---------------------
PatchSet 239 
Date: 2002/12/03 00:47:02
Author: rbcollins
Branch: unify-io
Tag: (none) 
Log:
make IOStrategies mandatory

Members: 
	src/Makefile.am:1.10.10.2->1.10.10.3 
	src/Store.h:1.3->1.3.16.1 
	src/SwapDir.cc:1.1.2.2->1.1.2.3 
	src/SwapDir.h:1.1.2.2->1.1.2.3 
	src/typedefs.h:1.6.10.2->1.6.10.3 
	src/fs/aufs/store_asyncufs.h:1.2->1.2.12.1 
	src/fs/aufs/store_dir_aufs.cc:1.2.12.2->1.2.12.3 
	src/fs/aufs/store_io_aufs.cc:1.3.12.1->1.3.12.2 
	src/fs/coss/store_coss.h:1.3->1.3.10.1 
	src/fs/coss/store_dir_coss.cc:1.4.10.2->1.4.10.3 
	src/fs/coss/store_io_coss.cc:1.3.10.1->1.3.10.2 
	src/fs/diskd/store_dir_diskd.cc:1.2.16.2->1.2.16.3 
	src/fs/diskd/store_diskd.h:1.1->1.1.20.1 
	src/fs/diskd/store_io_diskd.cc:1.1.20.1->1.1.20.2 
	src/fs/null/store_null.cc:1.1.20.2->1.1.20.3 
	src/fs/ufs/store_dir_ufs.cc:1.1.20.2->1.1.20.3 
	src/fs/ufs/store_io_ufs.cc:1.3.10.1->1.3.10.2 
	src/fs/ufs/store_ufs.h:1.1->1.1.20.1 

Index: squid3/src/Makefile.am
===================================================================
RCS file: /cvsroot/squid-sf//squid3/src/Makefile.am,v
retrieving revision 1.10.10.2
retrieving revision 1.10.10.3
diff -u -r1.10.10.2 -r1.10.10.3
--- squid3/src/Makefile.am	2 Dec 2002 23:33:35 -0000	1.10.10.2
+++ squid3/src/Makefile.am	3 Dec 2002 00:47:02 -0000	1.10.10.3
@@ -1,7 +1,7 @@
 #
 #  Makefile for the Squid Object Cache server
 #
-#  $Id: Makefile.am,v 1.10.10.2 2002/12/02 23:33:35 rbcollins Exp $
+#  $Id: Makefile.am,v 1.10.10.3 2002/12/03 00:47:02 rbcollins Exp $
 #
 #  Uncomment and customize the following to suit your needs:
 #
@@ -262,7 +262,7 @@
 	@SSLLIB@ \
 	-lmiscutil \
 	@XTRA_LIBS@
-squid_DEPENDENCIES = $(top_builddir)/lib/libmiscutil.a
+squid_DEPENDENCIES = $(top_builddir)/lib/libmiscutil.a @STORE_OBJS@
 
 unlinkd_SOURCES = unlinkd.cc
 unlinkd_CXXFLAGS = -DUNLINK_DAEMON
Index: squid3/src/Store.h
===================================================================
RCS file: /cvsroot/squid-sf//squid3/src/Store.h,v
retrieving revision 1.3
retrieving revision 1.3.16.1
diff -u -r1.3 -r1.3.16.1
--- squid3/src/Store.h	15 Oct 2002 09:27:20 -0000	1.3
+++ squid3/src/Store.h	3 Dec 2002 00:47:02 -0000	1.3.16.1
@@ -1,6 +1,6 @@
 
 /*
- * $Id: Store.h,v 1.3 2002/10/15 09:27:20 squidadm Exp $
+ * $Id: Store.h,v 1.3.16.1 2002/12/03 00:47:02 rbcollins Exp $
  *
  *
  * SQUID Web Proxy Cache          http://www.squid-cache.org/
@@ -149,6 +149,7 @@
 SQUIDCEXTERN void storeSwapFileNumberSet(StoreEntry * e, sfileno filn);
 SQUIDCEXTERN void storeFsInit(void);
 SQUIDCEXTERN void storeFsDone(void);
+typedef void STSETUP(storefs_entry_t *);
 SQUIDCEXTERN void storeFsAdd(const char *, STSETUP *);
 SQUIDCEXTERN void storeReplAdd(const char *, REMOVALPOLICYCREATE *);
 
