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.