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* block: integrity flags can't use bit ops on unsigned shortJens Axboe2008-07-031-10/+7
| | | | | | | Just use normal open coded bit operations instead, they need not be atomic. Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
* block: integrity checkpatch cleanupsJens Axboe2008-07-031-3/+5
| | | | | | > 80 char lines and that sort of thing. Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
* block: Block layer data integrity supportMartin K. Petersen2008-07-031-0/+382
Some block devices support verifying the integrity of requests by way of checksums or other protection information that is submitted along with the I/O. This patch implements support for generating and verifying integrity metadata, as well as correctly merging, splitting and cloning bios and requests that have this extra information attached. See Documentation/block/data-integrity.txt for more information. Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com> Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
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