Index: squid3/src/SwapDir.cc
===================================================================
RCS file: /cvsroot/squid-sf//squid3/src/SwapDir.cc,v
retrieving revision 1.1.2.2
retrieving revision 1.1.2.3
diff -u -r1.1.2.2 -r1.1.2.3
--- squid3/src/SwapDir.cc	3 Dec 2002 00:08:45 -0000	1.1.2.2
+++ squid3/src/SwapDir.cc	3 Dec 2002 00:47:02 -0000	1.1.2.3
@@ -1,6 +1,6 @@
 
 /*
- * $Id: SwapDir.cc,v 1.1.2.2 2002/12/03 00:08:45 rbcollins Exp $
+ * $Id: SwapDir.cc,v 1.1.2.3 2002/12/03 00:47:02 rbcollins Exp $
  *
  * DEBUG: section ??    Swap Dir base object
  * AUTHOR: Robert Collins
@@ -40,6 +40,7 @@
 SwapDir::Factory (_storefs_entry const &fs)
 {
     SwapDir *result = fs.newfunc();
+    assert (result->IO);
     result->type = fs.typestr;
     return result;
 }
Index: squid3/src/SwapDir.h
===================================================================
RCS file: /cvsroot/squid-sf//squid3/src/SwapDir.h,v
retrieving revision 1.1.2.2
retrieving revision 1.1.2.3
diff -u -r1.1.2.2 -r1.1.2.3
--- squid3/src/SwapDir.h	2 Dec 2002 23:33:36 -0000	1.1.2.2
+++ squid3/src/SwapDir.h	3 Dec 2002 00:47:02 -0000	1.1.2.3
@@ -1,6 +1,6 @@
 
 /*
- * $Id: SwapDir.h,v 1.1.2.2 2002/12/02 23:33:36 rbcollins Exp $
+ * $Id: SwapDir.h,v 1.1.2.3 2002/12/03 00:47:02 rbcollins Exp $
  *
  *
  * SQUID Web Proxy Cache          http://www.squid-cache.org/
@@ -34,13 +34,30 @@
 #ifndef SQUID_SWAPDIR_H
 #define SQUID_SWAPDIR_H
 
+typedef void STINIT(SwapDir *);
+typedef void STNEWFS(SwapDir *);
+typedef void STDUMP(StoreEntry *, SwapDir *);
+typedef void STFREE(SwapDir *);
+typedef int STDBLCHECK(SwapDir *, StoreEntry *);
+typedef void STSTATFS(SwapDir *, StoreEntry *);
+typedef void STMAINTAINFS(SwapDir *);
+typedef int STCHECKOBJ(SwapDir *, const StoreEntry *);
+typedef void STREFOBJ(SwapDir *, StoreEntry *);
+typedef void STUNREFOBJ(SwapDir *, StoreEntry *);
+typedef void STDONE(void);
+typedef int STCALLBACK(SwapDir *);
+typedef void STSYNC(SwapDir *);
+
+class IOStrategy;
+
 struct SwapDir {
 public:
     static SwapDir *Factory (_storefs_entry const &fs);
-    SwapDir() : max_objsize (-1) {
+    SwapDir() : IO(NULL), max_objsize (-1){
 	fs.blksize = 1024;
     }
     const char *type;
+    IOStrategy *IO;
     int cur_size;
     int low_size;
     int max_size;
Index: squid3/src/typedefs.h
===================================================================
RCS file: /cvsroot/squid-sf//squid3/src/typedefs.h,v
retrieving revision 1.6.10.2
retrieving revision 1.6.10.3
diff -u -r1.6.10.2 -r1.6.10.3
--- squid3/src/typedefs.h	3 Dec 2002 00:08:45 -0000	1.6.10.2
+++ squid3/src/typedefs.h	3 Dec 2002 00:47:02 -0000	1.6.10.3
@@ -1,6 +1,6 @@
 
 /*
- * $Id: typedefs.h,v 1.6.10.2 2002/12/03 00:08:45 rbcollins Exp $
+ * $Id: typedefs.h,v 1.6.10.3 2002/12/03 00:47:02 rbcollins Exp $
  *
  *
  * SQUID Web Proxy Cache          http://www.squid-cache.org/
@@ -245,20 +245,6 @@
 typedef void HLPCMDOPTS(int *argc, char **argv);
 typedef void IDNSCB(void *, rfc1035_rr *, int);
 
