Btrfs: struct extent_item endian
Signed-off-by: Chris Mason <chris.mason@oracle.com>
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index e511f48..1676a65 100644
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -29,6 +29,7 @@
struct leaf *l;
struct extent_item *item;
struct btrfs_key ins;
+ u32 refs;
find_free_extent(root->extent_root, 0, 0, (u64)-1, &ins);
init_path(&path);
@@ -42,7 +43,8 @@
l = &path.nodes[0]->leaf;
item = (struct extent_item *)(l->data + btrfs_item_offset(l->items +
path.slots[0]));
- item->refs++;
+ refs = btrfs_extent_refs(item);
+ btrfs_set_extent_refs(item, refs + 1);
BUG_ON(list_empty(&path.nodes[0]->dirty));
release_path(root->extent_root, &path);
@@ -69,7 +71,7 @@
item = (struct extent_item *)(l->data +
btrfs_item_offset(l->items +
path.slots[0]));
- *refs = item->refs;
+ *refs = btrfs_extent_refs(item);
release_path(root->extent_root, &path);
return 0;
}
@@ -120,9 +122,9 @@
int i;
int ret;
- extent_item.refs = 1;
- extent_item.owner =
- btrfs_header_parentid(&extent_root->node->node.header);
+ btrfs_set_extent_refs(&extent_item, 1);
+ btrfs_set_extent_owner(&extent_item,
+ btrfs_header_parentid(&extent_root->node->node.header));
ins.offset = 1;
ins.flags = 0;
@@ -148,6 +150,7 @@
struct btrfs_item *item;
struct extent_item *ei;
struct btrfs_key ins;
+ u32 refs;
key.objectid = blocknr;
key.flags = 0;
@@ -166,8 +169,9 @@
ei = (struct extent_item *)(path.nodes[0]->leaf.data +
btrfs_item_offset(item));
BUG_ON(ei->refs == 0);
- ei->refs--;
- if (ei->refs == 0) {
+ refs = btrfs_extent_refs(ei) - 1;
+ btrfs_set_extent_refs(ei, refs);
+ if (refs == 0) {
if (root == extent_root) {
int err;
radix_tree_preload(GFP_KERNEL);
@@ -368,8 +372,8 @@
struct ctree_root *extent_root = root->extent_root;
struct extent_item extent_item;
- extent_item.refs = 1;
- extent_item.owner = owner;
+ btrfs_set_extent_refs(&extent_item, 1);
+ btrfs_set_extent_owner(&extent_item, owner);
if (root == extent_root) {
BUG_ON(extent_root->current_insert.offset == 0);