[JFFS2][XATTR] Remove 'struct list_head ilist' from jffs2_inode_cache.

This patch can reduce 4-byte of memory usage per inode_cache.

[4/10] jffs2-xattr-v5.1-04-remove_ilist_from_ic.patch

Signed-off-by: KaiGai Kohei <kaigai@ak.jp.nec.com>
diff --git a/fs/jffs2/xattr.h b/fs/jffs2/xattr.h
index d157ad6..0360097 100644
--- a/fs/jffs2/xattr.h
+++ b/fs/jffs2/xattr.h
@@ -54,7 +54,7 @@
 		struct jffs2_xattr_datum *xd;	/* reference to jffs2_xattr_datum */
 		uint32_t xid;			/* only used in sccanning/building */
 	};
-	struct list_head ilist;			/* chained from ic->ilist */
+	struct jffs2_xattr_ref *next;		/* chained from ic->xref_list */
 };
 
 #ifdef CONFIG_JFFS2_FS_XATTR
@@ -86,9 +86,6 @@
 #define jffs2_setxattr		generic_setxattr
 #define jffs2_removexattr	generic_removexattr
 
-/*---- Any inline initialize functions ----*/
-#define init_xattr_inode_cache(x) INIT_LIST_HEAD(&((x)->ilist))
-
 #else
 
 #define jffs2_init_xattr_subsystem(c)
@@ -106,8 +103,6 @@
 #define jffs2_setxattr		NULL
 #define jffs2_removexattr	NULL
 
-#define init_xattr_inode_cache(x)
-
 #endif /* CONFIG_JFFS2_FS_XATTR */
 
 #ifdef CONFIG_JFFS2_FS_SECURITY