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
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=457D800E.5070908@pobox.com \
--to=jgarzik@pobox.com \
--cc=linux-ide@vger.kernel.org \
--cc=linux-scsi@vger.kernel.org \
--cc=matthew@wil.cx \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).