* list. (Work done by David Beattie)
*/
+#define _GNU_SOURCE /* for O_DIRECT */
+
#include <errno.h>
#include <fcntl.h>
#ifdef HAVE_GETOPT_H
#include <string.h>
#include <unistd.h>
#include <setjmp.h>
+#include <time.h>
#include <sys/ioctl.h>
#include <sys/types.h>
-#if HAVE_LINUX_FS_H
-#include <linux/fd.h>
-#endif
-
#include "et/com_err.h"
#include "ext2fs/ext2_io.h"
-#include <linux/ext2_fs.h>
+#include "ext2fs/ext2_fs.h"
#include "ext2fs/ext2fs.h"
#include "nls-enable.h"
static int w_flag = 0; /* do r/w test: 0=no, 1=yes,
* 2=non-destructive */
static int s_flag = 0; /* show progress of test */
+static int force = 0; /* force check of mounted device */
+static int t_flag = 0; /* number of test patterns */
+static int t_max = 0; /* allocated test patterns */
+static unsigned long *t_patts = NULL; /* test patterns */
+static int current_O_DIRECT = 0; /* Current status of O_DIRECT flag */
-static char *blkbuf; /* Allocation array for bad block testing */
+#define T_INC 32
+int sys_page_size = 4096;
static void usage(void)
{
- fprintf(stderr, _("Usage: %s [-b block_size] [-i input_file] [-o output_file] [-svwn]\n [-c blocks_at_once] [-p num_passes] device [blocks_count] [start_count]\n"),
+ 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"),
program_name);
exit (1);
}
static blk_t next_bad = 0;
static ext2_badblocks_iterate bb_iter = NULL;
+static void *allocate_buffer(size_t size)
+{
+ void *ret = 0;
+
+#ifdef HAVE_POSIX_MEMALIGN
+ if (posix_memalign(&ret, sys_page_size, size) < 0)
+ ret = 0;
+#else
+#ifdef HAVE_MEMALIGN
+ ret = memalign(sys_page_size, size);
+#else
+#ifdef HAVE_VALLOC
+ ret = valloc(size);
+#endif /* HAVE_VALLOC */
+#endif /* HAVE_MEMALIGN */
+#endif /* HAVE_POSIX_MEMALIGN */
+
+ if (!ret)
+ ret = malloc(size);
+
+ return ret;
+}
+
/*
* This routine reports a new bad block. If the bad block has already
* been seen before, then it returns 0; otherwise it returns 1.
if (ext2fs_badblocks_list_test(bb_list, bad))
return 0;
- fprintf (out, "%lu\n", bad);
+ fprintf(out, "%lu\n", bad);
+ fflush(out);
errcode = ext2fs_badblocks_list_add (bb_list, bad);
if (errcode) {
return 1;
}
-static void print_status (void)
+static void print_status(void)
{
- fprintf(stderr, "%9ld/%9ld", currently_testing, num_blocks);
- fprintf(stderr, "\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b");
+ fprintf(stderr, "%15ld/%15ld", currently_testing, 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);
}
-static void alarm_intr (int alnum)
+static void alarm_intr(int alnum EXT2FS_ATTR((unused)))
{
signal (SIGALRM, alarm_intr);
alarm(1);
if (!num_blocks)
return;
- fprintf(stderr, "%9ld/%9ld", currently_testing, num_blocks);
- fprintf(stderr, "\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b\b");
- fflush (stderr);
+ print_status();
}
static void *terminate_addr = NULL;
-static void terminate_intr (int signo)
+static void terminate_intr(int signo EXT2FS_ATTR((unused)))
{
if (terminate_addr)
longjmp(terminate_addr,1);
exit(1);
}
-static void capture_terminate (jmp_buf term_addr)
+static void capture_terminate(jmp_buf term_addr)
{
terminate_addr = term_addr;
signal (SIGHUP, terminate_intr);
signal (SIGUSR2, terminate_intr);
}
-static void uncapture_terminate()
+static void uncapture_terminate(void)
{
terminate_addr = NULL;
signal (SIGHUP, SIG_DFL);
signal (SIGUSR2, SIG_DFL);
}
+static void set_o_direct(int dev, unsigned char *buffer, size_t size,
+ unsigned long current_block)
+{
+#ifdef O_DIRECT
+ int new_flag = O_DIRECT;
+ int flag;
+
+ if ((((unsigned long) buffer & (sys_page_size - 1)) != 0) ||
