2 * YAFFS: Yet another FFS. A NAND-flash specific file system.
4 * Copyright (C) 2002 Aleph One Ltd.
5 * for Toby Churchill Ltd and Brightstar Engineering
7 * Created by Charles Manning <charles@aleph1.co.uk>
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License version 2 as
11 * published by the Free Software Foundation.
25 void dumpDir(const char *dname);
29 void copy_in_a_file(char *yaffsName,char *inName)
32 unsigned char buffer[100];
34 inh = open(inName,O_RDONLY);
35 outh = yaffs_open(yaffsName, O_CREAT | O_RDWR | O_TRUNC, S_IREAD | S_IWRITE);
37 while((ni = read(inh,buffer,100)) > 0)
39 no = yaffs_write(outh,buffer,ni);
42 printf("problem writing yaffs file\n");
51 void make_a_file(char *yaffsName,char bval,int sizeOfFile)
55 unsigned char buffer[100];
57 outh = yaffs_open(yaffsName, O_CREAT | O_RDWR | O_TRUNC, S_IREAD | S_IWRITE);
59 memset(buffer,bval,100);
66 yaffs_write(outh,buffer,i);
68 } while (sizeOfFile > 0);
75 void make_pattern_file(char *fn,int size)
80 outh = yaffs_open(fn, O_CREAT | O_RDWR | O_TRUNC, S_IREAD | S_IWRITE);
81 yaffs_lseek(outh,size-1,SEEK_SET);
82 yaffs_write(outh,"A",1);
84 for(i = 0; i < size; i+=256)
87 yaffs_lseek(outh,i,SEEK_SET);
88 yaffs_write(outh,&marker,sizeof(marker));
94 int check_pattern_file(char *fn)
102 h = yaffs_open(fn, O_RDWR,0);
103 size = yaffs_lseek(h,0,SEEK_END);
105 for(i = 0; i < size; i+=256)
107 yaffs_lseek(h,i,SEEK_SET);
108 yaffs_read(h,&marker,sizeof(marker));
112 printf("pattern check failed on file %s, size %d at position %d. Got %x instead of %x\n",
113 fn,size,i,marker,~i);
124 int dump_file_data(char *fn)
131 h = yaffs_open(fn, O_RDWR,0);
135 while(yaffs_read(h,&b,1)> 0)
152 void dump_file(const char *fn)
158 h = yaffs_open(fn,O_RDONLY,0);
161 printf("*****\nDump file %s does not exist\n",fn);
165 size = yaffs_lseek(h,0,SEEK_SET);
166 printf("*****\nDump file %s size %d\n",fn,size);
167 for(i = 0; i < size; i++)
174 void create_file_of_size(const char *fn,int syze)
182 int iterations = (syze + strlen(fn) -1)/ strlen(fn);
184 h = yaffs_open(fn, O_CREAT | O_RDWR | O_TRUNC, S_IREAD | S_IWRITE);
186 while (iterations > 0)
188 sprintf(xx,"%s %8d",fn,iterations);
190 result = yaffs_write(h,xx,n);
192 printf("Wrote %d, should have been %d\n",result,n);
198 void verify_file_of_size(const char *fn,int syze)
207 int iterations = (syze + strlen(fn) -1)/ strlen(fn);
209 h = yaffs_open(fn, O_RDONLY, S_IREAD | S_IWRITE);
211 while (iterations > 0)
213 sprintf(xx,"%s %8d",fn,iterations);
216 result = yaffs_read(h,yy,l);
220 printf("=====>>>>> verification of file %s failed near position %lld\n",fn,(long long)yaffs_lseek(h,0,SEEK_CUR));
227 void create_resized_file_of_size(const char *fn,int syze1,int reSyze, int syze2)
233 h = yaffs_open(fn, O_CREAT | O_RDWR | O_TRUNC, S_IREAD | S_IWRITE);
235 iterations = (syze1 + strlen(fn) -1)/ strlen(fn);
236 while (iterations > 0)
238 yaffs_write(h,fn,strlen(fn));
242 yaffs_ftruncate(h,reSyze);
244 yaffs_lseek(h,0,SEEK_SET);
245 iterations = (syze2 + strlen(fn) -1)/ strlen(fn);
246 while (iterations > 0)
248 yaffs_write(h,fn,strlen(fn));
256 void do_some_file_stuff(const char *path)
261 sprintf(fn,"%s/%s",path,"f1");
262 create_file_of_size(fn,10000);
264 sprintf(fn,"%s/%s",path,"fdel");
265 create_file_of_size(fn,10000);
268 sprintf(fn,"%s/%s",path,"f2");
270 create_resized_file_of_size(fn,10000,3000,4000);
273 void yaffs_backward_scan_test(const char *path)
281 do_some_file_stuff(path);
283 sprintf(fn,"%s/ddd",path);
287 do_some_file_stuff(fn);
297 void yaffs_device_flush_test(const char *path)
307 do_some_file_stuff(path);
309 // Open and add some data to a few files
310 for(i = 0; i < 10; i++) {
312 sprintf(fn,"%s/ff%d",path,i);
314 h = yaffs_open(fn, O_CREAT | O_RDWR | O_TRUNC, S_IWRITE | S_IREAD);
315 yaffs_write(h,xxzz,2000);
316 yaffs_write(h,xxzz,2000);
325 void short_scan_test(const char *path, int fsize, int niterations)
330 sprintf(fn,"%s/%s",path,"f1");
333 for(i = 0; i < niterations; i++)
335 printf("\n*****************\nIteration %d\n",i);
337 printf("\nmount: Directory look-up of %s\n",path);
339 make_a_file(fn,1,fsize);
346 void scan_pattern_test(const char *path, int fsize, int niterations)
353 sprintf(fn[0],"%s/%s",path,"f0");
354 sprintf(fn[1],"%s/%s",path,"f1");
355 sprintf(fn[2],"%s/%s",path,"f2");
359 for(i = 0; i < niterations; i++)
361 printf("\n*****************\nIteration %d\n",i);
363 printf("\nmount: Directory look-up of %s\n",path);
365 for(j = 0; j < 3; j++)
367 result = dump_file_data(fn[j]);
368 result = check_pattern_file(fn[j]);
369 make_pattern_file(fn[j],fsize);
370 result = dump_file_data(fn[j]);
371 result = check_pattern_file(fn[j]);
377 void fill_disk(const char *path,int nfiles)
386 for(n = 0; n < nfiles; n++)
388 sprintf(str,"%s/%d",path,n);
