1BLK_INTEGRITY_COMPAR(9) Block Devices BLK_INTEGRITY_COMPAR(9)
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6 blk_integrity_compare - Compare integrity profile of two disks
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9 int blk_integrity_compare(struct gendisk * gd1, struct gendisk * gd2);
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12 gd1
13 Disk to compare
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15 gd2
16 Disk to compare
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19 Meta-devices like DM and MD need to verify that all sub-devices use the
20 same integrity format before advertising to upper layers that they can
21 send/receive integrity metadata. This function can be used to check
22 whether two gendisk devices have compatible integrity formats.
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25Kernel Hackers Manual 2.6. June 2019 BLK_INTEGRITY_COMPAR(9)