}
spin_unlock(&rc->reloc_root_tree.lock);
+ if (!node)
+ return 0;
BUG_ON((struct btrfs_root *)node->data != root);
if (!del) {
struct btrfs_root_item *root_item;
struct btrfs_path *path;
struct extent_buffer *leaf;
- unsigned long nr;
int level;
int max_level;
int replaced = 0;
BUG_ON(IS_ERR(trans));
trans->block_rsv = rc->block_rsv;
- ret = btrfs_block_rsv_refill(root, rc->block_rsv, min_reserved);
+ ret = btrfs_block_rsv_refill(root, rc->block_rsv, min_reserved,
+ BTRFS_RESERVE_FLUSH_ALL);
if (ret) {
BUG_ON(ret != -EAGAIN);
ret = btrfs_commit_transaction(trans, root);
path->slots[level]);
root_item->drop_level = level;
- nr = trans->blocks_used;
btrfs_end_transaction_throttle(trans, root);
- btrfs_btree_balance_dirty(root, nr);
+ btrfs_btree_balance_dirty(root);
if (replaced && rc->stage == UPDATE_DATA_PTRS)
invalidate_extent_cache(root, &key, &next_key);
btrfs_update_reloc_root(trans, root);
}
- nr = trans->blocks_used;
btrfs_end_transaction_throttle(trans, root);
- btrfs_btree_balance_dirty(root, nr);
+ btrfs_btree_balance_dirty(root);
if (replaced && rc->stage == UPDATE_DATA_PTRS)
invalidate_extent_cache(root, &key, &next_key);
again:
if (!err) {
num_bytes = rc->merging_rsv_size;
- ret = btrfs_block_rsv_add(root, rc->block_rsv, num_bytes);
+ ret = btrfs_block_rsv_add(root, rc->block_rsv, num_bytes,
+ BTRFS_RESERVE_FLUSH_ALL);
if (ret)
err = ret;
}
return err;
}
+static noinline_for_stack
+void free_reloc_roots(struct list_head *list)
+{
+ struct btrfs_root *reloc_root;
+
+ while (!list_empty(list)) {
+ reloc_root = list_entry(list->next, struct btrfs_root,
+ root_list);
+ __update_reloc_root(reloc_root, 1);
+ free_extent_buffer(reloc_root->node);
+ free_extent_buffer(reloc_root->commit_root);
+ kfree(reloc_root);
+ }
+}
+
static noinline_for_stack
int merge_reloc_roots(struct reloc_control *rc)
{
struct btrfs_root *reloc_root;
LIST_HEAD(reloc_roots);
int found = 0;
- int ret;
+ int ret = 0;
again:
root = rc->extent_root;
BUG_ON(root->reloc_root != reloc_root);
ret = merge_reloc_root(rc, root);
- BUG_ON(ret);
+ if (ret)
+ goto out;
} else {
list_del_init(&reloc_root->root_list);
}
ret = btrfs_drop_snapshot(reloc_root, rc->block_rsv, 0, 1);
- BUG_ON(ret < 0);
+ if (ret < 0) {
+ if (list_empty(&reloc_root->root_list))
+ list_add_tail(&reloc_root->root_list,
+ &reloc_roots);
+ goto out;
+ }
}
if (found) {
found = 0;
goto again;
}
+out:
+ if (ret) {
+ btrfs_std_error(root->fs_info, ret);
+ if (!list_empty(&reloc_roots))
+ free_reloc_roots(&reloc_roots);
+ }
+
BUG_ON(!RB_EMPTY_ROOT(&rc->reloc_root_tree.rb_root));
- return 0;
+ return ret;
}
static void free_block_list(struct rb_root *blocks)
num_bytes = calcu_metadata_size(rc, node, 1) * 2;
trans->block_rsv = rc->block_rsv;
- ret = btrfs_block_rsv_add(root, rc->block_rsv, num_bytes);
+ ret = btrfs_block_rsv_add(root, rc->block_rsv, num_bytes,
+ BTRFS_RESERVE_FLUSH_ALL);
if (ret) {
if (ret == -EAGAIN)
rc->commit_transaction = 1;