390 h = yaffs_open(str, O_CREAT | O_RDWR | O_TRUNC, S_IREAD | S_IWRITE);
392 printf("writing file %s handle %d ",str, h);
394 while ((result = yaffs_write(h,xx,600)) == 600)
396 f = yaffs_freespace(path);
398 result = yaffs_close(h);
399 printf(" close %d\n",result);
403 void fill_disk_and_delete(const char *path, int nfiles, int ncycles)
409 for(i = 0; i < ncycles; i++)
411 printf("@@@@@@@@@@@@@@ cycle %d\n",i);
412 fill_disk(path,nfiles);
414 for(j = 0; j < nfiles; j++)
416 sprintf(str,"%s/%d",path,j);
417 result = yaffs_unlink(str);
418 printf("unlinking file %s, result %d\n",str,result);
424 void fill_files(char *path,int flags, int maxIterations,int siz)
434 sprintf(str,"%s/%d",path,i);
435 h = yaffs_open(str, O_CREAT | O_TRUNC | O_RDWR,S_IREAD | S_IWRITE);
440 for(j = 0; j < siz; j++)
442 yaffs_write(h,str,1);
451 } while(h >= 0 && i < maxIterations);
457 sprintf(str,"%s/%d",path,i);
458 printf("unlink %s\n",str);
460 } while(yaffs_unlink(str) >= 0);
464 void leave_unlinked_file(char *path,int maxIterations,int siz)
473 sprintf(str,"%s/%d",path,i);
474 printf("create %s\n",str);
475 h = yaffs_open(str, O_CREAT | O_TRUNC | O_RDWR,S_IREAD | S_IWRITE);
481 } while(h < 0 && i < maxIterations);
485 for(i = 0; i < siz; i++)
487 yaffs_write(h,str,1);
491 printf("Leaving file %s open\n",str);
495 void dumpDirFollow(const char *dname)
502 d = yaffs_opendir(dname);
506 printf("opendir failed\n");
510 while((de = yaffs_readdir(d)) != NULL)
512 sprintf(str,"%s/%s",dname,de->d_name);
516 printf("%s ino %d length %d mode %X ",de->d_name,(int)s.st_ino,(int)s.st_size,s.st_mode);
517 switch(s.st_mode & S_IFMT)
519 case S_IFREG: printf("data file"); break;
520 case S_IFDIR: printf("directory"); break;
521 case S_IFLNK: printf("symlink -->");
522 if(yaffs_readlink(str,str,100) < 0)
525 printf("\"%s\"",str);
527 default: printf("unknown"); break;
537 printf("Free space in %s is %d\n\n",dname,(int)yaffs_freespace(dname));
542 void dump_directory_tree_worker(const char *dname,int recursive)
549 d = yaffs_opendir(dname);
553 printf("opendir failed\n");
557 while((de = yaffs_readdir(d)) != NULL)
559 sprintf(str,"%s/%s",dname,de->d_name);
563 printf("%s inode %d obj %x length %d mode %X ",str,s.st_ino,de->d_dont_use,(int)s.st_size,s.st_mode);
564 switch(s.st_mode & S_IFMT)
566 case S_IFREG: printf("data file"); break;
567 case S_IFDIR: printf("directory"); break;
568 case S_IFLNK: printf("symlink -->");
569 if(yaffs_readlink(str,str,100) < 0)
572 printf("\"%s\"",str);
574 default: printf("unknown"); break;
579 if((s.st_mode & S_IFMT) == S_IFDIR && recursive)
580 dump_directory_tree_worker(str,1);
589 static void dump_directory_tree(const char *dname)
591 dump_directory_tree_worker(dname,1);
593 printf("Free space in %s is %d\n\n",dname,(int)yaffs_freespace(dname));
596 void dumpDir(const char *dname)
597 { dump_directory_tree_worker(dname,0);
599 printf("Free space in %s is %d\n\n",dname,(int)yaffs_freespace(dname));
603 static void PermissionsCheck(const char *path, mode_t tmode, int tflags,int expectedResult)
607 if(yaffs_chmod(path,tmode)< 0) printf("chmod failed\n");
609 fd = yaffs_open(path,tflags,0);
611 if((fd >= 0) != (expectedResult > 0))
613 printf("Permissions check %x %x %d failed\n",tmode,tflags,expectedResult);
617 printf("Permissions check %x %x %d OK\n",tmode,tflags,expectedResult);
626 int long_test(int argc, char *argv[])
637 struct yaffs_stat ystat;
641 yaffs_mount("/boot");
642 yaffs_mount("/data");
643 yaffs_mount("/flash");
646 printf("\nDirectory look-up of /boot\n");
648 printf("\nDirectory look-up of /data\n");
650 printf("\nDirectory look-up of /flash\n");
653 //leave_unlinked_file("/flash",20000,0);
654 //leave_unlinked_file("/data",20000,0);
656 leave_unlinked_file("/ram",20,0);
659 f = yaffs_open("/boot/b1", O_RDONLY,0);
661 printf("open /boot/b1 readonly, f=%d\n",f);
663 f = yaffs_open("/boot/b1", O_CREAT,S_IREAD | S_IWRITE);
665 printf("open /boot/b1 O_CREAT, f=%d\n",f);
668 r = yaffs_write(f,"hello",1);
669 printf("write %d attempted to write to a read-only file\n",r);
673 printf("close %d\n",r);
675 f = yaffs_open("/boot/b1", O_RDWR,0);
677 printf("open /boot/b1 O_RDWR,f=%d\n",f);
680 r = yaffs_write(f,"hello",2);
681 printf("write %d attempted to write to a writeable file\n",r);
682 r = yaffs_write(f,"world",3);
683 printf("write %d attempted to write to a writeable file\n",r);
685 r= yaffs_lseek(f,0,SEEK_END);
686 printf("seek end %d\n",r);
688 r = yaffs_read(f,buffer,10);
689 printf("read %d \"%s\"\n",r,buffer);
690 r= yaffs_lseek(f,0,SEEK_SET);
691 printf("seek set %d\n",r);
693 r = yaffs_read(f,buffer,10);
694 printf("read %d \"%s\"\n",r,buffer);
696 r = yaffs_read(f,buffer,10);
697 printf("read %d \"%s\"\n",r,buffer);
699 // Check values reading at end.
