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restore smp_mb() in unlock_new_inode()
author
Al Viro
<viro@zeniv.linux.org.uk>
Sat, 10 Mar 2012 22:07:28 +0000
(17:07 -0500)
committer
Al Viro
<viro@zeniv.linux.org.uk>
Sat, 10 Mar 2012 22:07:28 +0000
(17:07 -0500)
wait_on_inode() doesn't have ->i_lock
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
fs/inode.c
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diff --git
a/fs/inode.c
b/fs/inode.c
index
8affbc9
..
83ab215
100644
(file)
--- 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);
}