INIT_LIST_HEAD(&found->block_groups);
init_rwsem(&found->groups_sem);
+ init_waitqueue_head(&found->flush_wait);
+ init_waitqueue_head(&found->allocate_wait);
spin_lock_init(&found->lock);
found->flags = flags;
found->total_bytes = total_bytes;
}
spin_unlock(&BTRFS_I(inode)->accounting_lock);
- BTRFS_I(inode)->reserved_extents--;
+ BTRFS_I(inode)->reserved_extents -= num_items;
BUG_ON(BTRFS_I(inode)->reserved_extents < 0);
if (meta_sinfo->bytes_delalloc < num_bytes) {
spin_lock(&info->lock);
- if (!info->flushing) {
+ if (!info->flushing)
info->flushing = 1;
- init_waitqueue_head(&info->flush_wait);
- } else {
+ else
wait = true;
- }
spin_unlock(&info->lock);
if (!info->allocating_chunk) {
info->force_alloc = 1;
info->allocating_chunk = 1;
- init_waitqueue_head(&info->allocate_wait);
} else {
wait = true;
}
return -ENOSPC;
}
- BTRFS_I(inode)->reserved_extents++;
+ BTRFS_I(inode)->reserved_extents += num_items;
check_force_delalloc(meta_sinfo);
spin_unlock(&meta_sinfo->lock);
ins->offset = 0;
space_info = __find_space_info(root->fs_info, data);
+ if (!space_info) {
+ printk(KERN_ERR "No space info for %d\n", data);
+ return -ENOSPC;
+ }
if (orig_root->ref_cows || empty_size)
allowed_chunk_alloc = 1;
next = btrfs_find_tree_block(root, bytenr, blocksize);
if (!next) {
next = btrfs_find_create_tree_block(root, bytenr, blocksize);
+ if (!next)
+ return -ENOMEM;
reada = 1;
}
btrfs_tree_lock(next);
if (ret > 0) {
path->slots[level]++;
continue;
- }
+ } else if (ret < 0)
+ return ret;
level = wc->level;
}
return 0;
}
path->slots[0]++;
}
- ret = -ENOENT;
out:
return ret;
}