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From: Sagi Grimberg <sagi@grimberg.me>
To: Christoph Hellwig <hch@infradead.org>,
	Baolin Wang <baolin.wang7@gmail.com>
Cc: axboe@kernel.dk, ulf.hansson@linaro.org, adrian.hunter@intel.com,
	arnd@arndb.de, linus.walleij@linaro.org,
	paolo.valente@linaro.org, ming.lei@redhat.com,
	orsonzhai@gmail.com, zhang.lyra@gmail.com,
	linux-mmc@vger.kernel.org, linux-block@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: Re: [RFC PATCH v2 1/7] block: Extand commit_rqs() to do batch processing
Date: Fri, 8 May 2020 14:35:35 -0700	[thread overview]
Message-ID: <e4d47000-f89c-a135-ae58-011f0e9cc39e@grimberg.me> (raw)
In-Reply-To: <20200427154645.GA1201@infradead.org>


>> diff --git a/include/linux/blk-mq.h b/include/linux/blk-mq.h
>> index f389d7c724bd..6a20f8e8eb85 100644
>> --- a/include/linux/blk-mq.h
>> +++ b/include/linux/blk-mq.h
>> @@ -391,6 +391,7 @@ struct blk_mq_ops {
>>   enum {
>>   	BLK_MQ_F_SHOULD_MERGE	= 1 << 0,
>>   	BLK_MQ_F_TAG_SHARED	= 1 << 1,
>> +	BLK_MQ_F_FORCE_COMMIT_RQS = 1 << 3,
> 
> Maybe BLK_MQ_F_ALWAYS_COMMIT might be a better name?  Also this
> flag (just like the existing ones..) could really use a comment
> explaining it.

Would it make sense to elevate this flag to a request_queue flag
(QUEUE_FLAG_ALWAYS_COMMIT)?

I'm thinking of a possibility that an I/O scheduler may be used
to activate this functionality rather than having the driver set
it necessarily...

  parent reply	other threads:[~2020-05-08 21:35 UTC|newest]

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 [this message]
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
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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