delalloc_root_mutex  697 fs/btrfs/ctree.h 	struct mutex delalloc_root_mutex;
delalloc_root_mutex 2662 fs/btrfs/disk-io.c 	mutex_init(&fs_info->delalloc_root_mutex);
delalloc_root_mutex 10312 fs/btrfs/inode.c 	mutex_lock(&fs_info->delalloc_root_mutex);
delalloc_root_mutex 10344 fs/btrfs/inode.c 	mutex_unlock(&fs_info->delalloc_root_mutex);