dm stripe: support for non power of 2 chunksize
authorMike Snitzer <snitzer@redhat.com>
Fri, 27 Jul 2012 14:08:01 +0000 (15:08 +0100)
committerAlasdair G Kergon <agk@redhat.com>
Fri, 27 Jul 2012 14:08:01 +0000 (15:08 +0100)
commiteb850de608cc22e0199b3797cd5c0076bae6cda0
tree60cf311ac60af6fc5cae3b2cacca19ab8a74e7aa
parent542f90381422676544382d4071ba44a2de90a0c1
dm stripe: support for non power of 2 chunksize

Support non-power-of-2 chunk sizes with dm striping for proper alignment
of stripe IO on storage that has non-power-of-2 optimal IO sizes (e.g.
RAID6 10+2).

Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
Documentation/device-mapper/striped.txt
drivers/md/dm-stripe.c