-typedef void STINIT(SwapDir *);
-typedef void STNEWFS(SwapDir *);
-typedef void STDUMP(StoreEntry *, SwapDir *);
-typedef void STFREE(SwapDir *);
-typedef int STDBLCHECK(SwapDir *, StoreEntry *);
-typedef void STSTATFS(SwapDir *, StoreEntry *);
-typedef void STMAINTAINFS(SwapDir *);
-typedef int STCHECKOBJ(SwapDir *, const StoreEntry *);
-typedef void STREFOBJ(SwapDir *, StoreEntry *);
-typedef void STUNREFOBJ(SwapDir *, StoreEntry *);
-typedef void STSETUP(storefs_entry_t *);
-typedef void STDONE(void);
-typedef int STCALLBACK(SwapDir *);
-typedef void STSYNC(SwapDir *);
 
 typedef storeIOState *STOBJCREATE(SwapDir *, StoreEntry *, STFNCB *, STIOCB *, void *);
 typedef storeIOState *STOBJOPEN(SwapDir *, StoreEntry *, STFNCB *, STIOCB *, void *);
Index: squid3/src/fs/aufs/store_asyncufs.h
===================================================================
RCS file: /cvsroot/squid-sf//squid3/src/fs/aufs/Attic/store_asyncufs.h,v
retrieving revision 1.2
retrieving revision 1.2.12.1
diff -u -r1.2 -r1.2.12.1
--- squid3/src/fs/aufs/store_asyncufs.h	11 Nov 2002 17:31:56 -0000	1.2
+++ squid3/src/fs/aufs/store_asyncufs.h	3 Dec 2002 00:47:03 -0000	1.2.12.1
@@ -128,4 +128,12 @@
 extern STOBJWRITE storeAufsWrite;
 extern STOBJUNLINK storeAufsUnlink;
 
+#include "IOStrategy.h"
+class AufsIO : public IOStrategy
+{
+public:
+   virtual bool shedLoad();
+   static AufsIO Instance;
+};
+
 #endif
Index: squid3/src/fs/aufs/store_dir_aufs.cc
===================================================================
RCS file: /cvsroot/squid-sf//squid3/src/fs/aufs/Attic/store_dir_aufs.cc,v
retrieving revision 1.2.12.2
retrieving revision 1.2.12.3
diff -u -r1.2.12.2 -r1.2.12.3
--- squid3/src/fs/aufs/store_dir_aufs.cc	3 Dec 2002 00:08:45 -0000	1.2.12.2
+++ squid3/src/fs/aufs/store_dir_aufs.cc	3 Dec 2002 00:47:03 -0000	1.2.12.3
@@ -1,6 +1,6 @@
 
 /*
- * $Id: store_dir_aufs.cc,v 1.2.12.2 2002/12/03 00:08:45 rbcollins Exp $
+ * $Id: store_dir_aufs.cc,v 1.2.12.3 2002/12/03 00:47:03 rbcollins Exp $
  *
  * DEBUG: section 47    Store Directory Routines
  * AUTHOR: Duane Wessels
@@ -54,12 +54,6 @@
 /* The MAIN externally visible function */
 STSETUP storeFsSetup_aufs;
 
-class AufsIO : public IOStrategy
-{
-public:
-   virtual bool shedLoad();
-};
-
 /*
  * storeAufsDirCheckObj
  *
@@ -244,7 +238,9 @@
 static SwapDir *
 storeAufsNew(void)
 {
-    return new SwapDir;
+    SwapDir *result = new SwapDir;
+    result->IO = &AufsIO::Instance;
+    return result;
 }
 
 void
Index: squid3/src/fs/aufs/store_io_aufs.cc
===================================================================
RCS file: /cvsroot/squid-sf//squid3/src/fs/aufs/Attic/store_io_aufs.cc,v
retrieving revision 1.3.12.1
retrieving revision 1.3.12.2
diff -u -r1.3.12.1 -r1.3.12.2
--- squid3/src/fs/aufs/store_io_aufs.cc	2 Dec 2002 14:42:16 -0000	1.3.12.1
+++ squid3/src/fs/aufs/store_io_aufs.cc	3 Dec 2002 00:47:03 -0000	1.3.12.2
@@ -47,6 +47,20 @@
     return sio;
 }
 