+ ((size & (sys_page_size - 1)) != 0) ||
+ ((current_block & ((sys_page_size >> 9)-1)) != 0))
+ new_flag = 0;
+
+ if (new_flag != current_O_DIRECT) {
+ /* printf("%s O_DIRECT\n", new_flag ? "Setting" : "Clearing"); */
+ flag = fcntl(dev, F_GETFL);
+ if (flag > 0) {
+ flag = (flag & ~O_DIRECT) | new_flag;
+ fcntl(dev, F_SETFL, flag);
+ }
+ current_O_DIRECT = new_flag;
+ }
+#endif
+}
+
+
+static void pattern_fill(unsigned char *buffer, unsigned long pattern,
+ size_t n)
+{
+ unsigned int i, nb;
+ unsigned char bpattern[sizeof(pattern)], *ptr;
+
+ if (pattern == (unsigned long) ~0) {
+ for (ptr = buffer; ptr < buffer + n; ptr++) {
+ (*ptr) = random() % (1 << (8 * sizeof(char)));
+ }
+ if (s_flag | v_flag)
+ fputs(_("Testing with random pattern: "), stderr);
+ } else {
+ bpattern[0] = 0;
+ for (i = 0; i < sizeof(bpattern); i++) {
+ if (pattern == 0)
+ break;
+ bpattern[i] = pattern & 0xFF;
+ pattern = pattern >> 8;
+ }
+ nb = i ? (i-1) : 0;
+ for (ptr = buffer, i = nb; ptr < buffer + n; ptr++) {
+ *ptr = bpattern[i];
+ if (i == 0)
+ i = nb;
+ else
+ i--;
+ }
+ if (s_flag | v_flag) {
+ fputs(_("Testing with pattern 0x"), stderr);
+ for (i = 0; i <= nb; i++)
+ fprintf(stderr, "%02x", buffer[i]);
+ fputs(": ", stderr);
+ }
+ }
+}
+
/*
* Perform a read of a sequence of blocks; return the number of blocks
* successfully sequentially read.
*/
-static long do_read (int dev, char * buffer, int try, int block_size,
+static long do_read (int dev, unsigned char * buffer, int try, int block_size,
unsigned long current_block)
{
long got;
+ set_o_direct(dev, buffer, try * block_size, current_block);
+
if (v_flag > 1)
print_status();
* Perform a write of a sequence of blocks; return the number of blocks
* successfully sequentially written.
*/
-static long do_write (int dev, char * buffer, int try, int block_size,
+static long do_write (int dev, unsigned char * buffer, int try, int block_size,
unsigned long current_block)
{
long got;
+ set_o_direct(dev, buffer, try * block_size, current_block);
+
if (v_flag > 1)
print_status();
if (got < 0)
got = 0;
if (got & 511)
- fprintf (stderr,
- "Weird value (%ld) in do_write\n", got);
+ fprintf(stderr, "Weird value (%ld) in do_write\n", got);
got /= block_size;
return got;
}
static int host_dev;
-static void flush_bufs (int dev)
+static void flush_bufs(void)
{
-#ifdef HAVE_FDATASYNC
- if (sync && fdatasync (dev) == -1)
- com_err (program_name, errno, _("during fdatasync"));
-#else
- if (sync && fsync (dev) == -1)
- com_err (program_name, errno, _("during fsync"));
-#endif
+ errcode_t retval;
-#ifdef BLKFLSBUF
- ioctl (host_dev, BLKFLSBUF, 0); /* In case this is a HD */
-#endif
-#ifdef FDFLUSH
- ioctl (host_dev, FDFLUSH, 0); /* In case this is floppy */
-#endif
+ retval = ext2fs_sync_device(host_dev, 1);
+ if (retval)
+ com_err(program_name, retval, _("during ext2fs_sync_device"));
}
-static unsigned int test_ro (int dev, unsigned long blocks_count,
+static unsigned int test_ro (int dev, unsigned long last_block,
int block_size, unsigned long from_count,
unsigned long blocks_at_once)
{
- char * blkbuf;
+ unsigned char * blkbuf;
int try;
long got;
unsigned int bb_count = 0;
ext2fs_badblocks_list_iterate (bb_iter, &next_bad);
} while (next_bad && next_bad < from_count);
- blkbuf = malloc (blocks_at_once * block_size);
+ if (t_flag) {
+ blkbuf = allocate_buffer((blocks_at_once + 1) * block_size);
+ } else {
+ blkbuf = allocate_buffer(blocks_at_once * block_size);
+ }
if (!blkbuf)
{
com_err (program_name, ENOMEM, _("while allocating buffers"));
exit (1);
}
- flush_bufs(dev);
if (v_flag) {
