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Remove use of devmapper library by the blkid library
[tools/e2fsprogs.git] / misc / badblocks.c
index 155fb77..ef6ab5b 100644 (file)
@@ -48,8 +48,10 @@ extern int optind;
 #include <time.h>
 #include <limits.h>
 
+#include <sys/time.h>
 #include <sys/ioctl.h>
 #include <sys/types.h>
+#include <sys/time.h>
 
 #include "et/com_err.h"
 #include "ext2fs/ext2_io.h"
@@ -70,14 +72,20 @@ static int t_max = 0;                       /* allocated test patterns */
 static unsigned int *t_patts = NULL;   /* test patterns */
 static int current_O_DIRECT = 0;       /* Current status of O_DIRECT flag */
 static int exclusive_ok = 0;
+static unsigned int max_bb = 0;                /* Abort test if more than this number of bad blocks has been encountered */
+static unsigned int d_flag = 0;                /* delay factor between reads */
 
 #define T_INC 32
 
-int sys_page_size = 4096;
+unsigned int sys_page_size = 4096;
 
 static void usage(void)
 {
-       fprintf(stderr, _("Usage: %s [-b block_size] [-i input_file] [-o output_file] [-svwnf]\n [-c blocks_at_once] [-p num_passes] [-t test_pattern [-t test_pattern [...]]]\n device [last_block [start_block]]\n"),
+       fprintf(stderr, _(
+"Usage: %s [-b block_size] [-i input_file] [-o output_file] [-svwnf]\n"
+"       [-c blocks_at_once] [-d delay_factor_between_reads] [-e max_bad_blocks]\n"
+"       [-p num_passes] [-t test_pattern [-t test_pattern [...]]]\n"
+"       device [last_block [first_block]]\n"),
                 program_name);
        exit (1);
 }
@@ -90,8 +98,8 @@ static void exclusive_usage(void)
        exit(1);
 }
 
-static unsigned long currently_testing = 0;
-static unsigned long num_blocks = 0;
+static blk_t currently_testing = 0;
+static blk_t num_blocks = 0;
 static ext2_badblocks_list bb_list = NULL;
 static FILE *out;
 static blk_t next_bad = 0;
@@ -124,14 +132,14 @@ static void *allocate_buffer(size_t size)
  * This routine reports a new bad block.  If the bad block has already
  * been seen before, then it returns 0; otherwise it returns 1.
  */
-static int bb_output (unsigned long bad)
+static int bb_output (blk_t bad)
 {
        errcode_t errcode;
 
        if (ext2fs_badblocks_list_test(bb_list, bad))
                return 0;
 
-       fprintf(out, "%lu\n", bad);
+       fprintf(out, "%lu\n", (unsigned long) bad);
        fflush(out);
 
        errcode = ext2fs_badblocks_list_add (bb_list, bad);
@@ -151,7 +159,8 @@ static int bb_output (unsigned long bad)
 
 static void print_status(void)
 {
-       fprintf(stderr, "%15ld/%15ld", currently_testing, num_blocks);
+       fprintf(stderr, "%15lu/%15lu", (unsigned long) currently_testing, 
+               (unsigned long) num_blocks);
        fputs("\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b", stderr);
        fflush (stderr);
 }
@@ -197,7 +206,7 @@ static void uncapture_terminate(void)
 }
 
 static void set_o_direct(int dev, unsigned char *buffer, size_t size,
-                        unsigned long current_block)
+                        blk_t current_block)
 {
 #ifdef O_DIRECT
        int new_flag = O_DIRECT;
@@ -262,10 +271,13 @@ static void pattern_fill(unsigned char *buffer, unsigned int pattern,
  * Perform a read of a sequence of blocks; return the number of blocks
  *    successfully sequentially read.
  */
-static long do_read (int dev, unsigned char * buffer, int try, int block_size,
-                    unsigned long current_block)
+static int do_read (int dev, unsigned char * buffer, int try, int block_size,
+                   blk_t current_block)
 {
        long got;
+       struct timeval tv1, tv2;
+#define NANOSEC (1000000000L)
+#define MILISEC (1000L)
 
        set_o_direct(dev, buffer, try * block_size, current_block);
 
@@ -278,12 +290,52 @@ static long do_read (int dev, unsigned char * buffer, int try, int block_size,
                com_err (program_name, errno, _("during seek"));
 