700 // A read past end of file should return 0 for 0 bytes read.
702 r= yaffs_lseek(f,0,SEEK_END);
703 r = yaffs_read(f,buffer,10);
704 printf("read at end returned %d\n",r);
705 r= yaffs_lseek(f,500,SEEK_END);
706 r = yaffs_read(f,buffer,10);
707 printf("read past end returned %d\n",r);
711 printf("close %d\n",r);
713 copy_in_a_file("/boot/yyfile","xxx");
715 // Create a file with a long name
717 copy_in_a_file("/boot/file with a long name","xxx");
720 printf("\nDirectory look-up of /boot\n");
724 r = yaffs_stat("/boot/file with a long name",&ystat);
728 r = yaffs_rename("/boot/file with a long name","/boot/r1");
730 printf("\nDirectory look-up of /boot\n");
734 r = yaffs_unlink("/boot/r1");
736 printf("\nDirectory look-up of /boot\n");
741 r = yaffs_mkdir("/boot/directory1",0);
743 printf("\nDirectory look-up of /boot\n");
745 printf("\nDirectory look-up of /boot/directory1\n");
746 dumpDir("/boot/directory1");
748 // add a file to the directory
749 copy_in_a_file("/boot/directory1/file with a long name","xxx");
751 printf("\nDirectory look-up of /boot\n");
753 printf("\nDirectory look-up of /boot/directory1\n");
754 dumpDir("/boot/directory1");
756 // Attempt to delete directory (should fail)
758 r = yaffs_rmdir("/boot/directory1");
760 printf("\nDirectory look-up of /boot\n");
762 printf("\nDirectory look-up of /boot/directory1\n");
763 dumpDir("/boot/directory1");
765 // Delete file first, then rmdir should work
766 r = yaffs_unlink("/boot/directory1/file with a long name");
767 r = yaffs_rmdir("/boot/directory1");
770 printf("\nDirectory look-up of /boot\n");
772 printf("\nDirectory look-up of /boot/directory1\n");
773 dumpDir("/boot/directory1");
776 fill_disk_and_delete("/boot",20,20);
778 printf("\nDirectory look-up of /boot\n");
782 yaffs_symlink("yyfile","/boot/slink");
784 yaffs_readlink("/boot/slink",str,100);
785 printf("symlink alias is %s\n",str);
790 printf("\nDirectory look-up of /boot\n");
792 printf("\nDirectory look-up of /boot (using stat instead of lstat)\n");
793 dumpDirFollow("/boot");
794 printf("\nDirectory look-up of /boot/directory1\n");
795 dumpDir("/boot/directory1");
797 h = yaffs_open("/boot/slink",O_RDWR,0);
799 printf("file length is %d\n",(int)yaffs_lseek(h,0,SEEK_END));
803 yaffs_unlink("/boot/slink");
806 printf("\nDirectory look-up of /boot\n");
811 yaffs_stat("/boot/yyfile",&ystat);
812 temp_mode = ystat.st_mode;
814 yaffs_chmod("/boot/yyfile",0x55555);
815 printf("\nDirectory look-up of /boot\n");
818 yaffs_chmod("/boot/yyfile",temp_mode);
819 printf("\nDirectory look-up of /boot\n");
822 // Permission checks...
