cvs commit: src/sys/nfsclient nfs_bio.c nfs_vfsops.c nfsargs.h nfsmount.h src/sys/sys buf.h bufobj.h src/sys/kern vfs_bio.c

[Alfred Perlstein]

* Brian Fundakowski Feldman <green at freebsd.org> [050611 14:25] wrote:
> On Sat, Jun 11, 2005 at 10:46:17AM -0700, Alfred Perlstein wrote:
> > * Brian Fundakowski Feldman <green at freebsd.org> [050611 10:04] wrote:
> > > 
> > > Well, the easy solution is just fsync(2) :) This change jibes with
> > > Terry's explanation (thanks, Juli).  It would be good to implement
> > > the rest of the functionality for non-blocking NFS client, too, but I
> > > think that can be dne gradually over time.
> > 
> > lol.
> > FWIW, I was aware of Terry's explanation, I just consider it bunk.
> 
> Heh.  Well, we can always throw things under a kernel option.  I never
> saw Terry's e-mail on the topic until just now -- my understanding was
> that this was generally the Right Thing To Do after spending a while
> reading POSIX/SUS (due to gad pointing out that it was definitely a
> bad idea to just return short writes).

Seriously, have you tested what happens to a libc_r app that
opens an nfs file F_SYNC?  My guess is that it's not pretty.

-- 
- Alfred Perlstein
- email: bright at mu.org cell: 408-480-4684