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Btrfs: Add delayed allocation to the extent based page tree code

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Signed-off-by: Chris Mason <chris.mason@oracle.com>
This commit is contained in:
Chris Mason
2007-08-27 16:49:44 -04:00
committed by David Woodhouse
parent a52d9a8033
commit b888db2bd7
6 changed files with 216 additions and 135 deletions
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9
fs/btrfs/extent-tree.c
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@@ -39,7 +39,6 @@ static int cache_block_group(struct btrfs_root *root,
u64 i;
u64 last = 0;
u64 hole_size;
u64 limit;
int found = 0;
root = root->fs_info->extent_root;
@@ -62,7 +61,6 @@ static int cache_block_group(struct btrfs_root *root,
return ret;
if (ret && path->slots[0] > 0)
path->slots[0]--;
limit = block_group->key.objectid + block_group->key.offset;
while(1) {
leaf = btrfs_buffer_leaf(path->nodes[0]);
slot = path->slots[0];
@@ -982,7 +980,6 @@ static int find_free_extent(struct btrfs_trans_handle *trans, struct btrfs_root
struct btrfs_block_group_cache *block_group;
int full_scan = 0;
int wrapped = 0;
u64 limit;
WARN_ON(num_blocks < 1);
ins->flags = 0;
@@ -1049,12 +1046,6 @@ check_failed:
l = btrfs_buffer_leaf(path->nodes[0]);
slot = path->slots[0];
if (slot >= btrfs_header_nritems(&l->header)) {
if (start_found)
limit = last_block +
(block_group->key.offset >> 1);
else
limit = search_start +
(block_group->key.offset >> 1);
ret = btrfs_next_leaf(root, path);
if (ret == 0)
continue;