On Wed, Apr 27, 2005 at 10:17:46AM +0200, Marc Olzheim wrote: > On Tue, Apr 26, 2005 at 03:36:02PM -0400, Brian Fundakowski Feldman wrote: > > I'm still guessing that for whatever reason your writes on the FreeBSD > > 4.x NFS client are not using NFSv3/transactions. The second method > > I just now implemented; it works fine except for being slower since > > all data is acknowledged synchronously. Are you using one writev() > > instead of many writes so you can atomically write a large sparse data > > structure? If so, you will probably just have to cope with the lower > > performance than for reasonably-sized writes. If not: why are you > > trying to write it atomically? Just use multiple normal-sized write() > > calls. > > Yes, a single writev(). Just like in the kern/79207 PR. > > It doesn't have to be superfast (why would I use NFS otherwise), just as > long as it's threadsafe / atomic.
Alright, this will do synchronous, instead of short, writes (also, of course, not deadlock the system) if you are trying to use an excessively large buffer size. <http://green.homeunix.org/~green/nfs_client.deadlock.patch> <http://green.homeunix.org/~green/nfs_client.deadlock.HEAD.patch> -- Brian Fundakowski Feldman \'[ FreeBSD ]''''''''''\ <> [EMAIL PROTECTED] \ The Power to Serve! \ Opinions expressed are my own. \,,,,,,,,,,,,,,,,,,,,,,\ _______________________________________________ [email protected] mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-stable To unsubscribe, send any mail to "[EMAIL PROTECTED]"
