On 08/23/13 08:17, Mike Snitzer wrote: > Here is a patch that should work for your needs (I tested it to work > with 'dmsetup wipe_table' on both request-based and bio-based devices): This really what I looking for, thanks! > > From: Mike Snitzer <snitzer@xxxxxxxxxx> > Date: Thu, 22 Aug 2013 18:21:38 -0400 > Subject: [PATCH] dm: allow error target to replace either bio-based and request-based targets > > In may be useful to switch a request-based table to the "error" target. > Enhance the DM core to allow a single hybrid target to be capable of > handling either bios or requests. > > Add a request-based (.map_rq) member to the error target_type and train > dm_table_set_type() to prefer the md's established type (request-based > or bio-based). If the md doesn't have an established type default to > making the hybrid target bio-based. Signed-off-by: Joe Jin <joe.jin@xxxxxxxxxx> Thanks, Joe -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel
