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Btrfs: struct item endian fixes

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Signed-off-by: Chris Mason <chris.mason@oracle.com>
This commit is contained in:
Chris Mason
2007-03-12 20:12:07 -04:00
committed by David Woodhouse
parent e2fa7227cd
commit 0783fcfc4d
6 changed files with 141 additions and 90 deletions
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12
fs/btrfs/extent-tree.c
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@@ -40,8 +40,8 @@ static int inc_block_ref(struct ctree_root *root, u64 blocknr)
BUG();
BUG_ON(ret != 0);
l = &path.nodes[0]->leaf;
item = (struct extent_item *)(l->data +
l->items[path.slots[0]].offset);
item = (struct extent_item *)(l->data + btrfs_item_offset(l->items +
path.slots[0]));
item->refs++;
BUG_ON(list_empty(&path.nodes[0]->dirty));
@@ -67,7 +67,8 @@ static int lookup_block_ref(struct ctree_root *root, u64 blocknr, u32 *refs)
BUG();
l = &path.nodes[0]->leaf;
item = (struct extent_item *)(l->data +
l->items[path.slots[0]].offset);
btrfs_item_offset(l->items +
path.slots[0]));
*refs = item->refs;
release_path(root->extent_root, &path);
return 0;
@@ -144,7 +145,7 @@ int __free_extent(struct ctree_root *root, u64 blocknr, u64 num_blocks)
struct btrfs_key key;
struct ctree_root *extent_root = root->extent_root;
int ret;
struct item *item;
struct btrfs_item *item;
struct extent_item *ei;
struct btrfs_key ins;
@@ -162,7 +163,8 @@ int __free_extent(struct ctree_root *root, u64 blocknr, u64 num_blocks)
BUG();
}
item = path.nodes[0]->leaf.items + path.slots[0];
ei = (struct extent_item *)(path.nodes[0]->leaf.data + item->offset);
ei = (struct extent_item *)(path.nodes[0]->leaf.data +
btrfs_item_offset(item));
BUG_ON(ei->refs == 0);
ei->refs--;
if (ei->refs == 0) {