mount kvm disk image

加载
1. kpartx -av disk.img
add map loop0p1 (253:0): 0 1863477 linear /dev/loop0 63
add map loop0p2 (253:1): 0 224910 linear /dev/loop0 1863540
add map loop0p5 : 0 224847 linear 253:1 63

2. mount /dev/mapper/loop0p1 /mnt/
通常image的根文件系统都被映射到loop0p1

卸载

1. unmount /mnt
2. kpartx -dv diks.img

del devmap : loop0p5
del devmap : loop0p2
del devmap : loop0p1