From: Al Viro <viro@zeniv.linux.org.uk>
Date: Sat, 10 Mar 2012 22:07:28 +0000 (-0500)
Subject: restore smp_mb() in unlock_new_inode()
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=310fa7a36722017088af123043ebd231cd6bc559;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git

restore smp_mb() in unlock_new_inode()

wait_on_inode() doesn't have ->i_lock

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---

diff --git a/fs/inode.c b/fs/inode.c
index 8affbc9c211b..83ab215baab1 100644
--- a/fs/inode.c
+++ b/fs/inode.c
@@ -965,6 +965,7 @@ void unlock_new_inode(struct inode *inode)
 	spin_lock(&inode->i_lock);
 	WARN_ON(!(inode->i_state & I_NEW));
 	inode->i_state &= ~I_NEW;
+	smp_mb();
 	wake_up_bit(&inode->i_state, __I_NEW);
 	spin_unlock(&inode->i_lock);
 }