BTRFS_MAX_ROOTREF_BUFFER_NUM 2802 fs/btrfs/ioctl.c 		if (found == BTRFS_MAX_ROOTREF_BUFFER_NUM) {
BTRFS_MAX_ROOTREF_BUFFER_NUM  818 include/uapi/linux/btrfs.h 		} rootref[BTRFS_MAX_ROOTREF_BUFFER_NUM];