+/*
+ * YAFFS: Yet Another Flash File System. A NAND-flash specific file system.
+ *
+ * Copyright (C) 2002-2007 Aleph One Ltd.
+ * for Toby Churchill Ltd and Brightstar Engineering
+ *
+ * Created by Charles Manning <charles@aleph1.co.uk>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
/*
* Test code for the "direct" interface.
*/
}
+void small_mount_test(const char *mountpt,int nmounts)
+{
+
+ char a[30];
+ char b[30];
+ char c[30];
+
+ int i;
+ int j;
+
+ int h0;
+ int h1;
+ int len0;
+ int len1;
+ int nread;
+
+ sprintf(a,"%s/a",mountpt);
+
+ yaffs_StartUp();
+
+
+
+ for(i = 0; i < nmounts; i++){
+
+ static char xx[1000];
+
+ printf("############### Iteration %d Start\n",i);
+ if(1 || i == 0 || i == 5)
+ yaffs_mount(mountpt);
+
+ dump_directory_tree(mountpt);
+
+ yaffs_mkdir(a,0);
+
+ sprintf(xx,"%s/0",a);
+ if(i ==0){
+
+ h0 = yaffs_open(xx, O_RDWR | O_CREAT | O_TRUNC, S_IREAD | S_IWRITE);
+ for(j = 0; j < 130; j++)
+ yaffs_write(h0,xx,1000);
+ yaffs_close(h0);
+ }
+
+ h0 = yaffs_open(xx,O_RDONLY,0);
+
+ sprintf(xx,"%s/1",a);
+ h1 = yaffs_open(xx, O_RDWR | O_CREAT | O_TRUNC, S_IREAD | S_IWRITE);
+
+ while((nread = yaffs_read(h0,xx,1000)) > 0)
+ yaffs_write(h1,xx,nread);
+
+
+ len0 = yaffs_lseek(h0,0,SEEK_END);
+ len1 = yaffs_lseek(h1,0,SEEK_END);
+
+ yaffs_lseek(h0,0,SEEK_SET);
+ yaffs_lseek(h1,0,SEEK_SET);
+
+ for(j = 0; j < 200; j++){
+ yaffs_read(h0,xx,1000);
+ yaffs_read(h1,xx,1000);
+ }
+
+ yaffs_close(h0);
+ yaffs_close(h1);
+
+ printf("########### %d\n",i);
+ dump_directory_tree(mountpt);
+
+ if(1 || i == 4 || i == nmounts -1)
+ yaffs_unmount(mountpt);
+ }
+}
+
+
+int early_exit;
+
+void small_overwrite_test(const char *mountpt,int nmounts)
+{
+
+ char a[30];
+ char b[30];
+ char c[30];
+
+ int i;
+ int j;
+
+ int h0;
+ int h1;
+ int len0;
+ int len1;
+ int nread;
+
+ sprintf(a,"%s/a",mountpt);
+
+ yaffs_StartUp();
+
+
+
+ for(i = 0; i < nmounts; i++){
+
+ static char xx[8000];
+
+ printf("############### Iteration %d Start\n",i);
+ if(1)
+ yaffs_mount(mountpt);
+
+ dump_directory_tree(mountpt);
+
+ yaffs_mkdir(a,0);
+
+ sprintf(xx,"%s/0",a);
+ h0 = yaffs_open(xx, O_RDWR | O_CREAT | O_TRUNC, S_IREAD | S_IWRITE);
+ sprintf(xx,"%s/1",a);
+ h1 = yaffs_open(xx, O_RDWR | O_CREAT | O_TRUNC, S_IREAD | S_IWRITE);
+
+ for(j = 0; j < 1000000; j+=1000){
+ yaffs_truncate(h0,j);
+ yaffs_lseek(h0,j,SEEK_SET);
+ yaffs_write(h0,xx,7000);
+ yaffs_write(h1,xx,7000);
+
+ if(early_exit)
+ exit(0);
+ }
+
+ yaffs_close(h0);
+
+ printf("########### %d\n",i);
+ dump_directory_tree(mountpt);
+
+ if(1)
+ yaffs_unmount(mountpt);
+ }
+}
+
+
void yaffs_touch(const char *fn)
{
yaffs_chmod(fn, S_IREAD | S_IWRITE);
}
}
+
+
+void random_write(int h)
+{
+ static char buffer[12000];
+ int n;
+
+ n = random() & 0x1FFF;
+ yaffs_write(h,buffer,n);
+}
+
+void random_seek(int h)
+{
+ int n;
+ n = random() & 0xFFFFF;
+ yaffs_lseek(h,n,SEEK_SET);
+}
+
+void random_truncate(int h, char * name)
+{
+ int n;
+ int flen;
+ n = random() & 0xFFFFF;
+ flen = yaffs_lseek(h,0,SEEK_END);
+ if(n > flen)
+ n = flen / 2;
+ yaffs_truncate(name,n);
+ yaffs_lseek(h,n,SEEK_SET);
+}
+
+
+#define NSMALLFILES 10
+void random_small_file_test(const char *mountpt,int iterations)
+{
+
+ char a[NSMALLFILES][50];
+
+
+ int i;
+ int n;
+ int j;
+ int h[NSMALLFILES];
+ int r;
+ int fnum;
+
+
+ yaffs_StartUp();
+
+ yaffs_mount(mountpt);
+
+ for(i = 0; i < NSMALLFILES; i++){
+ h[i]=-1;
+ strcpy(a[i],"");
+ }
+
+ for(n = 0; n < iterations; n++){
+
+ for(i = 0; i < NSMALLFILES; i++) {
+ r = random();
+
+ if(strlen(a[i]) == 0){
+ sprintf(a[i],"%s/%dx%d",mountpt,n,i);
+ h[i] = yaffs_open(a,O_RDWR | O_CREAT | O_TRUNC, S_IREAD | S_IWRITE);
+ }
+
+ if(h[i] < -1)
+ printf("Could not open yaffs file %d %d error %d\n",n,i,h[i]);
+ else {
+ r = r & 7;
+ switch(r){
+ case 0:
+ case 1:
+ case 2:
+ random_write(h[i]);
+ break;
+ case 3:
+ random_truncate(h[i],a[i]);
+ break;
+ case 4:
+ case 5: random_seek(h[i]);
+ break;
+ case 6:
+ yaffs_close(h[i]);
+ h[i] = -1;
+ break;
+ case 7:
+ yaffs_close(h[i]);
+ yaffs_unlink(a[i]);
+ strcpy(a[i],"");
+ h[i] = -1;
+ }
+ }
+ }
+
+ }
+
+ for(i = 0; i < NSMALLFILES; i++)
+ yaffs_close(h[i]);
+
+ yaffs_unmount(mountpt);
+}
//return cache_read_test();
- //resize_stress_test_no_grow("/flash",20);
+ resize_stress_test_no_grow("/flash/flash",20);
//huge_directory_test_on_path("/ram2k");
//scan_pattern_test("/flash",10000,10);
//short_scan_test("/flash/flash",40000,200);
- multi_mount_test("/flash/flash",1000);
- //checkpoint_fill_test("/flash/flash",20);
- //checkpoint_upgrade_test("/flash/flash",20);
+ //small_mount_test("/flash/flash",1000);
+ //small_overwrite_test("/flash/flash",1000);
+ //checkpoint_fill_test("/flash/flash",20);
+ // random_small_file_test("/flash/flash",10000);
// huge_array_test("/flash/flash",10);
projects / yaffs2.git / blobdiff