Symbol: BTRFS_UUID_UNPARSED_SIZE
fs/btrfs/sysfs.c
2220
char fsid_buf[BTRFS_UUID_UNPARSED_SIZE];
fs/btrfs/sysfs.c
2226
snprintf(fsid_buf, BTRFS_UUID_UNPARSED_SIZE, "%pU", fs_devices->fsid);