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Btrfs: Fix extent_buffer usage when nodesize != leafsize

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Signed-off-by: Chris Mason <chris.mason@oracle.com>
This commit is contained in:
Chris Mason
2008-01-09 15:55:33 -05:00
parent 21ad10cf3e
commit 55c69072d6
3 changed files with 54 additions and 15 deletions
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13
fs/btrfs/extent-tree.c
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@@ -1212,6 +1212,7 @@ static int pin_down_bytes(struct btrfs_root *root, u64 bytenr, u32 num_bytes,
u64 header_transid =
btrfs_header_generation(buf);
if (header_transid == transid) {
clean_tree_block(NULL, root, buf);
free_extent_buffer(buf);
return 1;
}
@@ -1249,7 +1250,6 @@ static int __free_extent(struct btrfs_trans_handle *trans, struct btrfs_root
key.objectid = bytenr;
btrfs_set_key_type(&key, BTRFS_EXTENT_ITEM_KEY);
key.offset = num_bytes;
path = btrfs_alloc_path();
if (!path)
return -ENOMEM;
@@ -1648,8 +1648,6 @@ int btrfs_alloc_extent(struct btrfs_trans_handle *trans,
search_start, search_end, hint_byte, ins,
trans->alloc_exclude_start,
trans->alloc_exclude_nr, data);
if (ret)
printk("find free extent returns %d\n", ret);
BUG_ON(ret);
if (ret)
return ret;
@@ -1764,7 +1762,16 @@ struct extent_buffer *__btrfs_alloc_free_block(struct btrfs_trans_handle *trans,
0, 0, 0);
return ERR_PTR(-ENOMEM);
}
btrfs_set_header_generation(buf, trans->transid);
clean_tree_block(trans, root, buf);
wait_on_tree_block_writeback(root, buf);
btrfs_set_buffer_uptodate(buf);
if (PageDirty(buf->first_page)) {
printk("page %lu dirty\n", buf->first_page->index);
WARN_ON(1);
}
set_extent_dirty(&trans->transaction->dirty_pages, buf->start,
buf->start + buf->len - 1, GFP_NOFS);
set_extent_bits(&BTRFS_I(root->fs_info->btree_inode)->extent_tree,