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Subject[patch 06/69] reiserfs: suppress lockdep warning
-stable review patch.  If anyone has any objections, please let us know.
---------------------
From: Jeff Mahoney <jeffm@suse.de>

We're getting lockdep warnings due to a post-2.6.21-rc7 bugfix.

The xattr_sem can never be taken in the manner described. Internal inodes
are protected by I_PRIVATE. Add the appropriate annotation.

Cc: <stable@kernel.org>
Cc: "Antonino A. Daplas" <adaplas@pol.net>
Cc: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Chris Wright <chrisw@sous-sol.org>
---
fs/reiserfs/xattr.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- linux-2.6.21.1.orig/fs/reiserfs/xattr.c
+++ linux-2.6.21.1/fs/reiserfs/xattr.c
@@ -68,7 +68,7 @@ static struct dentry *get_xa_root(struct
if (!privroot)
return ERR_PTR(-ENODATA);

- mutex_lock(&privroot->d_inode->i_mutex);
+ mutex_lock_nested(&privroot->d_inode->i_mutex, I_MUTEX_XATTR);
if (REISERFS_SB(sb)->xattr_root) {
xaroot = dget(REISERFS_SB(sb)->xattr_root);
goto out;
--
-
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