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authorMartin K. Petersen <martin.petersen@oracle.com>2008-06-30 20:04:41 +0200
committerJens Axboe <jens.axboe@oracle.com>2008-07-03 13:21:13 +0200
commit7ba1ba12eeef0aa7113beb16410ef8b7c748e18b (patch)
tree4629aabe88bf095d58eabd2f451207695bb35b08 /fs/ext4/namei.h
parent51d654e1d885607a6edd02b337105fa5c28b6d33 (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>
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