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(parent: 4bbfb80) | patch
dm cache metadata: do not allow the data block size to change
authorMike Snitzer <snitzer@redhat.com>
Mon, 14 Jul 2014 20:59:39 +0000 (16:59 -0400)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Mon, 28 Jul 2014 15:00:07 +0000 (08:00 -0700)
commit8a09a31a13d9efce4e253e4facd63d631809b89e
treeac3b67d6a218d092be8e00384d786bfa404e7f90tree | snapshot
parent4bbfb80c25ba29ba4fa1d0c7ed99f3c8b32a500fcommit | diff
dm cache metadata: do not allow the data block size to change

commit 048e5a07f282c57815b3901d4a68a77fa131ce0a upstream.

The block size for the dm-cache's data device must remained fixed for
the life of the cache.  Disallow any attempt to change the cache's data
block size.

Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Acked-by: Joe Thornber <ejt@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/md/dm-cache-metadata.c diff | blob | history
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