        /* Try the read */
+       if (d_flag)
+               gettimeofday(&tv1, NULL);
        got = read (dev, buffer, try * block_size);
+       if (d_flag)
+               gettimeofday(&tv2, NULL);
        if (got < 0)
                got = 0;        
        if (got & 511)
                fprintf(stderr, _("Weird value (%ld) in do_read\n"), got);
        got /= block_size;
+       if (d_flag && got == try) {
+#ifdef HAVE_NANOSLEEP
+               struct timespec ts;
+               ts.tv_sec = tv2.tv_sec - tv1.tv_sec;
+               ts.tv_nsec = (tv2.tv_usec - tv1.tv_usec) * MILISEC;
+               if (ts.tv_nsec < 0) {
+                       ts.tv_nsec += NANOSEC;
+                       ts.tv_sec -= 1;
+               }
+               /* increase/decrease the sleep time based on d_flag value */
+               ts.tv_sec = ts.tv_sec * d_flag / 100;
+               ts.tv_nsec = ts.tv_nsec * d_flag / 100;
+               if (ts.tv_nsec > NANOSEC) {
+                       ts.tv_sec += ts.tv_nsec / NANOSEC;
+                       ts.tv_nsec %= NANOSEC;
+               }
+               if (ts.tv_sec || ts.tv_nsec)
+                       nanosleep(&ts, NULL);
+#else
+#ifdef HAVE_USLEEP
+               struct timeval tv;
+               tv.tv_sec = tv2.tv_sec - tv1.tv_sec;
+               tv.tv_usec = tv2.tv_usec - tv1.tv_usec;
+               tv.tv_sec = tv.tv_sec * d_flag / 100;
+               tv.tv_usec = tv.tv_usec * d_flag / 100;
+               if (tv.tv_usec > 1000000) {
+                       tv.tv_sec += tv.tv_usec / 1000000;
+                       tv.tv_usec %= 1000000;
+               }
+               if (tv.tv_sec)
+                       sleep(tv.tv_sec);
+               if (tv.tv_usec)
+                       usleep(tv.tv_usec);
+#endif
+#endif
+       }
        return got;
 }
 
@@ -291,8 +343,8 @@ static long do_read (int dev, unsigned char * buffer, int try, int block_size,
  * Perform a write of a sequence of blocks; return the number of blocks
  *    successfully sequentially written.
  */
-static long do_write (int dev, unsigned char * buffer, int try, int block_size,
-                    unsigned long current_block)
+static int do_write(int dev, unsigned char * buffer, int try, int block_size,
+                   unsigned long current_block)
 {
        long got;
 
@@ -327,13 +379,13 @@ static void flush_bufs(void)
                com_err(program_name, retval, _("during ext2fs_sync_device"));
 }
 
-static unsigned int test_ro (int dev, unsigned long last_block,
-                            int block_size, unsigned long from_count,
-                            unsigned long blocks_at_once)
+static unsigned int test_ro (int dev, blk_t last_block,
+                            int block_size, blk_t first_block,
+                            unsigned int blocks_at_once)
 {
        unsigned char * blkbuf;
        int try;
-       long got;
+       int got;
        unsigned int bb_count = 0;
        errcode_t errcode;
 
@@ -345,7 +397,7 @@ static unsigned int test_ro (int dev, unsigned long last_block,
        }
        do {
                ext2fs_badblocks_list_iterate (bb_iter, &next_bad);
-       } while (next_bad && next_bad < from_count);
+       } while (next_bad && next_bad < first_block);
 
        if (t_flag) {
                blkbuf = allocate_buffer((blocks_at_once + 1) * block_size);
@@ -358,8 +410,9 @@ static unsigned int test_ro (int dev, unsigned long last_block,
                exit (1);
        }
        if (v_flag) {
-           fprintf (stderr, _("Checking blocks %lu to %lu\n"), from_count,
-                    last_block - 1);
+               fprintf (stderr, _("Checking blocks %lu to %lu\n"), 
+                        (unsigned long) first_block, 
+                        (unsigned long) last_block - 1);
        }
        if (t_flag) {
                fputs(_("Checking for bad blocks in read-only mode\n"), stderr);
@@ -368,7 +421,7 @@ static unsigned int test_ro (int dev, unsigned long last_block,
        }
        flush_bufs();
        try = blocks_at_once;
-       currently_testing = from_count;
+       currently_testing = first_block;
        num_blocks = last_block - 1;
        if (!t_flag && (s_flag || v_flag)) {
                fputs(_("Checking for bad blocks (read-only test): "), stderr);
@@ -377,6 +430,12 @@ static unsigned int test_ro (int dev, unsigned long last_block,
        }
        while (currently_testing < last_block)
        {
+               if (max_bb && bb_count >= max_bb) {
+                       if (s_flag || v_flag) {
+                               fputs(_("Too many bad blocks, aborting test\n"), stderr);
+                       }
+                       break;
+               }
                if (next_bad) {
                        if (currently_testing == next_bad) {
                                /* fprintf (out, "%lu\n", nextbad); */
@@ -404,7 +463,7 @@ static unsigned int test_ro (int dev, unsigned long last_block,
                if (got == try) {
                        try = blocks_at_once;
                        /* recover page-aligned offset for O_DIRECT */
-                       if ( blocks_at_once >= (unsigned long) (sys_page_size >> 9)
+                       if ( (blocks_at_once >= sys_page_size >> 9)
                             && (currently_testing % (sys_page_size >> 9)!= 0))
                                try -= (sys_page_size >> 9)
                                        - (currently_testing 
@@ -430,9 +489,9 @@ static unsigned int test_ro (int dev, unsigned long last_block,
        return bb_count;
 }
 
