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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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26
fs/btrfs/disk-io.c
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@@ -197,9 +197,23 @@ int csum_dirty_buffer(struct btrfs_root *root, struct page *page)
if (found_start != start) {
printk("warning: eb start incorrect %Lu buffer %Lu len %lu\n",
start, found_start, len);
WARN_ON(1);
goto err;
}
if (eb->first_page != page) {
printk("bad first page %lu %lu\n", eb->first_page->index,
page->index);
WARN_ON(1);
goto err;
}
if (!PageUptodate(page)) {
printk("csum not up to date page %lu\n", page->index);
WARN_ON(1);
goto err;
}
found_level = btrfs_header_level(eb);
csum_tree_block(root, eb, 0);
err:
free_extent_buffer(eb);
out:
return 0;
@@ -368,7 +382,10 @@ int clean_tree_block(struct btrfs_trans_handle *trans, struct btrfs_root *root,
struct extent_buffer *buf)
{
struct inode *btree_inode = root->fs_info->btree_inode;
clear_extent_buffer_dirty(&BTRFS_I(btree_inode)->extent_tree, buf);
if (btrfs_header_generation(buf) ==
root->fs_info->running_transaction->transid)
clear_extent_buffer_dirty(&BTRFS_I(btree_inode)->extent_tree,
buf);
return 0;
}
@@ -897,8 +914,11 @@ void btrfs_mark_buffer_dirty(struct extent_buffer *buf)
void btrfs_throttle(struct btrfs_root *root)
{
if (root->fs_info->throttles)
congestion_wait(WRITE, HZ/10);
struct backing_dev_info *bdi;
bdi = root->fs_info->sb->s_bdev->bd_inode->i_mapping->backing_dev_info;
if (root->fs_info->throttles && bdi_write_congested(bdi))
congestion_wait(WRITE, HZ/20);
}
void btrfs_btree_balance_dirty(struct btrfs_root *root, unsigned long nr)