Optimization of embedded Linux file system
Limin Fan · Jisuanji gongcheng yu sheji · 2009
To increase the speed of playing high definition film, Linux kernel file system is studied.The problem of I/O speed in USB interface is proposed and the model of core kernel is introduced particularly.Through deeply analyzing NTFS file system reading process, especially Block mechanism and read ahead mechanism etc, an optimization for improving the I/O speed in USB interface is given with a good effect.Results of the experiment indicated the proposed method had good efficiency and optimization performance in increasing the speed of playing high definition film.