int err = 0;
path = btrfs_alloc_path();
- if (!path)
- return -ENOMEM;
+ if (!path) {
+ err = -ENOMEM;
+ goto out_path;
+ }
rb_node = rb_first(blocks);
while (rb_node) {
rb_node = rb_next(rb_node);
}
out:
- free_block_list(blocks);
err = finish_pending_nodes(trans, rc, path, err);
btrfs_free_path(path);
+out_path:
+ free_block_list(blocks);
return err;
}
}
}
- page_start = (u64)page->index << PAGE_CACHE_SHIFT;
+ page_start = page_offset(page);
page_end = page_start + PAGE_CACHE_SIZE - 1;
lock_extent(&BTRFS_I(inode)->io_tree, page_start, page_end);
struct btrfs_path *path;
struct btrfs_root *root = fs_info->tree_root;
struct btrfs_trans_handle *trans;
- unsigned long nr;
int ret = 0;
if (inode)
ret = btrfs_truncate_free_space_cache(root, trans, path, inode);
btrfs_free_path(path);
- nr = trans->blocks_used;
btrfs_end_transaction(trans, root);
- btrfs_btree_balance_dirty(root, nr);
+ btrfs_btree_balance_dirty(root);
out:
iput(inode);
return ret;
* is no reservation in transaction handle.
*/
ret = btrfs_block_rsv_add(rc->extent_root, rc->block_rsv,
- rc->extent_root->nodesize * 256);
+ rc->extent_root->nodesize * 256,
+ BTRFS_RESERVE_FLUSH_ALL);
if (ret)
return ret;
struct btrfs_trans_handle *trans = NULL;
struct btrfs_path *path;
struct btrfs_extent_item *ei;
- unsigned long nr;
u64 flags;
u32 item_size;
int ret;
ret = btrfs_commit_transaction(trans, rc->extent_root);
BUG_ON(ret);
} else {
- nr = trans->blocks_used;
btrfs_end_transaction_throttle(trans, rc->extent_root);
- btrfs_btree_balance_dirty(rc->extent_root, nr);
+ btrfs_btree_balance_dirty(rc->extent_root);
}
trans = NULL;
GFP_NOFS);
if (trans) {
- nr = trans->blocks_used;
btrfs_end_transaction_throttle(trans, rc->extent_root);
- btrfs_btree_balance_dirty(rc->extent_root, nr);
+ btrfs_btree_balance_dirty(rc->extent_root);
}
if (!err) {
struct btrfs_trans_handle *trans;
struct btrfs_root *root;
struct btrfs_key key;
- unsigned long nr;
u64 objectid = BTRFS_FIRST_FREE_OBJECTID;
int err = 0;
err = btrfs_orphan_add(trans, inode);
out:
- nr = trans->blocks_used;
btrfs_end_transaction(trans, root);
- btrfs_btree_balance_dirty(root, nr);
+ btrfs_btree_balance_dirty(root);
if (err) {
if (inode)
iput(inode);
(unsigned long long)rc->block_group->key.objectid,
(unsigned long long)rc->block_group->flags);
- btrfs_start_delalloc_inodes(fs_info->tree_root, 0);
+ ret = btrfs_start_delalloc_inodes(fs_info->tree_root, 0);
+ if (ret < 0) {
+ err = ret;
+ goto out;
+ }
btrfs_wait_ordered_extents(fs_info->tree_root, 0);
while (1) {
out_free:
kfree(rc);
out:
- while (!list_empty(&reloc_roots)) {
- reloc_root = list_entry(reloc_roots.next,
- struct btrfs_root, root_list);
- list_del(&reloc_root->root_list);
- free_extent_buffer(reloc_root->node);
- free_extent_buffer(reloc_root->commit_root);
- kfree(reloc_root);
- }
+ if (!list_empty(&reloc_roots))
+ free_reloc_roots(&reloc_roots);
+
btrfs_free_path(path);
if (err == 0) {