On Wed, Oct 28 2015 at 4:40pm -0400, Tomohiro Kusumi <kusumi.tomohiro@xxxxxxxxx> wrote: > hi, thanks for your reply. > > I understand what you mean, but that's the reason. > I happened to use something like below via dmsetup > > --table '0 100 striped 2 4 /dev/xxx 0 /dev/yyy 0' > > and hit this message which is not obvious as long as it says "Target > length". > Users have no idea 50/4 was what was really done in kernel space. You're allowing a very literal look at the code to cloud your perception of the error and concluding that it is misleading/incorrect. Just because the code does math in a certain order doesn't change the fact that the error message is still correct (if/when it is reported). -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel