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author | Can Guo <cang@codeaurora.org> | 2021-04-01 00:39:08 -0700 |
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committer | Martin K. Petersen <martin.petersen@oracle.com> | 2021-04-01 23:14:18 -0400 |
commit | 1235fc569e0bf541ddda0a1224d4c6fa6d914890 (patch) | |
tree | a7134a8c3671b130a4badc4451c5588a4f1c8b24 /drivers/scsi/ufs/ufshcd.h | |
parent | e01a00ff62adca8ec464f3c8d82cfa0e8d8728dd (diff) |
scsi: ufs: core: Fix task management request completion timeout
ufshcd_tmc_handler() calls blk_mq_tagset_busy_iter(fn = ufshcd_compl_tm()),
but since blk_mq_tagset_busy_iter() only iterates over all reserved tags
and requests which are not in IDLE state, ufshcd_compl_tm() never gets a
chance to run. Thus, TMR always ends up with completion timeout. Fix it by
calling blk_mq_start_request() in __ufshcd_issue_tm_cmd().
Link: https://lore.kernel.org/r/1617262750-4864-2-git-send-email-cang@codeaurora.org
Fixes: 69a6c269c097 ("scsi: ufs: Use blk_{get,put}_request() to allocate and free TMFs")
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Can Guo <cang@codeaurora.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/ufs/ufshcd.h')
0 files changed, 0 insertions, 0 deletions