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3 Commits

Author SHA1 Message Date
Jens Axboe
b24498d477 block: integrity flags can't use bit ops on unsigned short 
Just use normal open coded bit operations instead, they need not be
atomic.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
 2008-07-03 13:21:15 +02:00
Jens Axboe
b984679efe block: integrity checkpatch cleanups 
> 80 char lines and that sort of thing.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
 2008-07-03 13:21:13 +02:00
Martin K. Petersen
7ba1ba12ee block: Block layer data integrity support 
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>
 2008-07-03 13:21:13 +02:00