823 PermissionsCheck("/boot/yyfile",0, O_WRONLY,0);
824 PermissionsCheck("/boot/yyfile",0, O_RDONLY,0);
825 PermissionsCheck("/boot/yyfile",0, O_RDWR,0);
827 PermissionsCheck("/boot/yyfile",S_IREAD, O_WRONLY,0);
828 PermissionsCheck("/boot/yyfile",S_IREAD, O_RDONLY,1);
829 PermissionsCheck("/boot/yyfile",S_IREAD, O_RDWR,0);
831 PermissionsCheck("/boot/yyfile",S_IWRITE, O_WRONLY,1);
832 PermissionsCheck("/boot/yyfile",S_IWRITE, O_RDONLY,0);
833 PermissionsCheck("/boot/yyfile",S_IWRITE, O_RDWR,0);
835 PermissionsCheck("/boot/yyfile",S_IREAD | S_IWRITE, O_WRONLY,1);
836 PermissionsCheck("/boot/yyfile",S_IREAD | S_IWRITE, O_RDONLY,1);
837 PermissionsCheck("/boot/yyfile",S_IREAD | S_IWRITE, O_RDWR,1);
839 yaffs_chmod("/boot/yyfile",temp_mode);
841 //create a zero-length file and unlink it (test for scan bug)
843 h = yaffs_open("/boot/zlf",O_CREAT | O_TRUNC | O_RDWR,0);
846 yaffs_unlink("/boot/zlf");
849 yaffs_DumpDevStruct("/boot");
851 fill_disk_and_delete("/boot",20,20);
853 yaffs_DumpDevStruct("/boot");
855 fill_files("/boot",1,10000,0);
856 fill_files("/boot",1,10000,5000);
857 fill_files("/boot",2,10000,0);
858 fill_files("/boot",2,10000,5000);
860 leave_unlinked_file("/data",20000,0);
861 leave_unlinked_file("/data",20000,5000);
862 leave_unlinked_file("/data",20000,5000);
863 leave_unlinked_file("/data",20000,5000);
864 leave_unlinked_file("/data",20000,5000);
865 leave_unlinked_file("/data",20000,5000);
867 yaffs_DumpDevStruct("/boot");
868 yaffs_DumpDevStruct("/data");
876 int huge_directory_test_on_path(char *path)
896 // Create a large number of files
898 for(i = 0; i < 2000; i++)
900 sprintf(str,"%s/%d",path,i);
902 f = yaffs_open(str,O_CREAT,S_IREAD | S_IWRITE);
908 d = yaffs_opendir(path);
911 while((de = yaffs_readdir(d)) != NULL) {
912 if (total >lastTotal+100*9*1024||(i & 1023)==0){
913 printf("files = %d, total = %d\n",i, total);
917 sprintf(str,"%s/%s",path,de->d_name);
919 switch(s.st_mode & S_IFMT){
921 //printf("data file");
933 int yaffs_scan_test(const char *path)
939 void rename_over_test(const char *mountpt)
945 sprintf(a,"%s/a",mountpt);
946 sprintf(b,"%s/b",mountpt);
950 yaffs_mount(mountpt);
952 printf("Existing files\n");
953 dumpDirFollow(mountpt);
956 i = yaffs_open(a,O_CREAT | O_TRUNC | O_RDWR, 0);
958 i = yaffs_open(b,O_CREAT | O_TRUNC | O_RDWR, 0);
960 yaffs_rename(a,b); // rename over
961 yaffs_rename(b,a); // rename back again (not renaimng over)
962 yaffs_rename(a,b); // rename back again (not renaimng over)
965 yaffs_unmount(mountpt);
970 int resize_stress_test(const char *path)
985 sprintf(aname,"%s%s",path,"/a");
986 sprintf(bname,"%s%s",path,"/b");
988 memset(abuffer,'a',1000);
989 memset(bbuffer,'b',1000);
991 a = yaffs_open(aname, O_CREAT | O_TRUNC | O_RDWR, S_IREAD | S_IWRITE);
992 b = yaffs_open(bname, O_CREAT | O_TRUNC | O_RDWR, S_IREAD | S_IWRITE);
994 printf(" %s %d %s %d\n",aname,a,bname,b);
998 for(j = 0; j < 100; j++)
1000 yaffs_lseek(a,0,SEEK_END);
1003 for(i = 0; i <20000; i++)
1005 //r = yaffs_lseek(b,i,SEEK_SET);
1006 //r = yaffs_write(b,bbuffer,1000);
1011 int syz = yaffs_lseek(a,0,SEEK_END);
1014 if(syz < 0) syz = 0;
1015 yaffs_ftruncate(a,syz);
1021 r = yaffs_lseek(a,i * 500,SEEK_SET);
1022 r = yaffs_write(a,abuffer,1000);
1033 int root_perm_remount(const char *path)
1035 struct yaffs_stat s;
1041 yaffs_stat(path,&s);
1042 printf("root perms after mount %x\n",s.st_mode);
1044 yaffs_chmod(path, 0777);
1046 yaffs_stat(path,&s);
1047 printf("root perms after setting to 0777 is %x\n",s.st_mode);
1049 yaffs_unmount(path);
1056 int resize_stress_test_no_grow_complex(const char *path,int iters)
1072 sprintf(aname,"%s%s",path,"/a");
1073 sprintf(bname,"%s%s",path,"/b");
1075 memset(abuffer,'a',1000);
1076 memset(bbuffer,'b',1000);
1078 a = yaffs_open(aname, O_CREAT | O_TRUNC | O_RDWR, S_IREAD | S_IWRITE);
1079 b = yaffs_open(bname, O_CREAT | O_TRUNC | O_RDWR, S_IREAD | S_IWRITE);
1081 printf(" %s %d %s %d\n",aname,a,bname,b);
1085 for(j = 0; j < iters; j++)
1087 yaffs_lseek(a,0,SEEK_END);
1090 for(i = 0; i <20000; i++)
1092 //r = yaffs_lseek(b,i,SEEK_SET);
1093 //r = yaffs_write(b,bbuffer,1000);
