[PATCH 06/20] nvmet: add new members for sync file I/O

[Christoph Hellwig]

On Wed, Apr 18, 2018 at 02:59:57PM -0400, Chaitanya Kulkarni wrote:
> This patch adds new structure members to implement O_SYNC
> IO mode for file-backed ns. The user can optionally choose
> to switch between O_SYNC and O_DIRECT with the configfs parameter
> which we add in the next patch.

Again please introduce the fields together with code using them.

O_SYNC and O_DIRECT can combined, which makes the description above
sounds rather strange.