On Tue, Jan 19 2021 at 12:05am -0500, Chaitanya Kulkarni <chaitanya.kulkarni@xxxxxxx> wrote: > Hi, > > This is a *compile only RFC* which adds a generic helper to initialize > the various fields of the bio that is repeated all the places in > file-systems, block layer, and drivers. > > The new helper allows callers to initialize various members such as > bdev, sector, private, end io callback, io priority, and write hints. > > The objective of this RFC is to only start a discussion, this it not > completely tested at all. Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â > Following diff shows code level benefits of this helper :- > Â 38 files changed, 124 insertions(+), 236 deletions(-) Please no... this is just obfuscation. Adding yet another field to set would create a cascade of churn throughout kernel (and invariably many callers won't need the new field initialized, so you keep passing 0 for more and more fields). Nacked-by: Mike Snitzer <snitzer@xxxxxxxxxx>