OPTION_PREALLOCATION = 265,
OPTION_SHRINK = 266,
OPTION_SALVAGE = 267,
+ OPTION_TARGET_IS_ZERO = 268,
};
typedef enum OutputFormat {
return true;
}
+/*
+ * Is @optarg safe for accumulate_options()?
+ * It is when multiple of them can be joined together separated by ','.
+ * To make that work, @optarg must not start with ',' (or else a
+ * separating ',' preceding it gets escaped), and it must not end with
+ * an odd number of ',' (or else a separating ',' following it gets
+ * escaped), or be empty (or else a separating ',' preceding it can
+ * escape a separating ',' following it).
+ *
+ */
+static bool is_valid_option_list(const char *optarg)
+{
+ size_t len = strlen(optarg);
+ size_t i;
+
+ if (!optarg[0] || optarg[0] == ',') {
+ return false;
+ }
+
+ for (i = len; i > 0 && optarg[i - 1] == ','; i--) {
+ }
+ if ((len - i) % 2) {
+ return false;
+ }
+
+ return true;
+}
+
+static int accumulate_options(char **options, char *optarg)
+{
+ char *new_options;
+
+ if (!is_valid_option_list(optarg)) {
+ error_report("Invalid option list: %s", optarg);
+ return -1;
+ }
+
+ if (!*options) {
+ *options = g_strdup(optarg);
+ } else {
+ new_options = g_strdup_printf("%s,%s", *options, optarg);
+ g_free(*options);
+ *options = new_options;
+ }
+ return 0;
+}
+
static QemuOptsList qemu_source_opts = {
.name = "source",
.implied_opt_name = "file",
fmt = optarg;
break;
case 'o':
- if (!is_valid_option_list(optarg)) {
- error_report("Invalid option list: %s", optarg);
+ if (accumulate_options(&options, optarg) < 0) {
goto fail;
}
- if (!options) {
- options = g_strdup(optarg);
- } else {
- char *old_options = options;
- options = g_strdup_printf("%s,%s", options, optarg);
- g_free(old_options);
- }
break;
case 'q':
quiet = true;
check->leaks = result.leaks;
check->has_leaks = result.leaks != 0;
check->corruptions_fixed = result.corruptions_fixed;
- check->has_corruptions_fixed = result.corruptions != 0;
+ check->has_corruptions_fixed = result.corruptions_fixed != 0;
check->leaks_fixed = result.leaks_fixed;
- check->has_leaks_fixed = result.leaks != 0;
+ check->has_leaks_fixed = result.leaks_fixed != 0;
check->image_end_offset = result.image_end_offset;
check->has_image_end_offset = result.image_end_offset != 0;
check->total_clusters = result.bfi.total_clusters;
if (check->corruptions_fixed || check->leaks_fixed) {
int corruptions_fixed, leaks_fixed;
+ bool has_leaks_fixed, has_corruptions_fixed;
leaks_fixed = check->leaks_fixed;
+ has_leaks_fixed = check->has_leaks_fixed;
corruptions_fixed = check->corruptions_fixed;
+ has_corruptions_fixed = check->has_corruptions_fixed;
if (output_format == OFORMAT_HUMAN) {
qprintf(quiet,
check->corruptions_fixed);
}
+ qapi_free_ImageCheck(check);
+ check = g_new0(ImageCheck, 1);
ret = collect_image_check(bs, check, filename, fmt, 0);
check->leaks_fixed = leaks_fixed;
+ check->has_leaks_fixed = has_leaks_fixed;
check->corruptions_fixed = corruptions_fixed;
+ check->has_corruptions_fixed = has_corruptions_fixed;
}
if (!ret) {
do {
float progress = 0.0f;
aio_poll(aio_context, true);
- if (job->job.progress_total) {
- progress = (float)job->job.progress_current /
- job->job.progress_total * 100.f;
+ if (job->job.progress.total) {
+ progress = (float)job->job.progress.current /
+ job->job.progress.total * 100.f;
}
qemu_progress_print(progress, 0);
} while (!job_is_ready(&job->job) && !job_is_completed(&job->job));
if (status == BLK_DATA && !copy_range) {
ret = convert_co_read(s, sector_num, n, buf);
if (ret < 0) {
- error_report("error while reading sector %" PRId64
- ": %s", sector_num, strerror(-ret));
+ error_report("error while reading at byte %lld: %s",
+ sector_num * BDRV_SECTOR_SIZE, strerror(-ret));
s->ret = ret;
}
} else if (!s->min_sparse && status == BLK_ZERO) {
ret = convert_co_write(s, sector_num, n, buf, status);
}
if (ret < 0) {
- error_report("error while writing sector %" PRId64
- ": %s", sector_num, strerror(-ret));
+ error_report("error while writing at byte %lld: %s",
