Re: [PATCH] blk-mq: Take tagset lock when updaing hw queues

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

 



On 05/30/2017 12:39 PM, Keith Busch wrote:
> The tagset lock needs to be held when iterating the tag_list, so a
> lockdep assert was added when updating number of hardware queues. The
> drivers calling this API, however, were unaware of the new requirement,
> so are failing the assertion.
> 
> This patch takes the lock within the blk-mq function so the drivers do
> not have to be modified in order to be safe.

Thanks Keith, applied for 4.12 with the typo in the subject line fixed
up.

-- 
Jens Axboe




[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