linux-kernel - [PATCH 0/2] bio: blk_rq_map

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Message-Id: <1219641773-25856-1-git-send-email-fujita.tomonori@lab.ntt.co.jp>
Date:	Mon, 25 Aug 2008 14:22:51 +0900
From:	FUJITA Tomonori <fujita.tomonori@....ntt.co.jp>
To:	jens.axboe@...cle.com
Cc:	linux-kernel@...r.kernel.org, nix@...eri.org.uk,
	adobriyan@...il.com, fujita.tomonori@....ntt.co.jp
Subject: [PATCH 0/2] bio: blk_rq_map_* bounce support fixes

This patchset fixes blk_rq_map_user_iov and blk_rq_map_kern bounce
support, which were introduced in 2.6.26. They can't handle READ
requests that partially completed.

This is against the for-linus branch in the block tree.

I think that we can clean up the code a bit (e.g. bio_copy_kern could
use __bio_copy_iov) but the patches need to go to the stable tree so I
kept the change to a minimum.

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