On Wed, Jun 07, 2017 at 18:35 -0500, Amit Kulkarni wrote: > Wow, please get this in!!! > > This fixes cvs update on hard disks, to go much much faster. When I am > updating the entire set of cvs trees: www, src, xenocara, ports, I can > still use firefox and have it perfectly usable. There's a night and > day improvement, before and after. Thanks for debugging and fixing > this. >
What kind of broken hardware do you have that this diff helps you? Can you show us your dmesg? > amit > > On Wed, Jun 7, 2017 at 12:29 PM, Mike Belopuhov <m...@belopuhov.com> wrote: > > Hi, > > > > I've discovered that short reads (nonzero b_resid) aren't > > handled very well in our kernel and I've proposed a diff > > like this to handle short reads of buffercache read-ahead > > buffers: > > [...]