+AufsIO AufsIO::Instance;
+bool
+AufsIO::shedLoad()
+{
+    /*
+     * we should detect some 'too many files open' condition and return
+     * NULL here.
+     */
+#ifdef MAGIC2
+    if (aioQueueSize() > MAGIC2)
+	return true;
+#endif
+    return false;
+}
 
 /* open for reading */
 storeIOState *
Index: squid3/src/fs/coss/store_coss.h
===================================================================
RCS file: /cvsroot/squid-sf//squid3/src/fs/coss/store_coss.h,v
retrieving revision 1.3
retrieving revision 1.3.10.1
diff -u -r1.3 -r1.3.10.1
--- squid3/src/fs/coss/store_coss.h	18 Nov 2002 03:12:57 -0000	1.3
+++ squid3/src/fs/coss/store_coss.h	3 Dec 2002 00:47:03 -0000	1.3.10.1
@@ -1,6 +1,8 @@
 #ifndef __COSS_H__
 #define __COSS_H__
 
+#include "SwapDir.h"
+
 #ifndef COSS_MEMBUF_SZ
 #define	COSS_MEMBUF_SZ	1048576
 #endif
@@ -96,4 +98,11 @@
 extern void storeCossRemove(SwapDir *, StoreEntry *);
 extern void storeCossStartMembuf(SwapDir * SD);
 
+#include "IOStrategy.h"
+class COSSIO : public IOStrategy
+{
+public:
+   virtual bool shedLoad();
+   static COSSIO Instance;
+};
 #endif
Index: squid3/src/fs/coss/store_dir_coss.cc
===================================================================
RCS file: /cvsroot/squid-sf//squid3/src/fs/coss/store_dir_coss.cc,v
retrieving revision 1.4.10.2
retrieving revision 1.4.10.3
diff -u -r1.4.10.2 -r1.4.10.3
--- squid3/src/fs/coss/store_dir_coss.cc	3 Dec 2002 00:08:45 -0000	1.4.10.2
+++ squid3/src/fs/coss/store_dir_coss.cc	3 Dec 2002 00:47:03 -0000	1.4.10.3
@@ -1,6 +1,6 @@
 
 /*
- * $Id: store_dir_coss.cc,v 1.4.10.2 2002/12/03 00:08:45 rbcollins Exp $
+ * $Id: store_dir_coss.cc,v 1.4.10.3 2002/12/03 00:47:03 rbcollins Exp $
  *
  * DEBUG: section 47    Store COSS Directory Routines
  * AUTHOR: Eric Stern
@@ -894,7 +894,9 @@
 static SwapDir *
 storeCossNew(void)
 {
-    return new SwapDir;
+    SwapDir *result = new SwapDir;
+    result->IO = &COSSIO::Instance;
+    return result;
 }
 
 void
Index: squid3/src/fs/coss/store_io_coss.cc
===================================================================
RCS file: /cvsroot/squid-sf//squid3/src/fs/coss/store_io_coss.cc,v
retrieving revision 1.3.10.1
retrieving revision 1.3.10.2
diff -u -r1.3.10.1 -r1.3.10.2
--- squid3/src/fs/coss/store_io_coss.cc	2 Dec 2002 14:42:17 -0000	1.3.10.1
+++ squid3/src/fs/coss/store_io_coss.cc	3 Dec 2002 00:47:03 -0000	1.3.10.2
@@ -1,6 +1,6 @@
 
 /*
- * $Id: store_io_coss.cc,v 1.3.10.1 2002/12/02 14:42:17 rbcollins Exp $
+ * $Id: store_io_coss.cc,v 1.3.10.2 2002/12/03 00:47:03 rbcollins Exp $
  *
  * DEBUG: section 79    Storage Manager COSS Interface
  * AUTHOR: Eric Stern
@@ -57,6 +57,14 @@
 
 /* === PUBLIC =========================================================== */
 
+COSSIO COSSIO::Instance;
+
+bool
+COSSIO::shedLoad()
+{
+    return false;
+}
+
 /*
  * This routine sucks. I want to rewrite it when possible, and I also think
  * that we should check after creatmembuf() to see if the object has a
Index: squid3/src/fs/diskd/store_dir_diskd.cc
===================================================================
RCS file: /cvsroot/squid-sf//squid3/src/fs/diskd/Attic/store_dir_diskd.cc,v
retrieving revision 1.2.16.2
retrieving revision 1.2.16.3
diff -u -r1.2.16.2 -r1.2.16.3
--- squid3/src/fs/diskd/store_dir_diskd.cc	3 Dec 2002 00:08:46 -0000	1.2.16.2
+++ squid3/src/fs/diskd/store_dir_diskd.cc	3 Dec 2002 00:47:03 -0000	1.2.16.3
@@ -1,6 +1,6 @@
 