- fprintf(stderr, _("Checking for bad blocks in read-only mode\n"));
- fprintf (stderr, _("From block %lu to %lu\n"), from_count,
- blocks_count);
+ fprintf (stderr, _("Checking blocks %lu to %lu\n"), from_count,
+ last_block);
}
+ if (t_flag) {
+ fputs(_("Checking for bad blocks in read-only mode\n"), stderr);
+ pattern_fill(blkbuf + blocks_at_once * block_size,
+ t_patts[0], block_size);
+ }
+ flush_bufs();
try = blocks_at_once;
currently_testing = from_count;
- num_blocks = blocks_count;
- if (s_flag || v_flag > 1) {
- fprintf(stderr,
- _("Checking for bad blocks (read-only test): "));
+ num_blocks = last_block;
+ if (!t_flag && (s_flag || v_flag)) {
+ fputs(_("Checking for bad blocks (read-only test): "), stderr);
if (v_flag <= 1)
alarm_intr(SIGALRM);
}
- while (currently_testing < blocks_count)
+ while (currently_testing < last_block)
{
if (next_bad) {
if (currently_testing == next_bad) {
else if (currently_testing + try > next_bad)
try = next_bad - currently_testing;
}
- if (currently_testing + try > blocks_count)
- try = blocks_count - currently_testing;
+ if (currently_testing + try > last_block)
+ try = last_block - currently_testing;
got = do_read (dev, blkbuf, try, block_size, currently_testing);
+ if (t_flag) {
+ /* test the comparison between all the
+ blocks successfully read */
+ int i;
+ for (i = 0; i < got; ++i)
+ if (memcmp (blkbuf+i*block_size,
+ blkbuf+blocks_at_once*block_size,
+ block_size))
+ bb_count += bb_output(currently_testing + i);
+ }
currently_testing += got;
if (got == try) {
try = blocks_at_once;
+ /* recover page-aligned offset for O_DIRECT */
+ if ( blocks_at_once >= (unsigned long) (sys_page_size >> 9)
+ && (currently_testing % (sys_page_size >> 9)!= 0))
+ try -= (sys_page_size >> 9)
+ - (currently_testing
+ % (sys_page_size >> 9));
continue;
}
else
}
num_blocks = 0;
alarm(0);
- if (s_flag || v_flag > 1)
- fprintf(stderr, _(done_string));
+ if (s_flag || v_flag)
+ fputs(_(done_string), stderr);
fflush (stderr);
free (blkbuf);
return bb_count;
}
-static unsigned int test_rw (int dev, unsigned long blocks_count,
+static unsigned int test_rw (int dev, unsigned long last_block,
int block_size, unsigned long from_count,
unsigned long blocks_at_once)
{
- int i;
- char * buffer;
- unsigned char pattern[] = {0xaa, 0x55, 0xff, 0x00};
+ unsigned char *buffer, *read_buffer;
+ const unsigned long patterns[] = {0xaa, 0x55, 0xff, 0x00};
+ const unsigned long *pattern;
+ int i, try, got, nr_pattern, pat_idx;
unsigned int bb_count = 0;
- buffer = malloc (2 * block_size);
- if (!buffer)
- {
+ buffer = allocate_buffer(2 * blocks_at_once * block_size);
+ read_buffer = buffer + blocks_at_once * block_size;
+
+ if (!buffer) {
com_err (program_name, ENOMEM, _("while allocating buffers"));
exit (1);
}
- flush_bufs(dev);
+ flush_bufs();
if (v_flag) {
- fprintf(stderr,
- _("Checking for bad blocks in read-write mode\n"));
+ fputs(_("Checking for bad blocks in read-write mode\n"),
+ stderr);
fprintf(stderr, _("From block %lu to %lu\n"),
- from_count, blocks_count);
+ from_count, last_block);
}
- for (i = 0; i < sizeof (pattern); i++) {
- memset (buffer, pattern[i], block_size);
- if (s_flag | v_flag)
- fprintf (stderr, _("Writing pattern 0x%08x: "),
- *((int *) buffer));
- num_blocks = blocks_count;
+ if (t_flag) {
+ pattern = t_patts;
+ nr_pattern = t_flag;
+ } else {
+ pattern = patterns;
+ nr_pattern = sizeof(patterns) / sizeof(patterns[0]);
+ }
+ for (pat_idx = 0; pat_idx < nr_pattern; pat_idx++) {
+ pattern_fill(buffer, pattern[pat_idx],
+ blocks_at_once * block_size);
+ num_blocks = last_block;
currently_testing = from_count;
