From: Bart Van Assche <Bart.VanAssche@sandisk.com>
To: "hch@lst.de" <hch@lst.de>,
"linus.walleij@linaro.org" <linus.walleij@linaro.org>
Cc: "linux-block@vger.kernel.org" <linux-block@vger.kernel.org>,
"baolin.wang@linaro.org" <baolin.wang@linaro.org>,
"linux-mmc@vger.kernel.org" <linux-mmc@vger.kernel.org>,
"riteshh@codeaurora.org" <riteshh@codeaurora.org>,
"paolo.valente@linaro.org" <paolo.valente@linaro.org>,
"axboe@kernel.dk" <axboe@kernel.dk>,
"ulf.hansson@linaro.org" <ulf.hansson@linaro.org>,
"arnd@arndb.de" <arnd@arndb.de>,
"zhang.chunyan@linaro.org" <zhang.chunyan@linaro.org>
Subject: Re: [PATCH v2] RFD: switch MMC/SD to use blk-mq multiqueueing
Date: Mon, 2 Jan 2017 11:55:21 +0000 [thread overview]
Message-ID: <1483358104.3592.50.camel@sandisk.com> (raw)
In-Reply-To: <CACRpkdb2zyjRz_zniT5nLxWCeLwagn1ZiTWwXc6bHW229NmfPQ@mail.gmail.com>
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WARNING: multiple messages have this Message-ID (diff)
From: Bart Van Assche <Bart.VanAssche@sandisk.com>
To: "hch@lst.de" <hch@lst.de>,
"linus.walleij@linaro.org" <linus.walleij@linaro.org>
Cc: "linux-block@vger.kernel.org" <linux-block@vger.kernel.org>,
"baolin.wang@linaro.org" <baolin.wang@linaro.org>,
"linux-mmc@vger.kernel.org" <linux-mmc@vger.kernel.org>,
"riteshh@codeaurora.org" <riteshh@codeaurora.org>,
"paolo.valente@linaro.org" <paolo.valente@linaro.org>,
"axboe@kernel.dk" <axboe@kernel.dk>,
"ulf.hansson@linaro.org" <ulf.hansson@linaro.org>,
"arnd@arndb.de" <arnd@arndb.de>,
"zhang.chunyan@linaro.org" <zhang.chunyan@linaro.org>
Subject: Re: [PATCH v2] RFD: switch MMC/SD to use blk-mq multiqueueing
Date: Mon, 2 Jan 2017 11:55:21 +0000 [thread overview]
Message-ID: <1483358104.3592.50.camel@sandisk.com> (raw)
In-Reply-To: <CACRpkdb2zyjRz_zniT5nLxWCeLwagn1ZiTWwXc6bHW229NmfPQ@mail.gmail.com>
On Thu, 2016-12-29 at 00:59 +0100, Linus Walleij wrote:
> A problem here is that issueing the requests are in blocking context
> while completion is in IRQ context (for most drivers) so we need to
> look into this.
Hello Linus,
Although I'm not sure whether I understood you correctly: are you familiar
with the request queue flag BLK_MQ_F_BLOCKING, a flag that was introduced
for the nbd driver?
Bart.
next prev parent reply other threads:[~2017-01-02 11:55 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-12-20 14:01 [PATCH v2] RFD: switch MMC/SD to use blk-mq multiqueueing Linus Walleij
2016-12-20 16:21 ` Bartlomiej Zolnierkiewicz
2016-12-21 17:22 ` Ritesh Harjani
2016-12-27 12:21 ` Linus Walleij
2016-12-28 4:21 ` Ritesh Harjani
2016-12-28 8:55 ` Christoph Hellwig
2016-12-28 23:59 ` Linus Walleij
2017-01-02 9:40 ` Arnd Bergmann
2017-01-02 11:06 ` Hannes Reinecke
2017-01-02 11:06 ` Hannes Reinecke
2017-01-02 11:58 ` Bart Van Assche
2017-01-02 11:58 ` Bart Van Assche
2017-01-02 17:08 ` Arnd Bergmann
2017-01-03 7:50 ` Paolo Valente
2017-01-03 7:50 ` Paolo Valente
2017-01-03 23:06 ` Arnd Bergmann
2017-01-03 12:57 ` Linus Walleij
2017-01-02 11:55 ` Bart Van Assche [this message]
2017-01-02 11:55 ` Bart Van Assche
2017-01-03 12:59 ` Linus Walleij
2017-01-02 13:56 ` Adrian Hunter
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