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* block: fix blkdev_issue_flush() not detecting and passing EOPNOTSUPP backJens Axboe2008-03-041-2/+7
| | | | | | | | | This is important to eg dm, that tries to decide whether to stop using barriers or not. Tested as working by Anders Henke <anders.henke@1und1.de> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
* block: make core bits checkpatch compliantJens Axboe2008-02-011-3/+2
| | | | Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
* block: continue ll_rw_blk.c splitupJens Axboe2008-01-291-0/+319
Adds files for barrier handling, rq execution, io context handling, mapping data to requests, and queue settings. Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
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