UFS file system write support (DANGEROUS)

configname: CONFIG_UFS_FS_WRITE

Linux Kernel Configuration
└─>File systems
└─>Miscellaneous filesystems
└─>UFS file system write support (DANGEROUS)
In linux kernel since version 2.6.20 (release Date: 2007-02-04)  
Say Y here if you want to try writing to UFS partitions. This is
experimental, so you should back up your UFS partitions beforehand.