if (s_flag && v_flag <= 1)
alarm_intr(SIGALRM);
- for (;
- currently_testing < blocks_count;
- currently_testing++)
- {
- if (ext2fs_llseek (dev, (ext2_loff_t) currently_testing *
- block_size, SEEK_SET) !=
- (ext2_loff_t) currently_testing * block_size)
- com_err (program_name, errno,
- _("during seek on block %d"),
- currently_testing);
+
+ try = blocks_at_once;
+ while (currently_testing < last_block) {
+ if (currently_testing + try > last_block)
+ try = last_block - currently_testing;
+ got = do_write(dev, buffer, try, block_size,
+ currently_testing);
if (v_flag > 1)
print_status();
- write (dev, buffer, block_size);
+
+ currently_testing += got;
+ if (got == try) {
+ try = blocks_at_once;
+ /* recover page-aligned offset for O_DIRECT */
+ if ( blocks_at_once >= (unsigned long) (sys_page_size >> 9)
+ && (currently_testing %
+ (sys_page_size >> 9)!= 0))
+ try -= (sys_page_size >> 9)
+ - (currently_testing
+ % (sys_page_size >> 9));
+ continue;
+ } else
+ try = 1;
+ if (got == 0) {
+ bb_count += bb_output(currently_testing++);
+ }
}
+
num_blocks = 0;
alarm (0);
if (s_flag | v_flag)
- fprintf(stderr, _(done_string));
- flush_bufs(dev);
+ fputs(_(done_string), stderr);
+ flush_bufs();
if (s_flag | v_flag)
- fprintf (stderr, _("Reading and comparing: "));
- num_blocks = blocks_count;
+ fputs(_("Reading and comparing: "), stderr);
+ num_blocks = last_block;
currently_testing = from_count;
if (s_flag && v_flag <= 1)
alarm_intr(SIGALRM);
- for (;
- currently_testing < blocks_count;
- currently_testing++)
- {
- if (ext2fs_llseek (dev, (ext2_loff_t) currently_testing *
- block_size, SEEK_SET) !=
- (ext2_loff_t) currently_testing * block_size)
- com_err (program_name, errno,
- _("during seek on block %d"),
- currently_testing);
+
+ try = blocks_at_once;
+ while (currently_testing < last_block) {
+ if (currently_testing + try > last_block)
+ try = last_block - currently_testing;
+ got = do_read (dev, read_buffer, try, block_size,
+ currently_testing);
+ if (got == 0) {
+ bb_count += bb_output(currently_testing++);
+ continue;
+ }
+ for (i=0; i < got; i++) {
+ if (memcmp(read_buffer + i * block_size,
+ buffer + i * block_size,
+ block_size))
+ bb_count += bb_output(currently_testing+i);
+ }
+ currently_testing += got;
+ /* recover page-aligned offset for O_DIRECT */
+ if ( blocks_at_once >= (unsigned long) (sys_page_size >> 9)
+ && (currently_testing % (sys_page_size >> 9)!= 0))
+ try = blocks_at_once - (sys_page_size >> 9)
+ - (currently_testing
+ % (sys_page_size >> 9));
+ else
+ try = blocks_at_once;
if (v_flag > 1)
print_status();
- if ((read (dev, buffer + block_size, block_size)
- != block_size) ||
- memcmp(buffer, buffer + block_size, block_size))
- bb_count += bb_output(currently_testing);
}
+
num_blocks = 0;
alarm (0);
if (s_flag | v_flag)
- fprintf(stderr, _(done_string));
- flush_bufs(dev);
+ fputs(_(done_string), stderr);
+ flush_bufs();
}
-
+ uncapture_terminate();
+ free(buffer);
return bb_count;
}
int num;
};
-static unsigned int test_nd (int dev, unsigned long blocks_count,
+static unsigned int test_nd (int dev, unsigned long last_block,
int block_size, unsigned long from_count,
unsigned long blocks_at_once)
{
- char *blkbuf, *save_ptr, *test_ptr, *read_ptr;
- char * ptr;
+ unsigned char *blkbuf, *save_ptr, *test_ptr, *read_ptr;
+ unsigned char *test_base, *save_base, *read_base;
int try, i;
- long got, used2, written;
+ const unsigned long patterns[] = { ~0 };
+ const unsigned long *pattern;
+ int nr_pattern, pat_idx;
+ long got, used2, written, save_currently_testing;
struct saved_blk_record *test_record;
