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authorFUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>2008-08-28 08:05:58 +0200
committerJens Axboe <jens.axboe@oracle.com>2008-10-09 08:56:11 +0200
commit879040742cf09f2360a9ac41846288707e4e567c (patch)
tree7768750efd0d8ef28a183f8cd781b0c878212795 /crypto
parentbio: convert bio_copy_kern to use bio_copy_user (diff)
downloadlinux-879040742cf09f2360a9ac41846288707e4e567c.tar.xz
linux-879040742cf09f2360a9ac41846288707e4e567c.zip
block: add blk_rq_aligned helper function
This adds blk_rq_aligned helper function to see if alignment and padding requirement is satisfied for DMA transfer. This also converts blk_rq_map_kern and __blk_rq_map_user to use the helper function. Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Cc: Jens Axboe <jens.axboe@oracle.com> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Diffstat (limited to 'crypto')
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