Btrfs: add a comment explaining what btrfs_cont_expand does
authorJosef Bacik <josef@redhat.com>
Fri, 4 Mar 2011 20:46:53 +0000 (15:46 -0500)
committerJosef Bacik <josef@redhat.com>
Thu, 17 Mar 2011 18:21:33 +0000 (14:21 -0400)
commit695a0d0da09e75c4475bbb303def159023ef72ca
tree96f9d223a3395bd015d2922b5e797634be27b161
parent930f028abe39dfd0849b53131d19c4b67aacbe67
Btrfs: add a comment explaining what btrfs_cont_expand does

Everytime I have to deal with btrfs_cont_expand I stare at it for 20 minutes
trying to remember what exactly it does and why the hell we need it.  So add a
comment to save future-Josef some time.  Thanks,

Signed-off-by: Josef Bacik <josef@redhat.com>
fs/btrfs/inode.c