Author: will Date: Wed Oct 1 16:16:01 2014 New Revision: 272371 URL: https://svnweb.freebsd.org/changeset/base/272371
Log: Embellish a comment regarding the reliability of DEBUG_VFS_LOCKS. Submitted by: kib Modified: head/sys/sys/vnode.h Modified: head/sys/sys/vnode.h ============================================================================== --- head/sys/sys/vnode.h Wed Oct 1 16:09:11 2014 (r272370) +++ head/sys/sys/vnode.h Wed Oct 1 16:16:01 2014 (r272371) @@ -503,7 +503,9 @@ extern struct vnodeop_desc *vnodeop_desc * reliable since if the thread sleeps between changing the lock * state and checking it with the assert, some other thread could * change the state. They are good enough for debugging a single - * filesystem using a single-threaded test. + * filesystem using a single-threaded test. Note that the unreliability is + * limited to false negatives; efforts were made to ensure that false + * positives cannot occur. */ void assert_vi_locked(struct vnode *vp, const char *str); void assert_vi_unlocked(struct vnode *vp, const char *str); _______________________________________________ svn-src-all@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/svn-src-all To unsubscribe, send any mail to "svn-src-all-unsubscr...@freebsd.org"
