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| author | Martin K. Petersen <martin.petersen@oracle.com> | 2008-06-30 20:04:41 +0200 |
|---|---|---|
| committer | Jens Axboe <jens.axboe@oracle.com> | 2008-07-03 13:21:13 +0200 |
| commit | 7ba1ba12eeef0aa7113beb16410ef8b7c748e18b (patch) | |
| tree | 4629aabe88bf095d58eabd2f451207695bb35b08 /Documentation/block/data-integrity.txt | |
| parent | 51d654e1d885607a6edd02b337105fa5c28b6d33 (diff) | |
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>
Diffstat (limited to 'Documentation/block/data-integrity.txt')
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