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From: Ming Lei <ming.lei@redhat.com>
To: Sagi Grimberg <sagi@grimberg.me>
Cc: Baolin Wang <baolin.wang7@gmail.com>,
	Christoph Hellwig <hch@infradead.org>,
	axboe@kernel.dk, Ulf Hansson <ulf.hansson@linaro.org>,
	Adrian Hunter <adrian.hunter@intel.com>,
	Arnd Bergmann <arnd@arndb.de>,
	Linus Walleij <linus.walleij@linaro.org>,
	Paolo Valente <paolo.valente@linaro.org>,
	Orson Zhai <orsonzhai@gmail.com>,
	Chunyan Zhang <zhang.lyra@gmail.com>,
	linux-mmc <linux-mmc@vger.kernel.org>,
	linux-block <linux-block@vger.kernel.org>,
	LKML <linux-kernel@vger.kernel.org>
Subject: Re: [RFC PATCH v2 1/7] block: Extand commit_rqs() to do batch processing
Date: Tue, 12 May 2020 15:55:01 +0800
Message-ID: <20200512075501.GF1531898@T590> (raw)
In-Reply-To: <9dc69d5a-b4f3-23a6-e033-377b4e133f97@grimberg.me>

On Mon, May 11, 2020 at 11:26:07PM -0700, Sagi Grimberg wrote:
> 
> > > devices will benefit from the batching so maybe the flag needs to be
> > > inverted? BLK_MQ_F_DONT_BATCHING_SUBMISSION?
> > 
> > Actually I'd rather to not add any flag, and we may use some algorithm
> > (maybe EWMA or other intelligent stuff, or use hctx->dispatch_busy directly)
> > to figure out one dynamic batching number which is used to dequeue requests
> > from scheduler or sw queue.
> > 
> > Then just one single dispatch io code path is enough.
> 
> Sounds good to me, do you plan to submit a patchset?
> 

Yeah, I am working on that.


Thanks,
Ming


  reply index

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-04-26  9:38 [RFC PATCH v2 0/7] Add MMC packed request support Baolin Wang
2020-04-26  9:38 ` [RFC PATCH v2 1/7] block: Extand commit_rqs() to do batch processing Baolin Wang
2020-04-27 15:46   ` Christoph Hellwig
2020-04-28  8:02     ` Baolin Wang
2020-05-08 21:35     ` Sagi Grimberg
2020-05-08 21:46       ` Ming Lei
2020-05-08 22:19         ` Sagi Grimberg
2020-05-08 23:22           ` Ming Lei
2020-05-09  8:57             ` Baolin Wang
2020-05-09  9:43               ` Ming Lei
2020-05-10  7:44                 ` Sagi Grimberg
2020-05-11  1:29                   ` Ming Lei
2020-05-11  9:23                     ` Sagi Grimberg
2020-05-11 11:47                       ` Ming Lei
2020-05-12  6:26                         ` Sagi Grimberg
2020-05-12  7:55                           ` Ming Lei [this message]
2020-04-26  9:38 ` [RFC PATCH v2 2/7] mmc: Add MMC packed request support for MMC software queue Baolin Wang
2020-04-26  9:38 ` [RFC PATCH v2 3/7] mmc: host: sdhci: Introduce ADMA3 transfer mode Baolin Wang
2020-04-26  9:38 ` [RFC PATCH v2 4/7] mmc: host: sdhci: Factor out the command configuration Baolin Wang
2020-04-26  9:38 ` [RFC PATCH v2 5/7] mmc: host: sdhci: Remove redundant sg_count member of struct sdhci_host Baolin Wang
2020-04-26  9:38 ` [RFC PATCH v2 6/7] mmc: host: sdhci: Add MMC packed request support Baolin Wang
2020-04-26  9:39 ` [RFC PATCH v2 7/7] mmc: host: sdhci-sprd: " Baolin Wang

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