Re: [PATCHv3 3/3] blk-mq: Simplify request completion state

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

To: Keith Busch <keith.busch@xxxxxxxxx>
Subject: Re: [PATCHv3 3/3] blk-mq: Simplify request completion state
From: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Date: Mon, 19 Nov 2018 00:58:59 -0800
Cc: linux-scsi@xxxxxxxxxxxxxxx, linux-block@xxxxxxxxxxxxxxx, Jens Axboe <axboe@xxxxxxxxx>, Martin Petersen <martin.petersen@xxxxxxxxxx>, Bart Van Assche <bvanassche@xxxxxxx>
In-reply-to: <20181115175820.13391-4-keith.busch@intel.com>
User-agent: Mutt/1.9.2 (2017-12-15)

On Thu, Nov 15, 2018 at 10:58:20AM -0700, Keith Busch wrote:
> There are no more users relying on blk-mq request states to prevent
> double completions, so replace the relatively expensive cmpxchg operation
> with WRITE_ONCE.
> 
> Signed-off-by: Keith Busch <keith.busch@xxxxxxxxx>

Looks fine,

Reviewed-by: Christoph Hellwig <hch@xxxxxx>

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

References:
- [PATCHv3 0/3] scsi timeout handling updates
  - From: Keith Busch
- [PATCHv3 3/3] blk-mq: Simplify request completion state
  - From: Keith Busch

Prev by Date: Re: [PATCHv3 2/3] scsi: Do not rely on blk-mq for double completions
Next by Date: Re: [PATCH v5] target: add emulate_pr backstore attr to toggle PR support
Previous by thread: [PATCHv3 3/3] blk-mq: Simplify request completion state
Next by thread: [PATCHv3 1/3] blk-mq: Return true if request was completed
Index(es):
- Date
- Thread

[Index of Archives] [SCSI Target Devel] [Linux SCSI Target Infrastructure] [Kernel Newbies] [IDE] [Security] [Git] [Netfilter] [Bugtraq] [Yosemite News] [MIPS Linux] [ARM Linux] [Linux Security] [Linux RAID] [Linux ATA RAID] [Linux IIO] [Samba] [Device Mapper]

Powered by Linux