Re: [PATCH v5 1/2] scsi: ufs: Fix task management request completion timeout

2021-04-01 Thread Bart Van Assche
On 4/1/21 12:39 AM, Can Guo wrote: > 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

[PATCH v5 1/2] scsi: ufs: Fix task management request completion timeout

2021-04-01 Thread Can Guo
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