ocfs2: lock the metaecc process for xattr bucket

[~andy/linux] / fs / ocfs2 / ocfs2.h

diff --git a/fs/ocfs2/ocfs2.h b/fs/ocfs2/ocfs2.h
index 077384135f4ea763cd30105b9df51521b9565227..946d3c34b90ba29e0e1cc0d44df7ca9bfe1878f5 100644 (file)
--- a/fs/ocfs2/ocfs2.h
+++ b/fs/ocfs2/ocfs2.h
@@ -341,6 +341,9 @@ struct ocfs2_super
        struct ocfs2_node_map           osb_recovering_orphan_dirs;
        unsigned int                    *osb_orphan_wipes;
        wait_queue_head_t               osb_wipe_event;
+
+       /* used to protect metaecc calculation check of xattr. */
+       spinlock_t osb_xattr_lock;
 };
 
 #define OCFS2_SB(sb)       ((struct ocfs2_super *)(sb)->s_fs_info)