Samsung V1.3.0 - Manual (Page 17)

Figure 3-3 File system screen of Kernel menu
Figure 3-3 shows the detailed RFS configuration.
1. The first is FAT32 and long file name support
2. The second is direct I/O support. But, this feature is experimental and should not be used
in production environment.
3. The third is debugging message option
☞ NOTE
You have to execute the ‘mkrfsnod’ utility on the target for making device nodes used by XSR
block device driver. The detailed usage of this program is described in Ftools Utility Guide
document.
3.2.3 Building Linux Kernel and RFS Kernel Module
In this build step, the first thing you should do is to check the kernel make options. Following
are the make options you should check. You can confirm the following make options typing
“make menuconfig” on the shell command line.
†
You should turn on the make option for “EXPERIMENTAL” kernel features in .config file.
9 Linux RFS v1.3.0 Porting Guide