---------------------
PatchSet 11773 
Date: 2007/11/26 10:57:37
Author: adrian
Branch: SQUID_2_6
Tag: (none) 
Log:
Author: hno
Patchset 11724 (HEAD): Make aufs store rebuilding back off a little if I/O load too high

aufs could stress itself a bit too hard during the rebuild process. This
change makes the rebuild slow down before I/O is overloaded.

Members: 
	src/fs/aufs/store_dir_aufs.c:1.67.2.1->1.67.2.2 

Index: squid/src/fs/aufs/store_dir_aufs.c
===================================================================
RCS file: /cvsroot/squid/squid/src/fs/aufs/store_dir_aufs.c,v
retrieving revision 1.67.2.1
retrieving revision 1.67.2.2
diff -u -r1.67.2.1 -r1.67.2.2
--- squid/src/fs/aufs/store_dir_aufs.c	3 Mar 2007 13:34:51 -0000	1.67.2.1
+++ squid/src/fs/aufs/store_dir_aufs.c	26 Nov 2007 10:57:37 -0000	1.67.2.2
@@ -1,6 +1,6 @@
 
 /*
- * $Id: store_dir_aufs.c,v 1.67.2.1 2007/03/03 13:34:51 hno Exp $
+ * $Id: store_dir_aufs.c,v 1.67.2.2 2007/11/26 10:57:37 adrian Exp $
  *
  * DEBUG: section 47    Store Directory Routines
  * AUTHOR: Duane Wessels
@@ -1551,6 +1551,8 @@
 	    break;		/* no more objects */
 	removed++;
 	storeRelease(e);
+	if (aioQueueSize() > MAGIC2)
+	    break;
     }
     walker->Done(walker);
     debug(47, (removed ? 2 : 3)) ("storeAufsDirMaintain: %s removed %d/%d f=%.03f max_scan=%d\n",