From: Jens Axboe <jaxboe@fusionio.com>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
Chris Mason <chris.mason@oracle.com>,
Linux/m68k <linux-m68k@vger.kernel.org>
Subject: Re: [GIT PULL] Core block IO bits for 2.6.39
Date: Sat, 26 Mar 2011 17:53:46 +0100 [thread overview]
Message-ID: <4D8E1A1A.8010300@fusionio.com> (raw)
In-Reply-To: <AANLkTi=jcm8pLQCTwYPK_Ey1SbMYSqQhYD4fJmCNz7sS@mail.gmail.com>
On 2011-03-26 17:48, Linus Torvalds wrote:
> On Fri, Mar 25, 2011 at 11:29 PM, Jens Axboe <jaxboe@fusionio.com> wrote:
>> +
>> + /* Use 3ms as that was the old plug delay */
>> + blk_delay_queue(q, msecs_to_jiffies(3));
>
> That's bogus. blk_delay_queue() already takes msecs, not jiffies.
You are right, braino.
> Also, do we really need to delay every unplug like this? It seems sad.
> A 3ms delay is a long time these days - admittedly most people
> hopefully use ATA these days if they have an SSD or something, but
> still..
Depends on whether you want the 'call me back, I ran into busy this
time' or the 'recall me immediately'.
I'll take a look at the IDE case tonight and submit a real fix.
--
Jens Axboe
next prev parent reply other threads:[~2011-03-26 16:53 UTC|newest]
Thread overview: 52+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-03-24 13:43 [GIT PULL] Core block IO bits for 2.6.39 Jens Axboe
2011-03-24 18:30 ` [GIT PULL] Core block IO bits for 2.6.39 - early Oops Markus Trippelsdorf
2011-03-24 18:36 ` Jens Axboe
2011-03-24 18:47 ` Markus Trippelsdorf
2011-03-24 18:51 ` Jens Axboe
2011-03-24 18:54 ` Markus Trippelsdorf
2011-03-24 18:58 ` Jens Axboe
2011-03-24 19:34 ` Markus Trippelsdorf
2011-03-24 19:36 ` Jens Axboe
2011-03-24 19:45 ` Markus Trippelsdorf
2011-03-24 19:57 ` Jens Axboe
2011-03-24 20:06 ` Markus Trippelsdorf
2011-03-24 21:01 ` Jens Axboe
2011-03-24 21:41 ` Markus Trippelsdorf
2011-03-25 7:23 ` Jens Axboe
2011-03-25 8:37 ` Markus Trippelsdorf
2011-03-25 8:44 ` Jens Axboe
2011-03-25 9:27 ` Markus Trippelsdorf
2011-03-25 9:57 ` Markus Trippelsdorf
2011-03-25 10:11 ` Jens Axboe
2011-03-25 12:44 ` Jens Axboe
2011-03-25 13:09 ` Markus Trippelsdorf
2011-03-25 14:10 ` Jens Axboe
2011-03-25 14:14 ` Markus Trippelsdorf
2011-03-25 14:18 ` Chris Mason
2011-03-25 14:19 ` Chris Mason
2011-03-25 14:24 ` Markus Trippelsdorf
2011-03-25 14:20 ` Jens Axboe
2011-03-25 14:28 ` Markus Trippelsdorf
2011-03-25 15:51 ` Jens Axboe
2011-03-25 15:58 ` Markus Trippelsdorf
2011-03-25 16:01 ` Jens Axboe
2011-03-24 22:06 ` Markus Trippelsdorf
2011-03-25 4:41 ` Dave Chinner
2011-03-25 7:26 ` Jens Axboe
2011-03-25 11:59 ` Theodore Tso
2011-03-25 12:14 ` Jens Axboe
2011-03-25 12:33 ` Ted Ts'o
2011-03-25 12:43 ` Jens Axboe
2011-03-25 13:01 ` Chris Mason
2011-03-25 21:35 ` [GIT PULL] Core block IO bits for 2.6.39 Geert Uytterhoeven
2011-03-26 6:29 ` Jens Axboe
2011-03-26 7:21 ` Geert Uytterhoeven
2011-03-26 8:25 ` Jens Axboe
2011-03-26 8:34 ` Geert Uytterhoeven
2011-03-26 9:26 ` Jens Axboe
2011-03-26 16:48 ` Linus Torvalds
2011-03-26 16:53 ` Jens Axboe [this message]
2011-03-26 18:48 ` Jens Axboe
2011-03-27 13:21 ` Alan Cox
2011-03-27 11:49 ` Avi Kivity
2011-03-27 12:00 ` Jens Axboe
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