1098 int syz = yaffs_lseek(a,0,SEEK_END);
1104 if(syz < 0) syz = 0;
1105 yaffs_ftruncate(a,syz);
1106 syz = yaffs_lseek(a,0,SEEK_END);
1107 printf("shrink to %d\n",syz);
1115 r = yaffs_lseek(a,500,SEEK_END);
1116 r = yaffs_write(a,abuffer,1000);
1123 printf("file size is %lld\n",(long long)yaffs_lseek(a,0,SEEK_END));
1131 int resize_stress_test_no_grow(const char *path,int iters)
1146 sprintf(aname,"%s%s",path,"/a");
1147 sprintf(bname,"%s%s",path,"/b");
1149 memset(abuffer,'a',1000);
1150 memset(bbuffer,'b',1000);
1152 a = yaffs_open(aname, O_CREAT | O_TRUNC | O_RDWR, S_IREAD | S_IWRITE);
1153 b = yaffs_open(bname, O_CREAT | O_TRUNC | O_RDWR, S_IREAD | S_IWRITE);
1155 printf(" %s %d %s %d\n",aname,a,bname,b);
1159 for(j = 0; j < iters; j++)
1161 yaffs_lseek(a,0,SEEK_END);
1164 for(i = 0; i <20000; i++)
1166 //r = yaffs_lseek(b,i,SEEK_SET);
1167 //r = yaffs_write(b,bbuffer,1000);
1172 int syz = yaffs_lseek(a,0,SEEK_END);
1178 if(syz < 0) syz = 0;
1179 yaffs_ftruncate(a,syz);
1180 syz = yaffs_lseek(a,0,SEEK_END);
1181 printf("shrink to %d\n",syz);
1189 r = yaffs_lseek(a,-500,SEEK_END);
1190 r = yaffs_write(a,abuffer,1000);
1196 printf("file size is %lld\n",(long long)yaffs_lseek(a,0,SEEK_END));
1204 int directory_rename_test(void)
1209 yaffs_mount("/ram");
1210 yaffs_mkdir("/ram/a",0);
1211 yaffs_mkdir("/ram/a/b",0);
1212 yaffs_mkdir("/ram/c",0);
1214 printf("\nDirectory look-up of /ram\n");
1217 dumpDir("/ram/a/b");
1219 printf("Do rename (should fail)\n");
1221 r = yaffs_rename("/ram/a","/ram/a/b/d");
1222 printf("\nDirectory look-up of /ram\n");
1225 dumpDir("/ram/a/b");
1227 printf("Do rename (should not fail)\n");
1229 r = yaffs_rename("/ram/c","/ram/a/b/d");
1230 printf("\nDirectory look-up of /ram\n");
1233 dumpDir("/ram/a/b");
1240 int cache_read_test(void)
1244 int sizeOfFiles = 500000;
1249 yaffs_mount("/boot");
1251 make_a_file("/boot/a",'a',sizeOfFiles);
1252 make_a_file("/boot/b",'b',sizeOfFiles);
1254 a = yaffs_open("/boot/a",O_RDONLY,0);
1255 b = yaffs_open("/boot/b",O_RDONLY,0);
1256 c = yaffs_open("/boot/c", O_CREAT | O_RDWR | O_TRUNC, S_IREAD | S_IWRITE);
1260 if (i > 100) i = 100;
1262 yaffs_read(a,buffer,i);
1263 yaffs_read(b,buffer,i);
1264 yaffs_write(c,buffer,i);
1265 } while(sizeOfFiles > 0);
1273 int cache_bypass_bug_test(void)
1275 // This test reporoduces a bug whereby YAFFS caching *was* buypassed
1276 // resulting in erroneous reads after writes.
1277 // This bug has been fixed.
1283 memset(buffer1,0,sizeof(buffer1));
1284 memset(buffer2,0,sizeof(buffer2));
1288 yaffs_mount("/boot");
1290 // Create a file of 2000 bytes.
1291 make_a_file("/boot/a",'X',2000);
1293 a = yaffs_open("/boot/a",O_RDWR, S_IREAD | S_IWRITE);
1295 // Write a short sequence to the file.
1296 // This will go into the cache.
1297 yaffs_lseek(a,0,SEEK_SET);
1298 yaffs_write(a,"abcdefghijklmnopqrstuvwxyz",20);
1300 // Read a short sequence from the file.
1301 // This will come from the cache.
1302 yaffs_lseek(a,0,SEEK_SET);
1303 yaffs_read(a,buffer1,30);
1305 // Read a page size sequence from the file.
1306 yaffs_lseek(a,0,SEEK_SET);
1307 yaffs_read(a,buffer2,512);
1309 printf("buffer 1 %s\n",buffer1);
1310 printf("buffer 2 %s\n",buffer2);
1312 if(strncmp(buffer1,buffer2,20))
1314 printf("Cache bypass bug detected!!!!!\n");
1322 int free_space_check(void)
1327 yaffs_mount("/boot");
1328 fill_disk("/boot/",2);
1329 f = yaffs_freespace("/boot");
1331 printf("%d free when disk full\n",f);
1335 int truncate_test(void)
1345 yaffs_mount("/boot");
1347 yaffs_unlink("/boot/trunctest");
1349 a = yaffs_open("/boot/trunctest", O_CREAT | O_TRUNC | O_RDWR, S_IREAD | S_IWRITE);
1351 yaffs_write(a,"abcdefghijklmnopqrstuvwzyz",26);
1353 yaffs_ftruncate(a,3);
1354 l= yaffs_lseek(a,0,SEEK_END);
1356 printf("truncated length is %d\n",l);
1358 yaffs_lseek(a,5,SEEK_SET);
1359 yaffs_write(a,"1",1);
1361 yaffs_lseek(a,0,SEEK_SET);
1363 r = yaffs_read(a,y,10);
1365 printf("read %d bytes:",r);
1367 for(i = 0; i < r; i++) printf("[%02X]",y[i]);
1379 void fill_disk_test(const char *mountpt)
1384 for(i = 0; i < 5; i++)
1386 yaffs_mount(mountpt);
