From: Tejun Heo <htejun@gmail.com>
To: Phillip Susi <psusi@cfl.rr.com>
Cc: linux kernel <linux-kernel@vger.kernel.org>
Subject: Re: Background scan of sata drives
Date: Mon, 30 Oct 2006 15:26:24 +0900 [thread overview]
Message-ID: <45459B10.6080702@gmail.com> (raw)
In-Reply-To: <453EDF44.3090308@cfl.rr.com>
Phillip Susi wrote:
> I seem to recall seeing mention flow by on the lkml at some point that
> sata disks are now scanned in the background rather than blocking in the
> modprobe, but that there is a new dummy module you can load that just
> blocks until all drives have been scanned. I tried but was unable to
> find the thread that mentioned this, so does anyone know what that
> module was?
Scanning during boot and module loading is blocking. modprobe will wait
in the kernel until the initial scan is complete. But user initiated
scan (echo - - - > /sys/class/scsi_host/hostX/scan) doesn't wait for
completion. Patch to make user scan blocking is pending.
--
tejun
next prev parent reply other threads:[~2006-10-30 6:26 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-10-25 3:51 Background scan of sata drives Phillip Susi
2006-10-30 6:26 ` Tejun Heo [this message]
2006-10-30 15:33 ` Phillip Susi
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