linux-kernel - [Patch 2/2] Kernel: mutex_lock

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Date:	Wed, 28 Nov 2007 08:56:15 -0500
From:	"Liam R. Howlett" <howlett@...il.com>
To:	linux-kernel@...r.kernel.org
Cc:	willy@...ux.intel.com, akpm@...ux-foundation.org, mingo@...hat.com
Subject: [Patch 2/2] Kernel: mutex_lock_killable

Use mutex_lock_killable in vfs_readdir
Signed-off-by: Liam R. Howlett <howlett@...il.com>
Acked-by: Matthew Wilcox <willy@...ux.intel.com>
---
 fs/readdir.c |    5 ++++-
 1 files changed, 4 insertions(+), 1 deletions(-)

diff --git a/fs/readdir.c b/fs/readdir.c
index efe52e6..4aee2c9 100644
--- a/fs/readdir.c
+++ b/fs/readdir.c
@@ -30,7 +30,10 @@ int vfs_readdir(struct file *file, filldir_t filler, void *buf)
 	if (res)
 		goto out;
 
-	mutex_lock(&inode->i_mutex);
+	res = -EINTR;
+	if (mutex_lock_killable(&inode->i_mutex))
+		goto out;
+
 	res = -ENOENT;
 	if (!IS_DEADDIR(inode)) {
 		res = file->f_op->readdir(file, buf, filler);
-- 
1.5.2.5

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