The patch titled
ecryptfs: nested locking annotation
has been added to the -mm tree. Its filename is
ecryptfs-nested-locking-annotation.patch
*** Remember to use Documentation/SubmitChecklist when testing your code ***
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: ecryptfs: nested locking annotation
From: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
ecryptfs uses a lock_parent() function, which I hope really locks the parents
and is not abused
Signed-off-by: Peter Zijlstra <a.p.zijlstra@xxxxxxxxx>
Cc: Michael Halcrow <mhalcrow@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
fs/ecryptfs/inode.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff -puN fs/ecryptfs/inode.c~ecryptfs-nested-locking-annotation fs/ecryptfs/inode.c
--- a/fs/ecryptfs/inode.c~ecryptfs-nested-locking-annotation
+++ a/fs/ecryptfs/inode.c
@@ -38,7 +38,7 @@ static struct dentry *lock_parent(struct
struct dentry *dir;
dir = dget(dentry->d_parent);
- mutex_lock(&(dir->d_inode->i_mutex));
+ mutex_lock_nested(&(dir->d_inode->i_mutex), I_MUTEX_PARENT);
return dir;
}
_
Patches currently in -mm which might be from a.p.zijlstra@xxxxxxxxx are
mqueue-nested-locking-annotation.patch
ecryptfs-nested-locking-annotation.patch
nfs-fix-congestion-control-v4.patch
nfs-fix-congestion-control-use-atomic_longs.patch
-
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