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/hfsplus_fs.h b/fs/hfsplus/hfsplus_fs.h
index 5e2418a..0cd9ba0 100644
--- a/fs/hfsplus/hfsplus_fs.h
+++ b/fs/hfsplus/hfsplus_fs.h
@@ -145,8 +145,6 @@
int part, session;
unsigned long flags;
-
- struct hlist_head rsrc_inodes;
};
#define HFSPLUS_SB_WRITEBACKUP 0x0001
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);
diff --git a/fs/hfsplus/super.c b/fs/hfsplus/super.c
index f310a1f..923f385 100644
--- a/fs/hfsplus/super.c
+++ b/fs/hfsplus/super.c
@@ -318,7 +318,6 @@
return -ENOMEM;
sb->s_fs_info = sbi;
- INIT_HLIST_HEAD(&sbi->rsrc_inodes);
mutex_init(&sbi->alloc_mutex);
hfsplus_fill_defaults(sbi);
if (!hfsplus_parse_options(data, sbi)) {