[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/scan.c b/fs/jffs2/scan.c
index f09689e..0a79fc9 100644
--- a/fs/jffs2/scan.c
+++ b/fs/jffs2/scan.c
@@ -408,14 +408,15 @@
* ref->xid is used to store 32bit xid, xd is not used
* ref->ino is used to store 32bit inode-number, ic is not used
* Thoes variables are declared as union, thus using those
- * are exclusive. In a similar way, ref->ilist is temporarily
+ * are exclusive. In a similar way, ref->next is temporarily
* used to chain all xattr_ref object. It's re-chained to
* jffs2_inode_cache in jffs2_build_xattr_subsystem() correctly.
*/
ref->node = raw;
ref->ino = je32_to_cpu(rr->ino);
ref->xid = je32_to_cpu(rr->xid);
- list_add_tail(&ref->ilist, &c->xattr_temp);
+ ref->next = c->xref_temp;
+ c->xref_temp = ref;
raw->__totlen = PAD(je32_to_cpu(rr->totlen));
raw->flash_offset = ofs | REF_PRISTINE;
@@ -888,7 +889,6 @@
ic->ino = ino;
ic->nodes = (void *)ic;
- init_xattr_inode_cache(ic);
jffs2_add_ino_cache(c, ic);
if (ino == 1)
ic->nlink = 1;
