svn commit: r350390 - head/sys/kern

[Alan Somers]

Author: asomers
Date: Sun Jul 28 16:07:27 2019
New Revision: 350390
URL: https://svnweb.freebsd.org/changeset/base/350390

Log:
  Better comments for vlrureclaim
  
  MFC after:	2 weeks
  Sponsored by:	The FreeBSD Foundation

Modified:
  head/sys/kern/vfs_subr.c

Modified: head/sys/kern/vfs_subr.c
==============================================================================
--- head/sys/kern/vfs_subr.c	Sun Jul 28 15:20:47 2019	(r350389)
+++ head/sys/kern/vfs_subr.c	Sun Jul 28 16:07:27 2019	(r350390)
@@ -947,9 +947,16 @@ vattr_null(struct vattr *vap)
  * desirable to reuse such vnodes.  These conditions may cause the
  * number of vnodes to reach some minimum value regardless of what
  * you set kern.maxvnodes to.  Do not set kern.maxvnodes too low.
+ *
+ * @param mp		 Try to reclaim vnodes from this mountpoint
+ * @param reclaim_nc_src Only reclaim directories with outgoing namecache
+ * 			 entries if this argument is strue
+ * @param trigger	 Only reclaim vnodes with fewer than this many resident
+ *			 pages.
+ * @return		 The number of vnodes that were reclaimed.
  */
 static int
-vlrureclaim(struct mount *mp, int reclaim_nc_src, int trigger)
+vlrureclaim(struct mount *mp, bool reclaim_nc_src, int trigger)
 {
 	struct vnode *vp;
 	int count, done, target;
@@ -1238,7 +1245,8 @@ vnlru_proc(void)
 {
 	struct mount *mp, *nmp;
 	unsigned long onumvnodes;
-	int done, force, reclaim_nc_src, trigger, usevnodes;
+	int done, force, trigger, usevnodes;
+	bool reclaim_nc_src;
 
 	EVENTHANDLER_REGISTER(shutdown_pre_sync, kproc_shutdown, vnlruproc,
 	    SHUTDOWN_PRI_FIRST);