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Subject[PATCH 2/7] Make shrink_dcache_for_umount_subtree() use ANNOTATED_BUG()
Date
Make shrink_dcache_for_umount_subtree() use ANNOTATED_BUG() rather than doing
printk() then BUG() so that the annotation appears _after_ the "cut here" line
instead of before it.

Signed-off-by: David Howells <dhowells@redhat.com>
---

fs/dcache.c | 9 ++++-----
1 files changed, 4 insertions(+), 5 deletions(-)

diff --git a/fs/dcache.c b/fs/dcache.c
index 89509b5..4083c50 100644
--- a/fs/dcache.c
+++ b/fs/dcache.c
@@ -37,6 +37,7 @@
#include <linux/rculist_bl.h>
#include <linux/prefetch.h>
#include <linux/ratelimit.h>
+#include <linux/bug.h>
#include "internal.h"

/*
@@ -889,9 +890,9 @@ static void shrink_dcache_for_umount_subtree(struct dentry *dentry)
dentry_lru_prune(dentry);
__d_shrink(dentry);

- if (dentry->d_count != 0) {
- printk(KERN_ERR
- "BUG: Dentry %p{i=%lx,n=%s}"
+ if (unlikely(dentry->d_count != 0))
+ ANNOTATED_BUG(
+ "Dentry %p{i=%lx,n=%s}"
" still in use (%d)"
" [unmount of %s %s]\n",
dentry,
@@ -901,8 +902,6 @@ static void shrink_dcache_for_umount_subtree(struct dentry *dentry)
dentry->d_count,
dentry->d_sb->s_type->name,
dentry->d_sb->s_id);
- BUG();
- }

if (IS_ROOT(dentry)) {
parent = NULL;


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