tree 557e3d8583bf9cebb127066f0c5487691c3f786b
parent c1152949bbdfddf8fc857a883294461d757d5332
author Martin K. Petersen <martin.petersen@oracle.com> 1263198107 -0500
committer Jens Axboe <jens.axboe@oracle.com> 1263216559 +0100

block: Correct handling of bottom device misaligment

The top device misalignment flag would not be set if the added bottom
device was already misaligned as opposed to causing a stacking failure.

Also massage the reporting so that an error is only returned if adding
the bottom device caused the misalignment.  I.e. don't return an error
if the top is already flagged as misaligned.

Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>