commit | af3a2cd6b8a479345786e7fe5e199ad2f6240e56 | [log] [tgz] |
---|---|---|
author | NeilBrown <neilb@suse.de> | Sat May 08 08:20:17 2010 +1000 |
committer | NeilBrown <neilb@suse.de> | Tue May 18 15:28:00 2010 +1000 |
tree | 10690853d80455e69bcc0d027ad6c8b9c7951332 | |
parent | 2dc40f80945ac3e5ec05c3a6c75baf09b13cee51 [diff] |
md: Fix read balancing in RAID1 and RAID10 on drives > 2TB read_balance uses a "unsigned long" for a sector number which will get truncated beyond 2TB. This will cause read-balancing to be non-optimal, and can cause data to be read from the 'wrong' branch during a resync. This has a very small chance of returning wrong data. Reported-by: Jordan Russell <jr-list-2010@quo.to> Cc: stable@kernel.org Signed-off-by: NeilBrown <neilb@suse.de>