-static unsigned int test_rw (int dev, unsigned long last_block,
-                            int block_size, unsigned long from_count,
-                            unsigned long blocks_at_once)
+static unsigned int test_rw (int dev, blk_t last_block,
+                            int block_size, blk_t first_block,
+                            unsigned int blocks_at_once)
 {
        unsigned char *buffer, *read_buffer;
        const unsigned int patterns[] = {0xaa, 0x55, 0xff, 0x00};
@@ -454,7 +513,8 @@ static unsigned int test_rw (int dev, unsigned long last_block,
                fputs(_("Checking for bad blocks in read-write mode\n"), 
                      stderr);
                fprintf(stderr, _("From block %lu to %lu\n"),
-                        from_count, last_block);
+                       (unsigned long) first_block, 
+                       (unsigned long) last_block - 1);
        }
        if (t_flag) {
                pattern = t_patts;
@@ -467,12 +527,18 @@ static unsigned int test_rw (int dev, unsigned long last_block,
                pattern_fill(buffer, pattern[pat_idx],
                             blocks_at_once * block_size);
                num_blocks = last_block - 1;
-               currently_testing = from_count;
+               currently_testing = first_block;
                if (s_flag && v_flag <= 1)
                        alarm_intr(SIGALRM);
 
                try = blocks_at_once;
                while (currently_testing < last_block) {
+                       if (max_bb && bb_count >= max_bb) {
+                               if (s_flag || v_flag) {
+                                       fputs(_("Too many bad blocks, aborting test\n"), stderr);
+                               }
+                               break;
+                       }
                        if (currently_testing + try > last_block)
                                try = last_block - currently_testing;
                        got = do_write(dev, buffer, try, block_size,
@@ -484,7 +550,7 @@ static unsigned int test_rw (int dev, unsigned long last_block,
                        if (got == try) {
                                try = blocks_at_once;
                                /* recover page-aligned offset for O_DIRECT */
-                               if ( blocks_at_once >= (unsigned long) (sys_page_size >> 9)
+                               if ( (blocks_at_once >= sys_page_size >> 9)
                                     && (currently_testing % 
                                         (sys_page_size >> 9)!= 0))
                                        try -= (sys_page_size >> 9)
@@ -506,12 +572,18 @@ static unsigned int test_rw (int dev, unsigned long last_block,
                if (s_flag | v_flag)
                        fputs(_("Reading and comparing: "), stderr);
                num_blocks = last_block;
-               currently_testing = from_count;
+               currently_testing = first_block;
                if (s_flag && v_flag <= 1)
                        alarm_intr(SIGALRM);
 
                try = blocks_at_once;
                while (currently_testing < last_block) {
+                       if (max_bb && bb_count >= max_bb) {
+                               if (s_flag || v_flag) {
+                                       fputs(_("Too many bad blocks, aborting test\n"), stderr);
+                               }
+                               break;
+                       }
                        if (currently_testing + try > last_block)
                                try = last_block - currently_testing;
                        got = do_read (dev, read_buffer, try, block_size,
@@ -528,7 +600,7 @@ static unsigned int test_rw (int dev, unsigned long last_block,
                        }
                        currently_testing += got;
                        /* recover page-aligned offset for O_DIRECT */
-                       if ( blocks_at_once >= (unsigned long) (sys_page_size >> 9)
+                       if ( (blocks_at_once >= sys_page_size >> 9)
                             && (currently_testing % (sys_page_size >> 9)!= 0))
                                try = blocks_at_once - (sys_page_size >> 9)
                                        - (currently_testing 
@@ -555,9 +627,9 @@ struct saved_blk_record {
        int     num;
 };
 
