hfsplus: remove the rsrc_inodes list
We never walk the list - the only reason for it is to make the resource fork
inodes appear hashed to the writeback code. Borrow a trick from JFS to do
that without needing a list head.
Signed-off-by: Christoph Hellwig <hch@tuxera.com>
diff --git a/fs/hfsplus/inode.c b/fs/hfsplus/inode.c
index 309defb..a05b3af 100644
--- a/fs/hfsplus/inode.c
+++ b/fs/hfsplus/inode.c
@@ -204,7 +204,15 @@
hip->rsrc_inode = dir;
HFSPLUS_I(dir)->rsrc_inode = inode;
igrab(dir);
- hlist_add_head(&inode->i_hash, &HFSPLUS_SB(sb)->rsrc_inodes);
+
+ /*
+ * __mark_inode_dirty expects inodes to be hashed. Since we don't
+ * want resource fork inodes in the regular inode space, we make them
+ * appear hashed, but do not put on any lists. hlist_del()
+ * will work fine and require no locking.
+ */
+ inode->i_hash.pprev = &inode->i_hash.next;
+
mark_inode_dirty(inode);
out:
d_add(dentry, inode);