svn commit: r302029 - head/sys/kern

Konstantin Belousov kib at FreeBSD.org
Mon Jun 20 15:45:51 UTC 2016


Author: kib
Date: Mon Jun 20 15:45:50 2016
New Revision: 302029
URL: https://svnweb.freebsd.org/changeset/base/302029

Log:
  Fix typo.  Note that atomic is still required even for interlocked case.
  
  Sponsored by:	The FreeBSD Foundation
  Approved by:	re (marius)

Modified:
  head/sys/kern/vfs_subr.c

Modified: head/sys/kern/vfs_subr.c
==============================================================================
--- head/sys/kern/vfs_subr.c	Mon Jun 20 09:15:03 2016	(r302028)
+++ head/sys/kern/vfs_subr.c	Mon Jun 20 15:45:50 2016	(r302029)
@@ -2494,9 +2494,10 @@ v_decr_devcount(struct vnode *vp)
  *
  * Notes on lockless counter manipulation:
  * _vhold, vputx and other routines make various decisions based
- * on either holdcnt or usecount being 0. As long as either contuner
+ * on either holdcnt or usecount being 0. As long as either counter
  * is not transitioning 0->1 nor 1->0, the manipulation can be done
- * with atomic operations. Otherwise the interlock is taken.
+ * with atomic operations. Otherwise the interlock is taken covering
+ * both the atomic and additional actions.
  */
 int
 vget(struct vnode *vp, int flags, struct thread *td)


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