所以我有以下设置：
[ec2-user@ip-172-31-9-177 ~]$ lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
xvda 202:0 0 80G 0 disk
??xvda1 202:1 0 6G 0 part /
??xvda2 202:2 0 4G 0 part /data
我发现所有要使用的教程xfs_growfs <mountpoint>都没有用，也没有-d选择：
[ec2-user@ip-172-31-9-177 ~]$ sudo xfs_growfs -d /
meta-data=/dev/xvda1 isize=256 agcount=4, agsize=393216 blks
= sectsz=512 attr=2, projid32bit=1
= crc=0
data = bsize=4096 blocks=1572864, imaxpct=25
= sunit=0 swidth=0 blks
naming =version 2 bsize=4096 ascii-ci=0 ftype=0
log =internal bsize=4096 blocks=2560, version=2
= sectsz=512 sunit=0 blks, lazy-count=1
realtime …