1387 fill_disk_and_delete(mountpt,100,i+1);
1388 yaffs_unmount(mountpt);
1395 void lookup_test(const char *mountpt)
1407 yaffs_mount(mountpt);
1409 d = yaffs_opendir(mountpt);
1413 printf("opendir failed\n");
1418 for(i = 0; (de = yaffs_readdir(d)) != NULL; i++)
1420 printf("unlinking %s\n",de->d_name);
1421 yaffs_unlink(de->d_name);
1424 printf("%d files deleted\n",i);
1428 for(i = 0; i < 2000; i++){
1429 sprintf(a,"%s/%d",mountpt,i);
1430 h = yaffs_open(a,O_CREAT | O_TRUNC | O_RDWR, 0);
1435 for(i = 0; (de = yaffs_readdir(d)) != NULL; i++)
1437 printf("%d %s\n",i,de->d_name);
1440 printf("%d files listed\n\n\n",i);
1447 for(i = 0; i < 2000; i++){
1448 sprintf(a,"%s/%d",mountpt,i);
1453 yaffs_unmount(mountpt);
1457 void link_test(const char *mountpt)
1465 sprintf(a,"%s/aaa",mountpt);
1466 sprintf(b,"%s/bbb",mountpt);
1467 sprintf(c,"%s/ccc",mountpt);
1471 yaffs_mount(mountpt);
1474 h = yaffs_open(a, O_CREAT | O_TRUNC | O_RDWR, S_IREAD | S_IWRITE);
1475 for(i = 0; i < 100; i++)
1476 yaffs_write(h,a,100);
1489 yaffs_unmount(mountpt);
1490 yaffs_mount(mountpt);
1492 printf("link test done\n");
1496 void freespace_test(const char *mountpt)
1506 sprintf(a,"%s/aaa",mountpt);
1510 yaffs_mount(mountpt);
1512 f0 = yaffs_freespace(mountpt);
1514 h = yaffs_open(a, O_CREAT | O_TRUNC | O_RDWR, S_IREAD | S_IWRITE);
1516 for(i = 0; i < 100; i++)
1517 yaffs_write(h,a,100);
1521 f1 = yaffs_freespace(mountpt);
1525 f2 = yaffs_freespace(mountpt);
1528 yaffs_unmount(mountpt);
1529 yaffs_mount(mountpt);
1531 f3 = yaffs_freespace(mountpt);
1533 printf("%d\n%d\n%d\n%d\n",f0, f1,f2,f3);
1538 void simple_rw_test(const char *mountpt)
1547 sprintf(a,"%s/aaa",mountpt);
1551 yaffs_mount(mountpt);
1555 h = yaffs_open(a,O_CREAT| O_TRUNC | O_RDWR, S_IREAD | S_IWRITE);
1557 for(i = 100000;i < 200000; i++){
1558 result = yaffs_write(h,&i,sizeof(i));
1562 printf("write error\n");
1569 // h = yaffs_open(a,O_RDWR, S_IREAD | S_IWRITE);
1572 yaffs_lseek(h,0,SEEK_SET);
1574 for(i = 100000; i < 200000; i++){
1575 result = yaffs_read(h,&x,sizeof(x));
1577 if(result != 4 || x != i){
1578 printf("read error %d %x %x\n",i,result,x);
1582 printf("Simple rw test passed\n");
1589 void scan_deleted_files_test(const char *mountpt)
1601 sprintf(sub,"%s/sdir",mountpt);
1604 for(j = 0; j < 10; j++)
1606 printf("\n\n>>>>>>> Run %d <<<<<<<<<<<<<\n\n",j);
1607 yaffs_mount(mountpt);
1611 p = (j & 0) ? mountpt: sub;
1613 for(i = 0; i < 100; i++)
1615 sprintf(fn,"%s/%d",p,i);
1619 h = yaffs_open(fn,O_CREAT | O_TRUNC | O_RDWR, S_IREAD | S_IWRITE);
1620 for(k = 0; k < 1000; k++)
1621 yaffs_write(h,fn,100);
1628 for(i = 0; i < 10; i++)
1630 sprintf(fn,"%s/%d",p,i);
1638 yaffs_unmount(mountpt);
1647 void write_10k(int h)
1650 const char *s="0123456789";
1651 for(i = 0; i < 1000; i++)
1652 yaffs_write(h,s,10);
1655 void write_200k_file(const char *fn, const char *fdel, const char *fdel1)
1661 h1 = yaffs_open(fn, O_CREAT | O_TRUNC | O_RDWR, S_IREAD | S_IWRITE);
1663 for(i = 0; i < 100000; i+= 10000)
1668 offs = yaffs_lseek(h1,0,SEEK_CUR);
1671 printf("Could not write file\n");
1675 for(i = 0; i < 100000; i+= 10000)
1680 offs = yaffs_lseek(h1,0,SEEK_CUR);
1683 printf("Could not write file\n");
1687 yaffs_unlink(fdel1);
1692 void verify_200k_file(const char *fn)
1697 const char *s="0123456789";
1700 h1 = yaffs_open(fn, O_RDONLY, 0);
1702 for(i = 0; i < 200000 && errCount < 10; i+= 10)
1704 yaffs_read(h1,x,10);
1705 if(strncmp(x,s,10) != 0)
1707 printf("File %s verification failed at %d\n",fn,i);
1712 printf("Too many errors... aborted\n");
1719 void check_resize_gc_bug(const char *mountpt)
1728 sprintf(a,"%s/a",mountpt);
1729 sprintf(b,"%s/b",mountpt);
1730 sprintf(c,"%s/c",mountpt);
1736 yaffs_mount(mountpt);
1740 for(i = 0; i < 50; i++)
1742 printf("A\n");write_200k_file(a,"",c);
1743 printf("B\n");verify_200k_file(a);
1744 printf("C\n");write_200k_file(b,a,c);
1745 printf("D\n");verify_200k_file(b);
1746 yaffs_unmount(mountpt);
1747 yaffs_mount(mountpt);
1748 printf("E\n");verify_200k_file(a);
1749 printf("F\n");verify_200k_file(b);
1755 void multi_mount_test(const char *mountpt,int nmounts)
