Author: mjg
Date: Sun Jan 6 21:47:59 2013
New Revision: 245113
URL: http://svnweb.freebsd.org/changeset/base/245113
Log:
lockmgr: unlock interlock (if requested) when dealing with upgrade/downgrade
requests for LK_NOSHARE locks, just like for shared locks.
PR: kern/174969
Reviewed by: attilio
MFC after: 1 week
Modified:
head/sys/kern/kern_lock.c
Modified: head/sys/kern/kern_lock.c
==============================================================================
--- head/sys/kern/kern_lock.c Sun Jan 6 20:50:31 2013 (r245112)
+++ head/sys/kern/kern_lock.c Sun Jan 6 21:47:59 2013 (r245113)
@@ -498,6 +498,8 @@ __lockmgr_args(struct lock *lk, u_int fl
case LK_DOWNGRADE:
_lockmgr_assert(lk, KA_XLOCKED | KA_NOTRECURSED,
file, line);
+ if (flags & LK_INTERLOCK)
+ class->lc_unlock(ilk);
return (0);
}
}
_______________________________________________
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"
