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block: Add T10 Protection Information functions

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The T10 Protection Information format is also used by some devices that
do not go through the SCSI layer (virtual block devices, NVMe). Relocate
the relevant functions to a block layer library that can be used without
involving SCSI.

Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@fb.com>
This commit is contained in:
Martin K. Petersen
2014-09-26 19:20:07 -04:00
committed by Jens Axboe
parent 4eaf99bead
commit 2341c2f8c3
7 changed files with 245 additions and 226 deletions
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drivers/scsi/Kconfig
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@@ -62,7 +62,6 @@ comment "SCSI support type (disk, tape, CD-ROM)"
config BLK_DEV_SD
tristate "SCSI disk support"
depends on SCSI
select CRC_T10DIF if BLK_DEV_INTEGRITY
---help---
If you want to use SCSI hard disks, Fibre Channel disks,
Serial ATA (SATA) or Parallel ATA (PATA) hard disks,