- int num_saved;
+ /* This is static to prevent being clobbered by the longjmp */
+ static int num_saved;
jmp_buf terminate_env;
errcode_t errcode;
- /* These are static to prevent being clobbered by the longjmp */
- static long buf_used = 0;
- static unsigned int bb_count = 0;
+ unsigned long buf_used;
+ static unsigned int bb_count;
+ bb_count = 0;
errcode = ext2fs_badblocks_list_iterate_begin(bb_list,&bb_iter);
if (errcode) {
com_err (program_name, errcode,
ext2fs_badblocks_list_iterate (bb_iter, &next_bad);
} while (next_bad && next_bad < from_count);
- blkbuf = malloc (3 * blocks_at_once * block_size);
+ blkbuf = allocate_buffer(3 * blocks_at_once * block_size);
test_record = malloc (blocks_at_once*sizeof(struct saved_blk_record));
if (!blkbuf || !test_record) {
com_err(program_name, ENOMEM, _("while allocating buffers"));
exit (1);
}
- num_saved = 0;
- /* inititalize the test data randomly: */
- if (v_flag) {
- fprintf (stderr, _("Initializing random test data\n"));
- }
- for(ptr = blkbuf + blocks_at_once * block_size;
- ptr < blkbuf + 2 * blocks_at_once * block_size;
- ++ptr) {
- (*ptr) = random() % (1 << sizeof(char));
- }
+ save_base = blkbuf;
+ test_base = blkbuf + (blocks_at_once * block_size);
+ read_base = blkbuf + (2 * blocks_at_once * block_size);
+
+ num_saved = 0;
- flush_bufs(dev);
+ flush_bufs();
if (v_flag) {
- fprintf (stderr,
- _("Checking for bad blocks in non-destructive read-write mode\n"));
- fprintf (stderr, _("From block %lu to %lu\n"), from_count, blocks_count);
+ 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);
}
if (s_flag || v_flag > 1) {
- fprintf(stderr, _("Checking for bad blocks (non-destructive read-write test): "));
- if (v_flag <= 1)
- alarm_intr(SIGALRM);
+ fputs(_("Checking for bad blocks (non-destructive read-write test)\n"), stderr);
}
if (setjmp(terminate_env)) {
/*
* Abnormal termination by a signal is handled here.
*/
+ signal (SIGALRM, SIG_IGN);
+ fputs(_("\nInterrupt caught, cleaning up\n"), stderr);
- fprintf(stderr, _("Interrupt caught, cleaning up\n"));
-
- save_ptr = blkbuf;
+ save_ptr = save_base;
for (i=0; i < num_saved; i++) {
do_write(dev, save_ptr, test_record[i].num,
block_size, test_record[i].block);
/* set up abend handler */
capture_terminate(terminate_env);
- buf_used = 0;
- save_ptr = blkbuf;
- test_ptr = blkbuf + (blocks_at_once * block_size);
- currently_testing = from_count;
- num_blocks = blocks_count;
+ if (t_flag) {
+ pattern = t_patts;
+ nr_pattern = t_flag;
+ } else {
+ pattern = patterns;
+ nr_pattern = sizeof(patterns) / sizeof(patterns[0]);
+ }
+ for (pat_idx = 0; pat_idx < nr_pattern; pat_idx++) {
+ pattern_fill(test_base, pattern[pat_idx],
+ blocks_at_once * block_size);
- while (currently_testing < blocks_count) {
- try = blocks_at_once - buf_used;
- if (next_bad) {
- if (currently_testing == next_bad) {
- /* fprintf (out, "%lu\n", nextbad); */
- ext2fs_badblocks_list_iterate (bb_iter, &next_bad);
- currently_testing++;
+ buf_used = 0;
+ bb_count = 0;
+ save_ptr = save_base;
+ test_ptr = test_base;
+ currently_testing = from_count;
+ num_blocks = last_block;
+ if (s_flag && v_flag <= 1)
+ alarm_intr(SIGALRM);
+
+ while (currently_testing < last_block) {
+ got = try = blocks_at_once - buf_used;
+ if (next_bad) {
+ if (currently_testing == next_bad) {
+ /* fprintf (out, "%lu\n", nextbad); */
+ ext2fs_badblocks_list_iterate (bb_iter, &next_bad);
+ currently_testing++;
+ goto check_for_more;
+ }
+ else if (currently_testing + try > next_bad)
+ try = next_bad - currently_testing;
+ }
+ if (currently_testing + try > last_block)
