case Opt_alloc_start:
num = match_strdup(&args[0]);
if (num) {
+ mutex_lock(&info->chunk_mutex);
info->alloc_start = memparse(num, NULL);
+ mutex_unlock(&info->chunk_mutex);
kfree(num);
printk(KERN_INFO
"btrfs: allocations start at %llu\n",
fs_info->mount_opt = old_opts;
fs_info->compress_type = old_compress_type;
fs_info->max_inline = old_max_inline;
+ mutex_lock(&fs_info->chunk_mutex);
fs_info->alloc_start = old_alloc_start;
+ mutex_unlock(&fs_info->chunk_mutex);
btrfs_resize_thread_pool(fs_info,
old_thread_pool_size, fs_info->thread_pool_size);
fs_info->metadata_ratio = old_metadata_ratio;