Re: [PATCH] Btrfs: document rules about bio async submit

2017-11-08 Thread David Sterba
On Wed, Nov 01, 2017 at 05:19:27PM -0600, Liu Bo wrote: > These rules have been hidden in several if-else and are not > straightforward to follow, for example, dio submit hook's nocsum case > has a bug , i.e. doing async submit instead of sync submit, which has > been fixed recently. > > This is d

[PATCH] Btrfs: document rules about bio async submit

2017-11-01 Thread Liu Bo
These rules have been hidden in several if-else and are not straightforward to follow, for example, dio submit hook's nocsum case has a bug , i.e. doing async submit instead of sync submit, which has been fixed recently. This is documenting the rules for reference. Signed-off-by: Liu Bo --- fs/