dm mpath: fix passing integrity data
authorSteffen Maier <maier@linux.vnet.ibm.com>
Wed, 14 Mar 2018 14:33:06 +0000 (15:33 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Mon, 19 Mar 2018 08:09:48 +0000 (09:09 +0100)
commit3cd0aa9f35febdd65195247aafedc6aaee7be1c3
tree2439579f3d828f7c4cf3f9fe975fbc42b5de4b94
parent701ba547822581489b102400884f34a7cff8a57d
dm mpath: fix passing integrity data

commit 8c5c147339d2e201108169327b1f99aa6d57d2cd upstream.

After v4.12 commit e2460f2a4bc7 ("dm: mark targets that pass integrity
data"), dm-multipath, e.g. on DIF+DIX SCSI disk paths, does not support
block integrity any more. So add it to the whitelist.

This is also a pre-requisite to use block integrity with other dm layer(s)
on top of multipath, such as kpartx partitions (dm-linear) or LVM.

Also, bump target version to reflect this fix.

Fixes: e2460f2a4bc7 ("dm: mark targets that pass integrity data")
Cc: <stable@vger.kernel.org> #4.12+
Bisected-by: Fedor Loshakov <loshakov@linux.vnet.ibm.com>
Signed-off-by: Steffen Maier <maier@linux.vnet.ibm.com>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/md/dm-mpath.c