Author: mjg
Date: Tue Sep 6 21:22:03 2016
New Revision: 305504
URL: https://svnweb.freebsd.org/changeset/base/305504
Log:
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.
No objections: kib
MFC after: 2 weeks
Modified:
head/sys/fs/nullfs/null_vnops.c
Modified: head/sys/fs/nullfs/null_vnops.c
==============================================================================
--- head/sys/fs/nullfs/null_vnops.c Tue Sep 6 21:18:14 2016
(r305503)
+++ head/sys/fs/nullfs/null_vnops.c Tue Sep 6 21:22:03 2016
(r305504)
@@ -870,9 +870,6 @@ null_vptocnp(struct vop_vptocnp_args *ap
struct ucred *cred = ap->a_cred;
int error, locked;
- if (vp->v_type == VDIR)
- return (vop_stdvptocnp(ap));
-
locked = VOP_ISLOCKED(vp);
lvp = NULLVPTOLOWERVP(vp);
vhold(lvp);
_______________________________________________
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"
