#define ZAP_BOOTBLOCK
#endif
+#define DISCARD_STEP_MB (2048)
+
extern int isatty(int);
extern FILE *fpopen(const char *cmd, const char *mode);
return retval;
}
+static int mke2fs_discard_device(ext2_filsys fs)
+{
+ struct ext2fs_numeric_progress_struct progress;
+ blk64_t blocks = ext2fs_blocks_count(fs->super);
+ blk64_t count = DISCARD_STEP_MB;
+ blk64_t cur = 0;
+ int retval = 0;
+
+ count *= (1024 * 1024);
+ count /= fs->blocksize;
+
+ ext2fs_numeric_progress_init(fs, &progress,
+ _("Discarding device blocks: "),
+ blocks);
+ while (cur < blocks) {
+ ext2fs_numeric_progress_update(fs, &progress, cur);
+
+ if (cur + count > blocks)
+ count = blocks - cur;
+
+ retval = io_channel_discard(fs->io, cur, count, fs->blocksize);
+ if (retval)
+ break;
+ cur += count;
+ }
+
+ if (retval) {
+ ext2fs_numeric_progress_close(fs, &progress,
+ _("failed - "));
+ if (!quiet)
+ printf("%s\n",error_message(retval));
+ } else
+ ext2fs_numeric_progress_close(fs, &progress,
+ _("done \n"));
+
+ return retval;
+}
+
int main (int argc, char *argv[])
{
errcode_t retval = 0;
/* Can't undo discard ... */
if (discard && (io_ptr != undo_io_manager)) {
- blk64_t blocks = ext2fs_blocks_count(fs->super);
- if (verbose)
- printf(_("Calling BLKDISCARD from 0 to %llu... "),
- (unsigned long long) blocks);
- retval = io_channel_discard(fs->io, 0, blocks, fs->blocksize);
- if (verbose) {
- if (retval)
- printf(_("failed (%s)\n"),
- error_message(retval));
- else
- printf(_("succeeded\n"));
- }
-
+ retval = mke2fs_discard_device(fs);
if (!retval && io_channel_discard_zeroes_data(fs->io)) {
if (verbose)
printf(_("Discard succeeded and will return 0s "