dm table: require that request-based DM be layered on blk-mq devices
authorMike Snitzer <snitzer@redhat.com>
Thu, 11 Oct 2018 21:44:04 +0000 (17:44 -0400)
committerMike Snitzer <snitzer@redhat.com>
Thu, 11 Oct 2018 21:51:13 +0000 (17:51 -0400)
commitcef6f55a9fb4f6d6f9df0f772aa64cf159997466
tree1af91945c74ac972da4eba3e558fc72ba7bbf770
parent953923c09fe83255ae11845db1c9eb576ba73df8
dm table: require that request-based DM be layered on blk-mq devices

Now that request-based DM (multipath) is blk-mq only: this restriction
is required while the legacy request-based IO path still exists.

Signed-off-by: Mike Snitzer <snitzer@redhat.com>
drivers/md/dm-table.c