On Tue, Sep 06, 2016 at 11:51:49PM +0200, Mateusz Guzik wrote: > On Wed, Sep 07, 2016 at 12:46:44AM +0300, Andriy Gapon wrote: > > On 07/09/2016 00:22, Mateusz Guzik wrote: > > > nullfs: stop special-casing directories in null_vptocnp > > > > > > The previous code was forcing an expensive walk in vop_stdvptocnp, > > > which was causing performance issues on highly contended zfs. > > > > In other words, the name cache was always bypassed for directories? > > > > Or whatever the target fs had in store for resolving names. > > This particular thing was causing a lot of idle time on my poudriere > tests due to lockmgr contention. >
To be clear, this is not name -> vp translation, but the other way around (e.g. for getcwd). -- Mateusz Guzik <mjguzik gmail.com> _______________________________________________ svn-src-all@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-all To unsubscribe, send any mail to "svn-src-all-unsubscr...@freebsd.org"
