From: James Bottomley <James.Bottomley@SteelEye.com>
To: Oliver Neukum <oliver@neukum.org>
Cc: linux-scsi@vger.kernel.org
Subject: Re: 2nd question on highmem in lldd
Date: Sun, 13 Nov 2005 08:53:16 -0600 [thread overview]
Message-ID: <1131893596.3536.1.camel@mulgrave> (raw)
In-Reply-To: <200511131528.41121.oliver@neukum.org>
On Sun, 2005-11-13 at 15:28 +0100, Oliver Neukum wrote:
> how are failures of dma_map_sg supposed to be reported to higher layers?
return DID_REQUEUE in the host byte of the command result is probably
closest to the behaviour you want: it will requeue until another command
returns for the host which (presumably) frees up some IOMMU resources.
James
prev parent reply other threads:[~2005-11-13 14:53 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-11-13 14:28 2nd question on highmem in lldd Oliver Neukum
2005-11-13 14:53 ` James Bottomley [this message]
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