为什么在删除其他文件时断电后，JFFS2中的文件会被损坏

I am working with Linux (3.4.31+) embedded system booting from JFFS2 partition. I frequently encounter a problem of a file corruption when power loss occurs while other files are being removed. It happens during upgrade procedure of the platform. These are simplified steps of the upgrade:I am working with Linux (3.4.31+) embedded syst