diff --git a/[refs] b/[refs]
index c325386f7d98..f5d1f3ae453a 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 853a0c25baf96b028de1654bea1e0c8857eadf3d
+refs/heads/master: 6c2155b9cc5a193e85194bbeaae2e2e4512dd597
diff --git a/trunk/fs/ext3/ioctl.c b/trunk/fs/ext3/ioctl.c
index ba1b54e23cae..e7b2ed9d36cc 100644
--- a/trunk/fs/ext3/ioctl.c
+++ b/trunk/fs/ext3/ioctl.c
@@ -134,10 +134,11 @@ long ext3_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
 			goto setversion_out;
 		}
 
+		mutex_lock(&inode->i_mutex);
 		handle = ext3_journal_start(inode, 1);
 		if (IS_ERR(handle)) {
 			err = PTR_ERR(handle);
-			goto setversion_out;
+			goto unlock_out;
 		}
 		err = ext3_reserve_inode_write(handle, inode, &iloc);
 		if (err == 0) {
@@ -146,6 +147,9 @@ long ext3_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
 			err = ext3_mark_iloc_dirty(handle, inode, &iloc);
 		}
 		ext3_journal_stop(handle);
+
+unlock_out:
+		mutex_unlock(&inode->i_mutex);
 setversion_out:
 		mnt_drop_write(filp->f_path.mnt);
 		return err;
diff --git a/trunk/fs/ext4/ioctl.c b/trunk/fs/ext4/ioctl.c
index a56796814d6a..46a8de6f2089 100644
--- a/trunk/fs/ext4/ioctl.c
+++ b/trunk/fs/ext4/ioctl.c
@@ -158,10 +158,11 @@ long ext4_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
 			goto setversion_out;
 		}
 
+		mutex_lock(&inode->i_mutex);
 		handle = ext4_journal_start(inode, 1);
 		if (IS_ERR(handle)) {
 			err = PTR_ERR(handle);
-			goto setversion_out;
+			goto unlock_out;
 		}
 		err = ext4_reserve_inode_write(handle, inode, &iloc);
 		if (err == 0) {
@@ -170,6 +171,9 @@ long ext4_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
 			err = ext4_mark_iloc_dirty(handle, inode, &iloc);
 		}
 		ext4_journal_stop(handle);
+
+unlock_out:
+		mutex_unlock(&inode->i_mutex);
 setversion_out:
 		mnt_drop_write(filp->f_path.mnt);
 		return err;