-static unsigned int test_nd (int dev, unsigned long last_block,
-                            int block_size, unsigned long from_count,
-                            unsigned long blocks_at_once)
+static unsigned int test_nd (int dev, blk_t last_block,
+                            int block_size, blk_t first_block,
+                            unsigned int blocks_at_once)
 {
        unsigned char *blkbuf, *save_ptr, *test_ptr, *read_ptr;
        unsigned char *test_base, *save_base, *read_base;
@@ -565,7 +637,8 @@ static unsigned int test_nd (int dev, unsigned long last_block,
        const unsigned int patterns[] = { ~0 };
        const unsigned int *pattern;
        int nr_pattern, pat_idx;
-       long got, used2, written, save_currently_testing;
+       int got, used2, written;
+       blk_t save_currently_testing;
        struct saved_blk_record *test_record;
        /* This is static to prevent being clobbered by the longjmp */
        static int num_saved;
@@ -583,7 +656,7 @@ static unsigned int test_nd (int dev, unsigned long last_block,
        }
        do {
                ext2fs_badblocks_list_iterate (bb_iter, &next_bad);
-       } while (next_bad && next_bad < from_count);
+       } while (next_bad && next_bad < first_block);
 
        blkbuf = allocate_buffer(3 * blocks_at_once * block_size);
        test_record = malloc (blocks_at_once*sizeof(struct saved_blk_record));
@@ -601,7 +674,9 @@ static unsigned int test_nd (int dev, unsigned long last_block,
        flush_bufs();
        if (v_flag) {
            fputs(_("Checking for bad blocks in non-destructive read-write mode\n"), stderr);
-           fprintf (stderr, _("From block %lu to %lu\n"), from_count, last_block);
+           fprintf (stderr, _("From block %lu to %lu\n"), 
+                    (unsigned long) first_block,
+                    (unsigned long) last_block - 1);
        }
        if (s_flag || v_flag > 1) {
                fputs(_("Checking for bad blocks (non-destructive read-write test)\n"), stderr);
@@ -641,12 +716,18 @@ static unsigned int test_nd (int dev, unsigned long last_block,
                bb_count = 0;
                save_ptr = save_base;
                test_ptr = test_base;
-               currently_testing = from_count;
+               currently_testing = first_block;
                num_blocks = last_block - 1;
                if (s_flag && v_flag <= 1)
                        alarm_intr(SIGALRM);
 
                while (currently_testing < last_block) {
+                       if (max_bb && bb_count >= max_bb) {
+                               if (s_flag || v_flag) {
+                                       fputs(_("Too many bad blocks, aborting test\n"), stderr);
+                               }
+                               break;
+                       }
                        got = try = blocks_at_once - buf_used;
                        if (next_bad) {
                                if (currently_testing == next_bad) {
@@ -682,7 +763,8 @@ static unsigned int test_nd (int dev, unsigned long last_block,
                        if (written != got)
                                com_err (program_name, errno,
                                         _("during test data write, block %lu"),
-                                        currently_testing + written);
+                                        (unsigned long) currently_testing + 
+                                        written);
 
                        buf_used += got;
                        save_ptr += got * block_size;
@@ -813,27 +895,44 @@ static void check_mount(char *device_name)
 
 }
 
+/*
+ * This function will convert a string to an unsigned long, printing
+ * an error message if it fails, and returning success or failure in err.
+ */
+static unsigned int parse_uint(const char *str, const char *descr)
+{
+       char            *tmp;
+       unsigned long   ret;
+       
+       errno = 0;
+       ret = strtoul(str, &tmp, 0);
+       if (*tmp || errno || (ret > UINT_MAX) ||
+           (ret == ULONG_MAX && errno == ERANGE)) {
+               com_err (program_name, 0, _("invalid %s - %s"), descr, str);
+               exit (1);
+       }
+       return ret;
+}
 
 int main (int argc, char ** argv)
 {
        int c;
-       char * tmp;
        char * device_name;
        char * host_device_name = NULL;
        char * input_file = NULL;
        char * output_file = NULL;
        FILE * in = NULL;
        int block_size = 1024;
-       unsigned long blocks_at_once = 64;
-       blk_t last_block, from_count;
+       unsigned int blocks_at_once = 64;
+       blk_t last_block, first_block;
        int num_passes = 0;
        int passes_clean = 0;
        int dev;
        errcode_t errcode;
        unsigned int pattern;
-       unsigned int (*test_func)(int, unsigned long,
-                                 int, unsigned long,
-                                 unsigned long);
+       unsigned int (*test_func)(int, blk_t,
+                                 int, blk_t,
+                                 unsigned int);
        int open_flag = 0;
        long sysval;
 