+ try = last_block - currently_testing;
+ got = do_read (dev, save_ptr, try, block_size,
+ currently_testing);
+ if (got == 0) {
+ /* First block must have been bad. */
+ bb_count += bb_output(currently_testing++);
goto check_for_more;
}
- else if (currently_testing + try > next_bad)
- try = next_bad - currently_testing;
- }
- if (currently_testing + try > blocks_count)
- try = blocks_count - currently_testing;
- got = do_read (dev, save_ptr, try, block_size,
- currently_testing);
- if (got == 0) {
- /* First block must have been bad. */
- bb_count += bb_output(currently_testing++);
- goto check_for_more;
- }
- /*
- * Note the fact that we've saved this much data
- * *before* we overwrite it with test data
- */
- test_record[num_saved].block = currently_testing;
- test_record[num_saved].num = got;
- num_saved++;
-
- /* Write the test data */
- written = do_write (dev, test_ptr, got, block_size,
- currently_testing);
- if (written != got)
- com_err (program_name, errno,
- _("during test data write, block %lu"),
- currently_testing + written);
-
- buf_used += got;
- save_ptr += got * block_size;
- test_ptr += got * block_size;
- currently_testing += got;
- if (got != try)
- bb_count += bb_output(currently_testing++);
-
- check_for_more:
- /*
- * If there's room for more blocks to be tested this
- * around, and we're not done yet testing the disk, go
- * back and get some more blocks.
- */
- if ((buf_used != blocks_at_once) &&
- (currently_testing < blocks_count))
- continue;
+ /*
+ * Note the fact that we've saved this much data
+ * *before* we overwrite it with test data
+ */
+ test_record[num_saved].block = currently_testing;
+ test_record[num_saved].num = got;
+ num_saved++;
+
+ /* Write the test data */
+ written = do_write (dev, test_ptr, got, block_size,
+ currently_testing);
+ if (written != got)
+ com_err (program_name, errno,
+ _("during test data write, block %lu"),
+ currently_testing + written);
- flush_bufs(dev);
+ buf_used += got;
+ save_ptr += got * block_size;
+ test_ptr += got * block_size;
+ currently_testing += got;
+ if (got != try)
+ bb_count += bb_output(currently_testing++);
+
+ check_for_more:
+ /*
+ * If there's room for more blocks to be tested this
+ * around, and we're not done yet testing the disk, go
+ * back and get some more blocks.
+ */
+ if ((buf_used != blocks_at_once) &&
+ (currently_testing < last_block))
+ continue;
- /*
- * for each contiguous block that we read into the
- * buffer (and wrote test data into afterwards), read
- * it back (looping if necessary, to get past newly
- * discovered unreadable blocks, of which there should
- * be none, but with a hard drive which is unreliable,
- * it has happened), and compare with the test data
- * that was written; output to the bad block list if
- * it doesn't match.
- */
- used2 = 0;
- save_ptr = blkbuf;
- test_ptr = blkbuf + (blocks_at_once * block_size);
- read_ptr = blkbuf + (2 * blocks_at_once * block_size);
- try = 0;
-
- while (1) {
- if (try == 0) {
- if (used2 >= num_saved)
- break;
- currently_testing = test_record[used2].block;
- try = test_record[used2].num;
- used2++;
- }
+ flush_bufs();
+ save_currently_testing = currently_testing;
+
+ /*
+ * for each contiguous block that we read into the
+ * buffer (and wrote test data into afterwards), read
+ * it back (looping if necessary, to get past newly
+ * discovered unreadable blocks, of which there should
+ * be none, but with a hard drive which is unreliable,
+ * it has happened), and compare with the test data
+ * that was written; output to the bad block list if
+ * it doesn't match.
