BLK_INTEGRITY_COMPAR(9) Block Devices BLK_INTEGRITY_COMPAR(9)
NAME blk_integrity_compare - Compare integrity profile of two disks
SYNOPSIS int blk_integrity_compare(struct gendisk * gd1, struct gendisk * gd2);
ARGUMENTS gd1 Disk to compare
gd2 Disk to compare
DESCRIPTION Meta-devices like DM and MD need to verify that all sub-devices use the same integrity format before advertising to upper layers that they can send/receive integrity metadata. This function can be used to check whether two gendisk devices have compatible integrity formats.
COPYRIGHT Kernel Hackers Manual 2.6. May 2011 BLK_INTEGRITY_COMPAR(9)