From: Jeff Garzik <jgarzik@pobox.com>
To: Matthew Wilcox <matthew@wil.cx>
Cc: linux-scsi@vger.kernel.org, linux-ide@vger.kernel.org
Subject: Re: [PATCH] Add support for asynchronous scans to libata
Date: Mon, 11 Dec 2006 10:58:06 -0500 [thread overview]
Message-ID: <457D800E.5070908@pobox.com> (raw)
In-Reply-To: <20061208211236.GC29763@parisc-linux.org>
Matthew Wilcox wrote:
> Some of the drivers (AHCI was mentioned to me as a culprit) take a long
> time to discover all the devices attached to them. Even for ones which
> are relatively quick, if you put a lot of them in a machine, it will
> take a long time in aggregate. This can be fixed by adding support for
> asynchronous scsi scans, which causes the time-consuming portions of
> initialisation to take place in threads.
>
> Signed-off-by: Matthew Wilcox <matthew@wil.cx>
The time-consuming portion already takes place in a thread. Do you mean
multiple threads? Or, ATA's scan is in one thread, while work continues
in other threads?
Patch seems sane, provided that I am educated a bit :)
Jeff
next prev parent reply other threads:[~2006-12-11 15:58 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-12-08 21:12 [PATCH] Add support for asynchronous scans to libata Matthew Wilcox
2006-12-11 15:58 ` Jeff Garzik [this message]
2006-12-11 16:09 ` Matthew Wilcox
2006-12-12 14:02 ` Jeff Garzik
2006-12-11 16:18 ` Jeff Garzik
2006-12-12 5:02 ` Matthew Wilcox
2006-12-12 5:14 ` Matthew Wilcox
2007-04-02 13:21 ` James Smart
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