linux-kernel - [PATCH] lockdep: fixup checking of dir inode annotation

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Date:	Mon, 11 Oct 2010 22:38:00 +0900
From:	Namhyung Kim <namhyung@...il.com>
To:	Peter Zijlstra <peterz@...radead.org>,
	Ingo Molnar <mingo@...hat.com>
Cc:	Alexander Viro <viro@...iv.linux.org.uk>,
	linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] lockdep: fixup checking of dir inode annotation

Since inode->i_mode shares its bits for S_IFMT, S_ISDIR should be
used to distinguish whether it is a dir or not.

Signed-off-by: Namhyung Kim <namhyung@...il.com>
---
 fs/inode.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/fs/inode.c b/fs/inode.c
index 8646433..db58813 100644
--- a/fs/inode.c
+++ b/fs/inode.c
@@ -663,7 +663,7 @@ EXPORT_SYMBOL(new_inode);
 void unlock_new_inode(struct inode *inode)
 {
 #ifdef CONFIG_DEBUG_LOCK_ALLOC
-	if (inode->i_mode & S_IFDIR) {
+	if (S_ISDIR(inode->i_mode)) {
 		struct file_system_type *type = inode->i_sb->s_type;
 
 		/* Set new key only if filesystem hasn't already changed it */
-- 
1.7.0.4

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