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/openbmc/linux/block/ |
H A D | blk-map.c | 07359fc6 Thu Jun 26 12:39:23 CDT 2008 FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> block: add bounce support to blk_rq_map_user_iov
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> 07359fc6 Thu Jun 26 12:39:23 CDT 2008 FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> block: add bounce support to blk_rq_map_user_iov 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>
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