From: KaiGai Kohei <kaigai@ak.jp.nec.com>
Date: Sat, 13 May 2006 06:15:07 +0000 (+0900)
Subject: [JFFS2][XATTR] Remove 'struct list_head ilist' from jffs2_inode_cache.
X-Git-Tag: v2.6.18-rc1~1105^2~74^2~13^2~9
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8f2b6f49c656dd4597904f8c20661d6b73cdbbeb;p=pandora-kernel.git

[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 3b4e0edd6dbb..272fbea55192 100644
--- a/fs/jffs2/jffs2_fs_sb.h
+++ b/fs/jffs2/jffs2_fs_sb.h
@@ -119,8 +119,8 @@ struct jffs2_sb_info {
 #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;
diff --git a/fs/jffs2/malloc.c b/fs/jffs2/malloc.c
index 3d5b7ecfbf8d..f2473fa2fd16 100644
--- a/fs/jffs2/malloc.c
+++ b/fs/jffs2/malloc.c
@@ -259,7 +259,6 @@ struct jffs2_xattr_ref *jffs2_alloc_xattr_ref(void)
 
 	memset(ref, 0, sizeof(struct jffs2_xattr_ref));
 	ref->class = RAWNODE_CLASS_XATTR_REF;
-	INIT_LIST_HEAD(&ref->ilist);
 	return ref;
 }
 
diff --git a/fs/jffs2/nodelist.h b/fs/jffs2/nodelist.h
index 6f6279cf4909..351d947c9375 100644
--- a/fs/jffs2/nodelist.h
+++ b/fs/jffs2/nodelist.h
@@ -117,7 +117,7 @@ struct jffs2_inode_cache {
 	uint32_t ino;
 	int nlink;
 #ifdef CONFIG_JFFS2_FS_XATTR
-	struct list_head ilist;
+	struct jffs2_xattr_ref *xref;
 #endif
 };
 
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