[LV-kern-commit] CVS: kernel-2.4/include/linux blkdev.h,1.2,1.3 fs.h,1.2,1.3 mm.h,1.2,1.3 sysctl.h,1.2,1.3

[Dave A. <ai...@us...>]

Update of /cvsroot/linux-vax/kernel-2.4/include/linux
In directory usw-pr-cvs1:/tmp/cvs-serv864/include/linux

Modified Files:
	blkdev.h fs.h mm.h sysctl.h 
Log Message:
DA: 2.4.16 import should have no affect on VAX port apart


Index: blkdev.h
===================================================================
RCS file: /cvsroot/linux-vax/kernel-2.4/include/linux/blkdev.h,v
retrieving revision 1.2
retrieving revision 1.3
diff -u -r1.2 -r1.3
--- blkdev.h	9 Apr 2002 12:44:16 -0000	1.2
+++ blkdev.h	13 Apr 2002 16:20:10 -0000	1.3
@@ -180,10 +180,6 @@
 
 #define PageAlignSize(size) (((size) + PAGE_SIZE -1) & PAGE_MASK)
 
-/* read-ahead in pages.. */
-#define MAX_READAHEAD	31
-#define MIN_READAHEAD	3
-
 #define blkdev_entry_to_request(entry) list_entry((entry), struct request, queue)
 #define blkdev_entry_next_request(entry) blkdev_entry_to_request((entry)->next)
 #define blkdev_entry_prev_request(entry) blkdev_entry_to_request((entry)->prev)

Index: fs.h
===================================================================
RCS file: /cvsroot/linux-vax/kernel-2.4/include/linux/fs.h,v
retrieving revision 1.2
retrieving revision 1.3
diff -u -r1.2 -r1.3
--- fs.h	9 Apr 2002 12:44:16 -0000	1.2
+++ fs.h	13 Apr 2002 16:20:10 -0000	1.3
@@ -110,6 +110,7 @@
 #define MS_BIND		4096
 #define MS_REC		16384
 #define MS_VERBOSE	32768
+#define MS_ACTIVE	(1<<30)
 #define MS_NOUSER	(1<<31)
 
 /*

Index: mm.h
===================================================================
RCS file: /cvsroot/linux-vax/kernel-2.4/include/linux/mm.h,v
retrieving revision 1.2
retrieving revision 1.3
diff -u -r1.2 -r1.3
--- mm.h	9 Apr 2002 12:44:16 -0000	1.2
+++ mm.h	13 Apr 2002 16:20:11 -0000	1.3
@@ -111,6 +111,10 @@
 #define VM_SequentialReadHint(v)	((v)->vm_flags & VM_SEQ_READ)
 #define VM_RandomReadHint(v)		((v)->vm_flags & VM_RAND_READ)
 
+/* read ahead limits */
+extern int vm_min_readahead;
+extern int vm_max_readahead;
+
 /*
  * mapping from the currently active vm_flags protection bits (the
  * low four bits) to a page protection mask..

Index: sysctl.h
===================================================================
RCS file: /cvsroot/linux-vax/kernel-2.4/include/linux/sysctl.h,v
retrieving revision 1.2
retrieving revision 1.3
diff -u -r1.2 -r1.3
--- sysctl.h	9 Apr 2002 12:44:17 -0000	1.2
+++ sysctl.h	13 Apr 2002 16:20:11 -0000	1.3
@@ -139,7 +139,9 @@
 	VM_PAGECACHE=7,		/* struct: Set cache memory thresholds */
 	VM_PAGERDAEMON=8,	/* struct: Control kswapd behaviour */
 	VM_PGT_CACHE=9,		/* struct: Set page table cache parameters */
-	VM_PAGE_CLUSTER=10	/* int: set number of pages to swap together */
+	VM_PAGE_CLUSTER=10,	/* int: set number of pages to swap together */
+       VM_MIN_READAHEAD=12,    /* Min file readahead */
+       VM_MAX_READAHEAD=13     /* Max file readahead */
 };