Reorganize data elements to reduce struct sizes

[cascardo/linux.git] / fs / ocfs2 / ocfs2.h

diff --git a/fs/ocfs2/ocfs2.h b/fs/ocfs2/ocfs2.h
index c67003b..65739b3 100644 (file)
--- a/fs/ocfs2/ocfs2.h
+++ b/fs/ocfs2/ocfs2.h
@@ -150,26 +150,33 @@ typedef void (*ocfs2_lock_callback)(int status, unsigned long data);
 struct ocfs2_lock_res {
        void                    *l_priv;
        struct ocfs2_lock_res_ops *l_ops;
-       spinlock_t               l_lock;
+
 
        struct list_head         l_blocked_list;
        struct list_head         l_mask_waiters;
 
-       enum ocfs2_lock_type     l_type;
        unsigned long            l_flags;
        char                     l_name[OCFS2_LOCK_ID_MAX_LEN];
-       int                      l_level;
        unsigned int             l_ro_holders;
        unsigned int             l_ex_holders;
-       struct ocfs2_dlm_lksb    l_lksb;
+       unsigned char            l_level;
+
+       /* Data packed - type enum ocfs2_lock_type */
+       unsigned char            l_type;
 
        /* used from AST/BAST funcs. */
-       enum ocfs2_ast_action    l_action;
-       enum ocfs2_unlock_action l_unlock_action;
-       int                      l_requested;
-       int                      l_blocking;
+       /* Data packed - enum type ocfs2_ast_action */
+       unsigned char            l_action;
+       /* Data packed - enum type ocfs2_unlock_action */
+       unsigned char            l_unlock_action;
+       unsigned char            l_requested;
+       unsigned char            l_blocking;
        unsigned int             l_pending_gen;
 
+       spinlock_t               l_lock;
+
+       struct ocfs2_dlm_lksb    l_lksb;
+
        wait_queue_head_t        l_event;
 
        struct list_head         l_debug_list;