+ sector_num * BDRV_SECTOR_SIZE, strerror(-ret));
s->ret = ret;
}
}
int64_t sector_num = 0;
/* Check whether we have zero initialisation or can get it efficiently */
- if (s->target_is_new && s->min_sparse && !s->target_has_backing) {
+ if (!s->has_zero_init && s->target_is_new && s->min_sparse &&
+ !s->target_has_backing) {
s->has_zero_init = bdrv_has_zero_init(blk_bs(s->target));
- } else {
- s->has_zero_init = false;
}
if (!s->has_zero_init && !s->target_has_backing &&
{"force-share", no_argument, 0, 'U'},
{"target-image-opts", no_argument, 0, OPTION_TARGET_IMAGE_OPTS},
{"salvage", no_argument, 0, OPTION_SALVAGE},
+ {"target-is-zero", no_argument, 0, OPTION_TARGET_IS_ZERO},
{0, 0, 0, 0}
};
c = getopt_long(argc, argv, ":hf:O:B:Cco:l:S:pt:T:qnm:WU",
s.compressed = true;
break;
case 'o':
- if (!is_valid_option_list(optarg)) {
- error_report("Invalid option list: %s", optarg);
+ if (accumulate_options(&options, optarg) < 0) {
goto fail_getopt;
}
- if (!options) {
- options = g_strdup(optarg);
- } else {
- char *old_options = options;
- options = g_strdup_printf("%s,%s", options, optarg);
- g_free(old_options);
- }
break;
case 'l':
if (strstart(optarg, SNAPSHOT_OPT_BASE, NULL)) {
case OPTION_TARGET_IMAGE_OPTS:
tgt_image_opts = true;
break;
+ case OPTION_TARGET_IS_ZERO:
+ /*
+ * The user asserting that the target is blank has the
+ * same effect as the target driver supporting zero
+ * initialisation.
+ */
+ s.has_zero_init = true;
+ break;
}
}
warn_report("This will become an error in future QEMU versions.");
}
+ if (s.has_zero_init && !skip_create) {
+ error_report("--target-is-zero requires use of -n flag");
+ goto fail_getopt;
+ }
+
s.src_num = argc - optind - 1;
out_filename = s.src_num >= 1 ? argv[argc - 1] : NULL;
}
s.target_has_backing = (bool) out_baseimg;
+ if (s.has_zero_init && s.target_has_backing) {
+ error_report("Cannot use --target-is-zero when the destination "
+ "image has a backing file");
+ goto out;
+ }
+
if (s.src_num > 1 && out_baseimg) {
error_report("Having a backing file for the target makes no sense when "
"concatenating multiple input images");
}
}
- if (s.target_has_backing) {
+ if (s.target_has_backing && s.target_is_new) {
/* Errors are treated as "backing length unknown" (which means
* s.target_backing_sectors has to be negative, which it will
* be automatically). The backing file length is used only
* resizing, so pass @exact=true. It is of no use to report
* success when the image has not actually been resized.
*/
- ret = blk_truncate(blk, total_size, true, prealloc, &err);
+ ret = blk_truncate(blk, total_size, true, prealloc, 0, &err);
if (!ret) {
qprintf(quiet, "Image resized.\n");
} else {
help();
break;
case 'o':
- if (!is_valid_option_list(optarg)) {
- error_report("Invalid option list: %s", optarg);
+ if (accumulate_options(&options, optarg) < 0) {
ret = -1;
goto out_no_progress;
}
- if (!options) {
- options = g_strdup(optarg);
- } else {
- char *old_options = options;
- options = g_strdup_printf("%s,%s", options, optarg);
- g_free(old_options);
- }
break;
case 'f':
fmt = optarg;
out_fmt = optarg;
break;
case 'o':
- if (!is_valid_option_list(optarg)) {
- error_report("Invalid option list: %s", optarg);
+ if (accumulate_options(&options, optarg) < 0) {
goto out;
}
- if (!options) {
- options = g_strdup(optarg);
- } else {
- char *old_options = options;
- options = g_strdup_printf("%s,%s", options, optarg);
- g_free(old_options);
- }
break;
case 'l':
if (strstart(optarg, SNAPSHOT_OPT_BASE, NULL)) {
filename = argv[optind];
}
- if (!filename &&
- (object_opts || image_opts || fmt || snapshot_name || sn_opts)) {
- error_report("--object, --image-opts, -f, and -l "
- "require a filename argument.");
+ if (!filename && (image_opts || fmt || snapshot_name || sn_opts)) {
+ error_report("--image-opts, -f, and -l require a filename argument.");
goto out;
}
if (filename && img_size != UINT64_MAX) {
projects / mirror_qemu.git / blobdiff