[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/jffs2_fs_sb.h b/fs/jffs2/jffs2_fs_sb.h
index 3b4e0ed..272fbea 100644
--- a/fs/jffs2/jffs2_fs_sb.h
+++ b/fs/jffs2/jffs2_fs_sb.h
@@ -119,8 +119,8 @@
 #define XATTRINDEX_HASHSIZE	(57)
 	uint32_t highest_xid;
 	struct list_head xattrindex[XATTRINDEX_HASHSIZE];
-	struct list_head xattr_temp;
 	struct list_head xattr_unchecked;
+	struct jffs2_xattr_ref *xref_temp;
 	struct rw_semaphore xattr_sem;
 	uint32_t xdatum_mem_usage;
 	uint32_t xdatum_mem_threshold;