dm cache metadata: check the metadata version when reading the superblock
authorJoe Thornber <ejt@redhat.com>
Wed, 16 Oct 2013 09:59:26 +0000 (10:59 +0100)
committerMike Snitzer <snitzer@redhat.com>
Mon, 11 Nov 2013 16:37:49 +0000 (11:37 -0500)
commit53d498198d3e8bce4287112beafc30befcba98cc
treea12f0184d3a5505eca616e32c9b27be551f90070
parent2ee57d587357f0d752af6c2e3e46434a74b1bee3
dm cache metadata: check the metadata version when reading the superblock

Need to check the version to verify on-disk metadata is supported.

Signed-off-by: Joe Thornber <ejt@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
drivers/md/dm-cache-metadata.c