From: Andrew Morton <akpm@osdl.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
---
fs/block_dev.c | 5 +++++
1 files changed, 5 insertions(+)
diff -puN fs/block_dev.c~nr_blockdev_pages-in_interrupt-warning fs/block_dev.c
--- 25/fs/block_dev.c~nr_blockdev_pages-in_interrupt-warning 2005-05-11 21:30:44.000000000 -0700
+++ 25-akpm/fs/block_dev.c 2005-05-11 22:09:53.000000000 -0700
@@ -23,6 +23,8 @@
#include <linux/mount.h>
#include <linux/uio.h>
#include <linux/namei.h>
+#include <linux/hardirq.h>
+
#include <asm/uaccess.h>
struct bdev_inode {
@@ -393,6 +395,9 @@ long nr_blockdev_pages(void)
{
struct list_head *p;
long ret = 0;
+
+ WARN_ON(in_interrupt());
+
spin_lock(&bdev_lock);
list_for_each(p, &all_bdevs) {
struct block_device *bdev;
_