On Wed, May 01, 2024 at 04:15:33PM -0700, Jeremy Bongio wrote: > From: Jeremy Bongio <jbongio@xxxxxxxxxx> > > ext4 and block fops would both failover to syncronous, buffered writes if > the direct IO results in a short write where only a portion of the request > was completed. > > This patch changes the behavior to simply return the number of bytes > written if the direct write is short. Please don't combine ext4 and block changes in a single patch. Please also explain why you want to change things. AFAIK this is simply the historic behavior of the old direct I/O code that's been around forever. I think the XFS semantics make a lot more sense, but people might rely on this one way or another.