@@ -862,11 +961,11 @@ int main (int argc, char ** argv)
        
        if (argc && *argv)
                program_name = *argv;
-       while ((c = getopt (argc, argv, "b:fi:o:svwnc:p:h:t:X")) != EOF) {
+       while ((c = getopt (argc, argv, "b:d:e:fi:o:svwnc:p:h:t:X")) != EOF) {
                switch (c) {
                case 'b':
-                       block_size = strtoul (optarg, &tmp, 0);
-                       if (*tmp || block_size > 4096) {
+                       block_size = parse_uint(optarg, "block size");
+                       if (block_size > 4096) {
                                com_err (program_name, 0,
                                         _("bad block size - %s"), optarg);
                                exit (1);
@@ -900,20 +999,17 @@ int main (int argc, char ** argv)
                        w_flag = 2;
                        break;
                case 'c':
-                       blocks_at_once = strtoul (optarg, &tmp, 0);
-                       if (*tmp) {
-                               com_err (program_name, 0,
-                                        "bad simultaneous block count - %s", optarg);
-                               exit (1);
-                       }
+                       blocks_at_once = parse_uint(optarg, "blocks at once");
+                       break;
+               case 'e':
+                       max_bb = parse_uint(optarg, "max bad block count");
+                       break;
+               case 'd':
+                       d_flag = parse_uint(optarg, "read delay factor");
                        break;
                case 'p':
-                       num_passes = strtoul (optarg, &tmp, 0);
-                       if (*tmp) {
-                               com_err (program_name, 0,
-                                   "bad number of clean passes - %s", optarg);
-                               exit (1);
-                       }
+                       num_passes = parse_uint(optarg, 
+                                               "number of clean passes");
                        break;
                case 'h':
                        host_device_name = optarg;
@@ -922,7 +1018,8 @@ int main (int argc, char ** argv)
                        if (t_flag + 1 > t_max) {
                                unsigned int *t_patts_new;
 
-                               t_patts_new = realloc(t_patts, t_max + T_INC);
+                               t_patts_new = realloc(t_patts, sizeof(int) * 
+                                                     (t_max + T_INC));
                                if (!t_patts_new) {
                                        com_err(program_name, ENOMEM,
                                                _("can't allocate memory for "
@@ -936,13 +1033,7 @@ int main (int argc, char ** argv)
                        if (!strcmp(optarg, "r") || !strcmp(optarg,"random")) {
                                t_patts[t_flag++] = ~0;
                        } else {
-                               pattern = strtoul(optarg, &tmp, 0);
-                               if (*tmp) {
-                                       com_err(program_name, 0,
-                                       _("invalid test_pattern: %s\n"),
-                                               optarg);
-                                       exit(1);
-                               }
+                               pattern = parse_uint(optarg, "test pattern");
                                if (pattern == (unsigned int) ~0)
                                        pattern = 0xffff;
                                t_patts[t_flag++] = pattern;
@@ -989,31 +1080,17 @@ int main (int argc, char ** argv)
                }
        } else {
                errno = 0;
-               last_block = strtoul (argv[optind], &tmp, 0);
-               printf("last_block = %d (%s)\n", last_block, argv[optind]);
-               if (*tmp || errno || 
-                   (last_block == ULONG_MAX && errno == ERANGE)) {
-                       com_err (program_name, 0, _("invalid blocks count - %s"),
-                                argv[optind]);
-                       exit (1);
-               }
+               last_block = parse_uint(argv[optind], _("last block"));
                last_block++;
                optind++;
        }
        if (optind <= argc-1) {
                errno = 0;
-               from_count = strtoul (argv[optind], &tmp, 0);
-               printf("from_count = %d\n", from_count);
-               if (*tmp || errno ||
-                   (from_count == ULONG_MAX && errno == ERANGE)) {
-                       com_err (program_name, 0, _("invalid starting block - %s"),
-                                argv[optind]);
-                       exit (1);
-               }
-       } else from_count = 0;
-       if (from_count >= last_block) {
+               first_block = parse_uint(argv[optind], _("first block"));
+       } else first_block = 0;
+       if (first_block >= last_block) {
            com_err (program_name, 0, _("invalid starting block (%lu): must be less than %lu"),
-                    (unsigned long) from_count, (unsigned long) last_block);
+                    (unsigned long) first_block, (unsigned long) last_block);
            exit (1);
        }
        if (w_flag)
@@ -1098,7 +1175,7 @@ int main (int argc, char ** argv)
                unsigned int bb_count;
 
                bb_count = test_func(dev, last_block, block_size,
-                                    from_count, blocks_at_once);
+                                    first_block, blocks_at_once);
                if (bb_count)
                        passes_clean = 0;
                else