Re: [PATCH v2 05/12] block: One requeue list per hctx

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On 4/10/23 00:58, Damien Le Moal wrote:
On 4/8/23 08:58, Bart Van Assche wrote:
Prepare for processing the requeue list from inside __blk_mq_run_hw_queue().

With such short comment, it is hard to see exactly what this patch is trying to
do. The first part seems to be adding debugfs stuff, which I think is fine, but
should be its own patch. The second part move the requeue work from per qeue to
per hctx as I understand it. Why ? Can you explain that here ?

Hi Damien,

This patch splits the request queue requeue list into one requeue list per hardware queue. I split the requeue list because I do not want that the next patch in this series would affect performance negatively if no I/O scheduler has been attached. I will double check whether this patch is really necessary.

Thanks,

Bart.




[Index of Archives]     [Linux RAID]     [Linux SCSI]     [Linux ATA RAID]     [IDE]     [Linux Wireless]     [Linux Kernel]     [ATH6KL]     [Linux Bluetooth]     [Linux Netdev]     [Kernel Newbies]     [Security]     [Git]     [Netfilter]     [Bugtraq]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Device Mapper]

  Powered by Linux