From fd3e620537030db24fd8bc2135b94816dd08c347 Mon Sep 17 00:00:00 2001 From: Andrew Morton Date: Thu, 31 Oct 2002 04:10:09 -0800 Subject: [PATCH] make kernel_stat use per-cpu infrastructure Patch from Ravikiran G Thirumalai 1. Break out disk stats from kernel_stat and move disk stat to blkdev.h 2. Group cpu stat in kernel_stat and make them "per_cpu" instead of the NR_CPUS array 3. Remove EXPORT_SYMBOL(kstat) from ksyms.c (as I noticed that no module is using kstat) --- include/linux/blkdev.h | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) (limited to 'include/linux/blkdev.h') diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index 212e53167f88..e771e183891e 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -11,6 +11,22 @@ #include +/* + * Disk stats ... + */ + +#define DK_MAX_MAJOR 16 +#define DK_MAX_DISK 16 + +struct disk_stat { + unsigned int drive[DK_MAX_MAJOR][DK_MAX_DISK]; + unsigned int drive_rio[DK_MAX_MAJOR][DK_MAX_DISK]; + unsigned int drive_wio[DK_MAX_MAJOR][DK_MAX_DISK]; + unsigned int drive_rblk[DK_MAX_MAJOR][DK_MAX_DISK]; + unsigned int drive_wblk[DK_MAX_MAJOR][DK_MAX_DISK]; +}; +extern struct disk_stat dkstat; + struct request_queue; typedef struct request_queue request_queue_t; struct elevator_s; -- cgit v1.2.3