linux-kernel - [patch 1/4] ps3disk: use correct bio vector size

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Date:	Thu, 19 Jul 2007 15:53:44 +0200 (CEST)
From:	Geert Uytterhoeven <Geert.Uytterhoeven@...ycom.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
cc:	Olaf Hering <olaf@...fle.de>, Andy Whitcroft <apw@...dowen.org>,
	"James E.J. Bottomley" <James.Bottomley@...elEye.com>,
	linux-scsi@...r.kernel.org,
	Linux Kernel Development <linux-kernel@...r.kernel.org>,
	Linux/PPC Development <linuxppc-dev@...abs.org>,
	Paul Mackerras <paulus@...ba.org>,
	Jens Axboe <jens.axboe@...cle.com>
Subject: [patch 1/4] ps3disk: use correct bio vector size

ps3disk: use correct bio vector size

This fixes the O_DIRECT corruptions, as reported by Olaf Hering (triggered by
e.g. parted >= 1.8.0).

Signed-off-by: Geert Uytterhoeven <Geert.Uytterhoeven@...ycom.com>
---
 drivers/block/ps3disk.c |    2 +-
 1 files changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/block/ps3disk.c
+++ b/drivers/block/ps3disk.c
@@ -108,7 +108,7 @@ static void ps3disk_scatter_gather(struc
 			__func__, __LINE__, i, bio_segments(bio),
 			bio_sectors(bio), sector);
 		bio_for_each_segment(bvec, bio, j) {
-			size = bio_cur_sectors(bio)*KERNEL_SECTOR_SIZE;
+			size = bvec->bv_len;
 			buf = __bio_kmap_atomic(bio, j, KM_IRQ0);
 			if (gather)
 				memcpy(dev->bounce_buf+offset, buf, size);

With kind regards,
 
Geert Uytterhoeven
Software Architect

Sony Network and Software Technology Center Europe
The Corporate Village · Da Vincilaan 7-D1 · B-1935 Zaventem · Belgium
 
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E-mail:   Geert.Uytterhoeven@...ycom.com	
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