+ */
+ used2 = 0;
+ save_ptr = save_base;
+ test_ptr = test_base;
+ read_ptr = read_base;
+ try = 0;
+
+ while (1) {
+ if (try == 0) {
+ if (used2 >= num_saved)
+ break;
+ currently_testing = test_record[used2].block;
+ try = test_record[used2].num;
+ used2++;
+ }
- got = do_read (dev, read_ptr, try,
- block_size, currently_testing);
-
- /* test the comparison between all the
- blocks successfully read */
- for (i = 0; i < got; ++i)
- if (memcmp (test_ptr+i*block_size,
- read_ptr+i*block_size, block_size))
- bb_count += bb_output(currently_testing + i);
- if (got < try) {
- bb_count += bb_output(currently_testing + got);
- got++;
- }
+ got = do_read (dev, read_ptr, try,
+ block_size, currently_testing);
+
+ /* test the comparison between all the
+ blocks successfully read */
+ for (i = 0; i < got; ++i)
+ if (memcmp (test_ptr+i*block_size,
+ read_ptr+i*block_size, block_size))
+ bb_count += bb_output(currently_testing + i);
+ if (got < try) {
+ bb_count += bb_output(currently_testing + got);
+ got++;
+ }
- /* when done, write back original data */
- do_write (dev, save_ptr, got, block_size,
- currently_testing);
+ /* write back original data */
+ do_write (dev, save_ptr, got,
+ block_size, currently_testing);
+ save_ptr += got * block_size;
+
+ currently_testing += got;
+ test_ptr += got * block_size;
+ read_ptr += got * block_size;
+ try -= got;
+ }
- currently_testing += got;
- save_ptr += got * block_size;
- test_ptr += got * block_size;
- read_ptr += got * block_size;
- try -= got;
+ /* empty the buffer so it can be reused */
+ num_saved = 0;
+ buf_used = 0;
+ save_ptr = save_base;
+ test_ptr = test_base;
+ currently_testing = save_currently_testing;
}
+ num_blocks = 0;
+ alarm(0);
+ if (s_flag || v_flag > 1)
+ fputs(_(done_string), stderr);
- /* empty the buffer so it can be reused */
- num_saved = 0;
- buf_used = 0;
- save_ptr = blkbuf;
- test_ptr = blkbuf + (blocks_at_once * block_size);
+ flush_bufs();
}
- num_blocks = 0;
- alarm(0);
uncapture_terminate();
- if (s_flag || v_flag > 1)
- fprintf(stderr, _(done_string));
-
fflush(stderr);
free(blkbuf);
free(test_record);
return bb_count;
}
+static void check_mount(char *device_name)
+{
+ errcode_t retval;
+ int mount_flags;
+
+ retval = ext2fs_check_if_mounted(device_name, &mount_flags);
+ if (retval) {
+ com_err("ext2fs_check_if_mount", retval,
+ _("while determining whether %s is mounted."),
+ device_name);
+ return;
+ }
+ if (!(mount_flags & EXT2_MF_MOUNTED))
+ return;
+
+ fprintf(stderr, _("%s is mounted; "), device_name);
+ if (force) {
+ fputs(_("badblocks forced anyway. "
+ "Hope /etc/mtab is incorrect.\n"), stderr);
+ return;
+ }
+ fputs(_("it's not safe to run badblocks!\n"), stderr);
+ exit(1);
+}
+
+
int main (int argc, char ** argv)
{
int c;
char * output_file = NULL;
FILE * in = NULL;
int block_size = 1024;
- unsigned long blocks_at_once = 16;
- blk_t blocks_count, from_count;
+ unsigned long blocks_at_once = 64;
+ blk_t last_block, from_count;
int num_passes = 0;
int passes_clean = 0;
int dev;
errcode_t errcode;
- unsigned int (*test_func)(int dev, unsigned long blocks_count,
- int block_size, unsigned long from_count,
- unsigned long blocks_at_once);
- size_t buf_size;
+ unsigned long pattern;
+ unsigned int (*test_func)(int, unsigned long,
+ int, unsigned long,
+ unsigned long);
+ int open_flag = 0;
+ long sysval;
setbuf(stdout, NULL);
setbuf(stderr, NULL);
#ifdef ENABLE_NLS
setlocale(LC_MESSAGES, "");
+ setlocale(LC_CTYPE, "");
bindtextdomain(NLS_CAT_NAME, LOCALEDIR);
textdomain(NLS_CAT_NAME);
#endif
+ srandom((unsigned int)time(NULL)); /* simple randomness is enough */
test_func = test_ro;
+
+ /* Determine the system page size if possible */