 /*
- * $Id: store_dir_diskd.cc,v 1.2.16.2 2002/12/03 00:08:46 rbcollins Exp $
+ * $Id: store_dir_diskd.cc,v 1.2.16.3 2002/12/03 00:47:03 rbcollins Exp $
  *
  * DEBUG: section 47    Store Directory Routines
  * AUTHOR: Duane Wessels
@@ -508,7 +508,9 @@
 static SwapDir *
 storeDiskdNew(void)
 {
-    return new SwapDir;
+    SwapDir *result = new SwapDir;
+    result->IO = &DiskdIO::Instance;
+    return result;
 }
 
 void
Index: squid3/src/fs/diskd/store_diskd.h
===================================================================
RCS file: /cvsroot/squid-sf//squid3/src/fs/diskd/Attic/store_diskd.h,v
retrieving revision 1.1
retrieving revision 1.1.20.1
diff -u -r1.1 -r1.1.20.1
--- squid3/src/fs/diskd/store_diskd.h	14 Oct 2002 00:18:25 -0000	1.1
+++ squid3/src/fs/diskd/store_diskd.h	3 Dec 2002 00:47:03 -0000	1.1.20.1
@@ -108,5 +108,12 @@
 #define SHMBUF_BLKSZ SM_PAGE_SIZE
 
 extern diskd_stats_t diskd_stats;
+#include "IOStrategy.h"
+class DiskdIO : public IOStrategy
+{
+public:
+   virtual bool shedLoad();
+   static DiskdIO Instance;
+};
 
 #endif
Index: squid3/src/fs/diskd/store_io_diskd.cc
===================================================================
RCS file: /cvsroot/squid-sf//squid3/src/fs/diskd/Attic/store_io_diskd.cc,v
retrieving revision 1.1.20.1
retrieving revision 1.1.20.2
diff -u -r1.1.20.1 -r1.1.20.2
--- squid3/src/fs/diskd/store_io_diskd.cc	2 Dec 2002 14:42:17 -0000	1.1.20.1
+++ squid3/src/fs/diskd/store_io_diskd.cc	3 Dec 2002 00:47:03 -0000	1.1.20.2
@@ -1,6 +1,6 @@
 
 /*
- * $Id: store_io_diskd.cc,v 1.1.20.1 2002/12/02 14:42:17 rbcollins Exp $
+ * $Id: store_io_diskd.cc,v 1.1.20.2 2002/12/03 00:47:03 rbcollins Exp $
  *
  * DEBUG: section 79    Squid-side DISKD I/O functions.
  * AUTHOR: Duane Wessels
@@ -51,6 +51,13 @@
 CBDATA_TYPE(storeIOState);
 
 /* === PUBLIC =========================================================== */
+DiskdIO DiskdIO::Instance;
+
+bool
+DiskdIO::shedLoad()
+{
+    return false;
+}
 
 storeIOState *
 storeDiskdOpen(SwapDir * SD, StoreEntry * e, STFNCB * file_callback,
Index: squid3/src/fs/null/store_null.cc
===================================================================
RCS file: /cvsroot/squid-sf//squid3/src/fs/null/store_null.cc,v
retrieving revision 1.1.20.2
retrieving revision 1.1.20.3
diff -u -r1.1.20.2 -r1.1.20.3
--- squid3/src/fs/null/store_null.cc	3 Dec 2002 00:08:46 -0000	1.1.20.2
+++ squid3/src/fs/null/store_null.cc	3 Dec 2002 00:47:03 -0000	1.1.20.3
@@ -1,6 +1,6 @@
 
 /*
- * $Id: store_null.cc,v 1.1.20.2 2002/12/03 00:08:46 rbcollins Exp $
+ * $Id: store_null.cc,v 1.1.20.3 2002/12/03 00:47:03 rbcollins Exp $
  *
  * DEBUG: section 47    Store Directory Routines
  * AUTHOR: Duane Wessels
@@ -40,6 +40,14 @@
 #endif
 #endif
 #include "SwapDir.h"
+#include "Store.h"
+#include "IOStrategy.h"
+class NullIO : public IOStrategy
+{
+public:
+   virtual bool shedLoad();
+   static NullIO Instance;
+};
 
 static int null_initialised = 0;
 static void storeNullDirInit(SwapDir * sd);
@@ -53,6 +61,13 @@
 /* The only externally visible interface */
 STSETUP storeFsSetup_null;
 
