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Message-ID: <466CD6BD.4030705@garzik.org> Date: Mon, 11 Jun 2007 00:59:41 -0400 From: Jeff Garzik <jeff@...zik.org> To: Tejun Heo <htejun@...il.com> CC: Linus Torvalds <torvalds@...ux-foundation.org>, Gregor Jasny <gjasny@...glemail.com>, Linux Kernel Mailing List <linux-kernel@...r.kernel.org>, linux-ide@...r.kernel.org, Alan Cox <alan@...rguk.ukuu.org.uk>, Andrew Morton <akpm@...ux-foundation.org> Subject: Re: [PATCH] libata: limit post SRST nsect/lbal wait to ~100ms Tejun Heo wrote: > After SRST, libata used to wait for nsect/lbal to be set to 1/1 for > the slave device. However, some ATAPI devices don't set nsect/lbal > after SRST and the wait itself isn't too useful as we're gonna wait > for !BSY right after that anyway. > > Before reset-seq update, nsect/lbal wait failure used to be ignored > and caused 30sec delay during detection. After reset-seq, all > timeouts are considered error conditions making libata fail to detect > such ATAPI devices. > > This patch limits nsect/lbal wait to around 100ms. This should give > acceptable behavior to such ATAPI devices while not disturbing the > heavily used code path too much. > > Signed-off-by: Tejun Heo <htejun@...il.com> > --- > Okay, here it is. Sorry for the delay. applied - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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