tree ba54a9f2304c23970bc8df1c28f6311d57677478
parent 5705674081cee751659a6adb4849645a566a6cf4
author Josef Bacik <josef@toxicpanda.com> 1595341354 -0400
committer David Sterba <dsterba@suse.com> 1602065214 +0200

btrfs: add a comment explaining the data flush steps

The data flushing steps are not obvious to people other than myself and
Chris.  Write a giant comment explaining the reasoning behind each flush
step for data as well as why it is in that particular order.

Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Reviewed-by: Nikolay Borisov <nborisov@suse.com>
Signed-off-by: Josef Bacik <josef@toxicpanda.com>
Signed-off-by: David Sterba <dsterba@suse.com>