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authorTejun Heo <tj@kernel.org>2009-04-19 02:00:42 +0400
committerJens Axboe <jens.axboe@oracle.com>2009-04-28 09:37:29 +0400
commitd868ca24302e99a0e8a86071ca2c66273edf97d9 (patch)
tree447a39c6e1880f16ff329b9014471945a9db0e22 /Documentation/x86
parent8968932e54db35cf9d69cfbbd50c26dfaaa586c7 (diff)
downloadlinux-d868ca24302e99a0e8a86071ca2c66273edf97d9.tar.xz
ide-taskfile: don't abuse rq->buffer
Impact: rq->buffer usage cleanup ide_raw_taskfile() directly uses rq->buffer to carry pointer to the data buffer. This complicates both block interface and ide backend request handling. Use blk_rq_map_kern() instead and drop special handling for REQ_TYPE_ATA_TASKFILE from ide_map_sg(). Note that REQ_RW setting is moved upwards as blk_rq_map_kern() uses it to initialize bio rw flag. Signed-off-by: Tejun Heo <tj@kernel.org> Cc: Jens Axboe <axboe@kernel.dk>
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