+extern NullIO NullIO::Instance;
+bool
+NullIO::shedLoad()
+{
+    return true;
+}
+
 static void
 storeNullDirReconfigure(SwapDir * sd, int index, char *path)
 {
@@ -68,7 +83,9 @@
 static SwapDir *
 storeNullNew(void)
 {
-    return new SwapDir;
+    SwapDir *result = new SwapDir;
+    result->IO = &NullIO::Instance;
+    return result;
 }
 
 static void
Index: squid3/src/fs/ufs/store_dir_ufs.cc
===================================================================
RCS file: /cvsroot/squid-sf//squid3/src/fs/ufs/store_dir_ufs.cc,v
retrieving revision 1.1.20.2
retrieving revision 1.1.20.3
diff -u -r1.1.20.2 -r1.1.20.3
--- squid3/src/fs/ufs/store_dir_ufs.cc	3 Dec 2002 00:08:46 -0000	1.1.20.2
+++ squid3/src/fs/ufs/store_dir_ufs.cc	3 Dec 2002 00:47:03 -0000	1.1.20.3
@@ -1,6 +1,6 @@
 
 /*
- * $Id: store_dir_ufs.cc,v 1.1.20.2 2002/12/03 00:08:46 rbcollins Exp $
+ * $Id: store_dir_ufs.cc,v 1.1.20.3 2002/12/03 00:47:03 rbcollins Exp $
  *
  * DEBUG: section 47    Store Directory Routines
  * AUTHOR: Duane Wessels
@@ -216,7 +216,9 @@
 static SwapDir *
 storeUfsNew(void)
 {
-    return new SwapDir;
+    SwapDir *result = new SwapDir;
+    result->IO = &UfsIO::Instance;
+    return result;
 }
 
 void
Index: squid3/src/fs/ufs/store_io_ufs.cc
===================================================================
RCS file: /cvsroot/squid-sf//squid3/src/fs/ufs/store_io_ufs.cc,v
retrieving revision 1.3.10.1
retrieving revision 1.3.10.2
diff -u -r1.3.10.1 -r1.3.10.2
--- squid3/src/fs/ufs/store_io_ufs.cc	2 Dec 2002 14:42:18 -0000	1.3.10.1
+++ squid3/src/fs/ufs/store_io_ufs.cc	3 Dec 2002 00:47:03 -0000	1.3.10.2
@@ -1,6 +1,6 @@
 
 /*
- * $Id: store_io_ufs.cc,v 1.3.10.1 2002/12/02 14:42:18 rbcollins Exp $
+ * $Id: store_io_ufs.cc,v 1.3.10.2 2002/12/03 00:47:03 rbcollins Exp $
  *
  * DEBUG: section 79    Storage Manager UFS Interface
  * AUTHOR: Duane Wessels
@@ -49,6 +49,13 @@
 
 /* === PUBLIC =========================================================== */
 
+UfsIO UfsIO::Instance;
+bool
+UfsIO::shedLoad()
+{
+    return false;
+}
+
 storeIOState *
 storeUfsOpen(SwapDir * SD, StoreEntry * e, STFNCB * file_callback,
     STIOCB * callback, void *callback_data)
Index: squid3/src/fs/ufs/store_ufs.h
===================================================================
RCS file: /cvsroot/squid-sf//squid3/src/fs/ufs/Attic/store_ufs.h,v
retrieving revision 1.1
retrieving revision 1.1.20.1
diff -u -r1.1 -r1.1.20.1
--- squid3/src/fs/ufs/store_ufs.h	14 Oct 2002 00:18:25 -0000	1.1
+++ squid3/src/fs/ufs/store_ufs.h	3 Dec 2002 00:47:03 -0000	1.1.20.1
@@ -30,5 +30,12 @@
 extern STOBJREAD storeUfsRead;
 extern STOBJWRITE storeUfsWrite;
 extern STOBJUNLINK storeUfsUnlink;
+#include "IOStrategy.h"
+class UfsIO : public IOStrategy
+{
+public:
+   virtual bool shedLoad();
+   static UfsIO Instance;
+};
 
 #endif