BTRFS_IOC_FS_INFO  614 src/gpt-auto-generator/gpt-auto-generator.c         if (ioctl(fd, BTRFS_IOC_FS_INFO, &fsi) < 0)
BTRFS_IOC_FS_INFO  255 src/shared/missing.h #ifndef BTRFS_IOC_FS_INFO