在system.img由282m增加到316m后，用./gen-img.sh出现如下错误：
Creating filesystem with parameters:
Size: 314572800
Block size: 4096
Blocks per group: 32768
Inodes per group: 6400
Inode size: 256
Journal blocks: 1200
Label:
Blocks: 76800
Block groups: 3
Reserved block group size: 23
error: do_inode_allocate_extents: Failed to allocate 4 blocks
请问要在哪里修改，如何修改？