1763 sprintf(a,"%s/a",mountpt);
1767 for(i = 0; i < nmounts; i++){
1773 static char xx[1000];
1775 printf("############### Iteration %d Start\n",i);
1776 if(1 || i == 0 || i == 5)
1777 yaffs_mount(mountpt);
1779 dump_directory_tree(mountpt);
1784 sprintf(xx,"%s/0",a);
1785 h0 = yaffs_open(xx, O_RDWR | O_CREAT | O_TRUNC, S_IREAD | S_IWRITE);
1787 sprintf(xx,"%s/1",a);
1788 h1 = yaffs_open(xx, O_RDWR | O_CREAT | O_TRUNC, S_IREAD | S_IWRITE);
1791 for(j = 0; j < 200; j++){
1792 yaffs_write(h0,xx,1000);
1793 yaffs_write(h1,xx,1000);
1796 while(yaffs_write(h0,xx,1000) > 0){
1798 yaffs_write(h1,xx,1000);
1801 len0 = yaffs_lseek(h0,0,SEEK_END);
1802 len1 = yaffs_lseek(h1,0,SEEK_END);
1804 yaffs_lseek(h0,0,SEEK_SET);
1805 yaffs_lseek(h1,0,SEEK_SET);
1807 for(j = 0; j < 200; j++){
1808 yaffs_read(h0,xx,1000);
1809 yaffs_read(h1,xx,1000);
1813 // yaffs_truncate(h0,0);
1817 printf("########### %d\n",i);
1818 dump_directory_tree(mountpt);
1820 if(1 || i == 4 || i == nmounts -1)
1821 yaffs_unmount(mountpt);
1826 void small_mount_test(const char *mountpt,int nmounts)
1840 sprintf(a,"%s/a",mountpt);
1846 for(i = 0; i < nmounts; i++){
1848 static char xx[1000];
1850 printf("############### Iteration %d Start\n",i);
1851 if(1 || i == 0 || i == 5)
1852 yaffs_mount(mountpt);
1854 dump_directory_tree(mountpt);
1858 sprintf(xx,"%s/0",a);
1861 h0 = yaffs_open(xx, O_RDWR | O_CREAT | O_TRUNC, S_IREAD | S_IWRITE);
1862 for(j = 0; j < 130; j++)
1863 yaffs_write(h0,xx,1000);
1867 h0 = yaffs_open(xx,O_RDONLY,0);
1869 sprintf(xx,"%s/1",a);
1870 h1 = yaffs_open(xx, O_RDWR | O_CREAT | O_TRUNC, S_IREAD | S_IWRITE);
1872 while((nread = yaffs_read(h0,xx,1000)) > 0)
1873 yaffs_write(h1,xx,nread);
1876 len0 = yaffs_lseek(h0,0,SEEK_END);
1877 len1 = yaffs_lseek(h1,0,SEEK_END);
1879 yaffs_lseek(h0,0,SEEK_SET);
1880 yaffs_lseek(h1,0,SEEK_SET);
1882 for(j = 0; j < 200; j++){
1883 yaffs_read(h0,xx,1000);
1884 yaffs_read(h1,xx,1000);
1890 printf("########### %d\n",i);
1891 dump_directory_tree(mountpt);
1893 if(1 || i == 4 || i == nmounts -1)
1894 yaffs_unmount(mountpt);
1901 void small_overwrite_test(const char *mountpt,int nmounts)
1912 sprintf(a,"%s/a",mountpt);
1918 for(i = 0; i < nmounts; i++){
1920 static char xx[8000];
1922 printf("############### Iteration %d Start\n",i);
1924 yaffs_mount(mountpt);
1926 dump_directory_tree(mountpt);
1930 sprintf(xx,"%s/0",a);
1931 h0 = yaffs_open(xx, O_RDWR | O_CREAT | O_TRUNC, S_IREAD | S_IWRITE);
1932 sprintf(xx,"%s/1",a);
1933 h1 = yaffs_open(xx, O_RDWR | O_CREAT | O_TRUNC, S_IREAD | S_IWRITE);
1935 for(j = 0; j < 1000000; j+=1000){
1936 yaffs_ftruncate(h0,j);
1937 yaffs_lseek(h0,j,SEEK_SET);
1938 yaffs_write(h0,xx,7000);
1939 yaffs_write(h1,xx,7000);
1947 printf("########### %d\n",i);
1948 dump_directory_tree(mountpt);
1951 yaffs_unmount(mountpt);
1956 void seek_overwrite_test(const char *mountpt,int nmounts)
1967 sprintf(a,"%s/f",mountpt);
1971 yaffs_mount(mountpt);
1974 for(i = 0; i < nmounts; i++){
1976 h0 = yaffs_open(a, O_RDWR | O_CREAT | O_TRUNC, S_IREAD | S_IWRITE);
1978 for(j = 0; j < 100000; j++){
1979 yaffs_lseek(h0,0,SEEK_SET);
1980 yaffs_write(h0,xx,5000);
1981 yaffs_lseek(h0,0x100000,SEEK_SET);
1982 yaffs_write(h0,xx,5000);
1994 void yaffs_touch(const char *fn)
1996 yaffs_chmod(fn, S_IREAD | S_IWRITE);
1999 void checkpoint_fill_test(const char *mountpt,int nmounts)
2010 sprintf(a,"%s/a",mountpt);
2017 for(i = 0; i < nmounts; i++){
2018 printf("############### Iteration %d Start\n",i);
2019 yaffs_mount(mountpt);
2020 dump_directory_tree(mountpt);
2023 sprintf(b,"%s/zz",a);
2025 h = yaffs_open(b,O_CREAT | O_RDWR,S_IREAD |S_IWRITE);
2028 while(yaffs_write(h,c,50) == 50){}
2032 for(j = 0; j < 2; j++){
2033 printf("touch %d\n",j);
2035 yaffs_unmount(mountpt);
2036 yaffs_mount(mountpt);
2039 dump_directory_tree(mountpt);
2040 yaffs_unmount(mountpt);
2045 int make_file2(const char *name1, const char *name2,int syz)
2055 h1 = yaffs_open(name1,O_CREAT | O_TRUNC | O_RDWR, S_IREAD | S_IWRITE);
2057 h2 = yaffs_open(name2,O_CREAT | O_TRUNC | O_RDWR, S_IREAD | S_IWRITE);
2059 while(syz > 0 && n > 0){
2060 i = (syz > 2500) ? 2500 : syz;
