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block: add bounce support to blk_rq_map_user_iov
authorFUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Thu, 26 Jun 2008 17:39:23 +0000 (19:39 +0200)
committerJens Axboe <jens.axboe@oracle.com>
Thu, 3 Jul 2008 11:21:14 +0000 (13:21 +0200)
blk_rq_map_user_iov can't handle the bounce buffer (it means that the
bio_map_user_iov path doesn't work with a LLD that needs GFP_DMA).

This patch fixes blk_rq_map_user_iov to support the bounce buffer.

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Cc: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
block/blk-map.c patch | blob | history

diff --cc block/blk-map.c
Simple merge
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