanie@linux.alibaba.com Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com> Signed-off-by: Sasha Levin <sashal@kernel.org>