Yu Kuai a2f02a87fe nvme: fix misaccounting of nvme-mpath inflight I/O ... [ Upstream commit 71257925e8 ] Procedures for nvme-mpath IO accounting: 1) initialize nvme_request and clear flags; 2) set NVME_MPATH_IO_STATS and increase inflight counter when IO started; 3) check NVME_MPATH_IO_STATS and decrease inflight counter when IO is done; However, for the case nvme_fail_nonready_command(), both step 1) and 2) are skipped, and if old nvme_request set NVME_MPATH_IO_STATS and then request is reused, step 3) will still be executed, causing inflight I/O counter to be negative. Fix the problem by clearing nvme_request in nvme_fail_nonready_command(). Fixes: ea5e5f42cd ("nvme-fabrics: avoid double completions in nvmf_fail_nonready_command") Reported-by: Yi Zhang <yi.zhang@redhat.com> Closes: https://lore.kernel.org/all/CAHj4cs_+dauobyYyP805t33WMJVzOWj=7+51p4_j9rA63D9sog@mail.gmail.com/ Signed-off-by: Yu Kuai <yukuai3@huawei.com> Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Sasha Levin <sashal@kernel.org>		2025-07-24 08:53:17 +02:00
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host	nvme: fix misaccounting of nvme-mpath inflight I/O	2025-07-24 08:53:17 +02:00
target	nvmet-fcloop: access fcpreq only when holding reqlock	2025-06-19 15:28:43 +02:00
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