jffs2_gc_fetch_page 1240 fs/jffs2/gc.c  	pg_ptr = jffs2_gc_fetch_page(c, f, start, &pg);
jffs2_gc_fetch_page  192 fs/jffs2/os-linux.h unsigned char *jffs2_gc_fetch_page(struct jffs2_sb_info *c,