+#ifdef HAVE_SYSCONF
+#if (!defined(_SC_PAGESIZE) && defined(_SC_PAGE_SIZE))
+#define _SC_PAGESIZE _SC_PAGE_SIZE
+#endif
+#ifdef _SC_PAGESIZE
+ sysval = sysconf(_SC_PAGESIZE);
+ if (sysval > 0)
+ sys_page_size = sysval;
+#endif /* _SC_PAGESIZE */
+#endif /* HAVE_SYSCONF */
if (argc && *argv)
program_name = *argv;
- while ((c = getopt (argc, argv, "b:i:o:svwnc:p:h:")) != EOF) {
+ while ((c = getopt (argc, argv, "b:fi:o:svwnc:p:h:t:")) != EOF) {
switch (c) {
case 'b':
block_size = strtoul (optarg, &tmp, 0);
exit (1);
}
break;
+ case 'f':
+ force++;
+ break;
case 'i':
input_file = optarg;
break;
case 'h':
host_device_name = optarg;
break;
+ case 't':
+ if (t_flag + 1 > t_max) {
+ unsigned long *t_patts_new;
+
+ t_patts_new = realloc(t_patts, t_max + T_INC);
+ if (!t_patts_new) {
+ com_err(program_name, ENOMEM,
+ _("can't allocate memory for "
+ "test_pattern - %s"),
+ optarg);
+ exit(1);
+ }
+ t_patts = t_patts_new;
+ t_max += T_INC;
+ }
+ 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);
+ }
+ if (pattern == (unsigned long) ~0)
+ pattern = 0xffff;
+ t_patts[t_flag++] = pattern;
+ }
+ break;
default:
usage();
}
}
+ if (!w_flag) {
+ if (t_flag > 1) {
+ com_err(program_name, 0,
+ _("Maximum of one test_pattern may be specified "
+ "in read-only mode"));
+ exit(1);
+ }
+ if (t_patts && (t_patts[0] == (unsigned long) ~0)) {
+ com_err(program_name, 0,
+ _("Random test_pattern is not allowed "
+ "in read-only mode"));
+ exit(1);
+ }
+ }
if (optind > argc - 1)
usage();
device_name = argv[optind++];
if (optind > argc - 1) {
errcode = ext2fs_get_device_size(device_name,
block_size,
- &blocks_count);
+ &last_block);
if (errcode == EXT2_ET_UNIMPLEMENTED) {
com_err(program_name, 0,
_("Couldn't determine device size; you "
exit(1);
}
} else {
- blocks_count = strtoul (argv[optind], &tmp, 0);
+ last_block = strtoul (argv[optind], &tmp, 0);
if (*tmp) {
com_err (program_name, 0, _("bad blocks count - %s"),
argv[optind]);
}
if (optind <= argc-1) {
from_count = strtoul (argv[optind], &tmp, 0);
+ if (*tmp) {
+ com_err (program_name, 0, _("bad starting block - %s"),
+ argv[optind]);
+ exit (1);
+ }
} else from_count = 0;
- if (from_count >= blocks_count) {
+ if (from_count >= last_block) {
com_err (program_name, 0, _("bad blocks range: %lu-%lu"),
- from_count, blocks_count);
+ (unsigned long) from_count, (unsigned long) last_block);
exit (1);
}
- dev = open (device_name, w_flag ? O_RDWR : O_RDONLY);
- if (dev == -1)
- {
+ if (w_flag)
+ check_mount(device_name);
+
+ open_flag = w_flag ? O_RDWR : O_RDONLY;
+ dev = open (device_name, open_flag);
+ if (dev == -1) {
com_err (program_name, errno, _("while trying to open %s"),
device_name);
exit (1);
}
if (host_device_name) {
- host_dev = open (host_device_name, O_RDONLY);
- if (host_dev == -1)
- {
+ host_dev = open (host_device_name, open_flag);
+ if (host_dev == -1) {
com_err (program_name, errno,
_("while trying to open %s"),
host_device_name);
}
} else
host_dev = dev;
- if (input_file)
+ if (input_file) {
if (strcmp (input_file, "-") == 0)
in = stdin;
else {
exit (1);
}
}
+ }
if (output_file && strcmp (output_file, "-") != 0)
{
out = fopen (output_file, "w");
if (in) {
for(;;) {
- switch(fscanf (in, "%lu\n", &next_bad)) {
+ switch(fscanf (in, "%u\n", &next_bad)) {
case 0:
com_err (program_name, 0, "input file - bad format");
exit (1);
do {
unsigned int bb_count;
- bb_count = test_func(dev, blocks_count, block_size,
+ bb_count = test_func(dev, last_block, block_size,
from_count, blocks_at_once);
if (bb_count)
passes_clean = 0;
close (dev);
if (out != stdout)
fclose (out);
+ if (t_patts)
+ free(t_patts);
return 0;
}
git://git.whamcloud.com / tools / e2fsprogs.git / blobdiff