From: FUJITA Tomonori <tomof@acm.org>
To: James.Bottomley@SteelEye.com, jens.axboe@oracle.com,
hch@infradead.org, jeff@garzik.org, gregkh@suse.de, hare@suse.de,
linux-scsi@vger.kernel.org
Cc: fujita.tomonori@lab.ntt.co.jp
Subject: [PATCH 4/5] scsi_add_host sets device max_segment_size
Date: Wed, 26 Sep 2007 17:58:02 +0900 [thread overview]
Message-ID: <20070925142159R.tomof@acm.org> (raw)
scsi_add_host sets shost_gendev.parent->max_segment_size to enables
iommu code to merge sg lists properly about lld's max segment size
limit.
Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
---
drivers/scsi/hosts.c | 3 +++
1 files changed, 3 insertions(+), 0 deletions(-)
diff --git a/drivers/scsi/hosts.c b/drivers/scsi/hosts.c
index 22877d3..a71a836 100644
--- a/drivers/scsi/hosts.c
+++ b/drivers/scsi/hosts.c
@@ -206,6 +206,9 @@ int scsi_add_host(struct Scsi_Host *shost, struct device *dev)
if (!shost->shost_gendev.parent)
shost->shost_gendev.parent = dev ? dev : &platform_bus;
+ if (dev)
+ dev->max_segment_size = shost->dma_max_segment_size;
+
error = device_add(&shost->shost_gendev);
if (error)
goto out;
--
1.5.2.4
reply other threads:[~2007-09-26 8:59 UTC|newest]
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