2061 n = yaffs_write(h1,xx,i);
2062 n = yaffs_write(h2,xx,i);
2071 extern void SetCheckpointReservedBlocks(int n);
2073 void checkpoint_upgrade_test(const char *mountpt,int nmounts)
2083 sprintf(a,"%s/a",mountpt);
2088 printf("Create start condition\n");
2090 SetCheckpointReservedBlocks(0);
2091 yaffs_mount(mountpt);
2093 sprintf(b,"%s/zz",a);
2094 sprintf(c,"%s/xx",a);
2095 make_file2(b,c,2000000);
2096 sprintf(d,"%s/aa",a);
2097 make_file2(d,NULL,500000000);
2098 dump_directory_tree(mountpt);
2100 printf("Umount/mount attempt full\n");
2101 yaffs_unmount(mountpt);
2103 SetCheckpointReservedBlocks(10);
2104 yaffs_mount(mountpt);
2106 printf("unlink small file\n");
2108 dump_directory_tree(mountpt);
2110 printf("Umount/mount attempt\n");
2111 yaffs_unmount(mountpt);
2112 yaffs_mount(mountpt);
2114 for(j = 0; j < 500; j++){
2115 printf("***** touch %d\n",j);
2116 dump_directory_tree(mountpt);
2118 yaffs_unmount(mountpt);
2119 yaffs_mount(mountpt);
2122 for(j = 0; j < 500; j++){
2123 printf("***** touch %d\n",j);
2124 dump_directory_tree(mountpt);
2126 yaffs_unmount(mountpt);
2127 yaffs_mount(mountpt);
2131 void huge_array_test(const char *mountpt,int n)
2142 sprintf(a,"mount point %s",mountpt);
2148 yaffs_mount(mountpt);
2153 printf("\n\n START run\n\n");
2154 while((space = yaffs_freespace(mountpt)) > 25000000){
2155 sprintf(a,"%s/file%d",mountpt,fnum);
2157 printf("create file %s, free space %d\n",a,space);
2158 create_file_of_size(a,10000000);
2159 printf("verifying file %s\n",a);
2160 verify_file_of_size(a,10000000);
2163 printf("\n\n verification/deletion\n\n");
2165 for(i = 0; i < fnum; i++){
2166 sprintf(a,"%s/file%d",mountpt,i);
2167 printf("verifying file %s\n",a);
2168 verify_file_of_size(a,10000000);
2169 printf("deleting file %s\n",a);
2172 printf("\n\n done \n\n");
2179 void random_write(int h)
2181 static char buffer[12000];
2184 n = random() & 0x1FFF;
2185 yaffs_write(h,buffer,n);
2188 void random_seek(int h)
2191 n = random() & 0xFFFFF;
2192 yaffs_lseek(h,n,SEEK_SET);
2195 void random_truncate(int h, char * name)
2199 n = random() & 0xFFFFF;
2200 flen = yaffs_lseek(h,0,SEEK_END);
2203 yaffs_ftruncate(h,n);
2204 yaffs_lseek(h,n,SEEK_SET);
2208 #define NSMALLFILES 10
2209 void random_small_file_test(const char *mountpt,int iterations)
2212 char a[NSMALLFILES][50];
2223 yaffs_mount(mountpt);
2225 for(i = 0; i < NSMALLFILES; i++){
2230 for(n = 0; n < iterations; n++){
2232 for(i = 0; i < NSMALLFILES; i++) {
2235 if(strlen(a[i]) == 0){
2236 sprintf(a[i],"%s/%dx%d",mountpt,n,i);
2237 h[i] = yaffs_open(a[i],O_RDWR | O_CREAT | O_TRUNC, S_IREAD | S_IWRITE);
2241 printf("Could not open yaffs file %d %d error %d\n",n,i,h[i]);
2251 random_truncate(h[i],a[i]);
2254 case 5: random_seek(h[i]);
2271 for(i = 0; i < NSMALLFILES; i++)
2274 yaffs_unmount(mountpt);
2279 int main(int argc, char *argv[])
2281 //return long_test(argc,argv);
2283 //return cache_read_test();
2285 // resize_stress_test_no_grow("/flash/flash",20);
2286 //root_perm_remount("/flash/flash");
2288 //huge_directory_test_on_path("/ram2k");
2290 //yaffs_backward_scan_test("/flash/flash");
2291 // yaffs_device_flush_test("/flash/flash");
2293 rename_over_test("/flash/yaffs1");
2295 //scan_pattern_test("/flash",10000,10);
2296 //short_scan_test("/flash/flash",40000,200);
2297 //small_mount_test("/flash/flash",1000);
2298 //small_overwrite_test("/flash/flash",1000);
2299 //seek_overwrite_test("/flash/flash",1000);
2300 //checkpoint_fill_test("/flash/flash",20);
2301 //checkpoint_upgrade_test("/flash/flash",20);
2302 //small_overwrite_test("/flash/flash",1000);
2303 //checkpoint_fill_test("/flash/flash",20);
2304 // random_small_file_test("/flash/flash",10000);
2305 // huge_array_test("/flash/flash",10);
2310 //long_test_on_path("/ram2k");
2311 // long_test_on_path("/flash");
2312 //simple_rw_test("/flash/flash");
2313 //fill_disk_test("/flash/flash");
2314 // rename_over_test("/flash");
2315 //lookup_test("/flash");
2316 //freespace_test("/flash/flash");
2318 //link_test("/flash/flash");
2323 // cache_bypass_bug_test();
2325 //free_space_check();
2327 //check_resize_gc_bug("/flash");