diff options
Diffstat (limited to 'qemu-img.c')
| -rw-r--r-- | qemu-img.c | 48 |
1 files changed, 33 insertions, 15 deletions
diff --git a/qemu-img.c b/qemu-img.c index bdb9f6aa46..53bd32bf8f 100644 --- a/qemu-img.c +++ b/qemu-img.c @@ -79,6 +79,7 @@ enum { OPTION_DISABLE = 273, OPTION_MERGE = 274, OPTION_BITMAPS = 275, + OPTION_FORCE = 276, }; typedef enum OutputFormat { @@ -1680,7 +1681,6 @@ typedef struct ImgConvertState { BlockBackend *target; bool has_zero_init; bool compressed; - bool unallocated_blocks_are_zero; bool target_is_new; bool target_has_backing; int64_t target_backing_sectors; /* negative if unknown */ @@ -1725,7 +1725,7 @@ static int convert_iteration_sectors(ImgConvertState *s, int64_t sector_num) if (s->target_backing_sectors >= 0) { if (sector_num >= s->target_backing_sectors) { - post_backing_zero = s->unallocated_blocks_are_zero; + post_backing_zero = true; } else if (sector_num + n > s->target_backing_sectors) { /* Split requests around target_backing_sectors (because * starting from there, zeros are handled differently) */ @@ -2677,7 +2677,6 @@ static int img_convert(int argc, char **argv) } else { s.compressed = s.compressed || bdi.needs_compressed_writes; s.cluster_sectors = bdi.cluster_size / BDRV_SECTOR_SIZE; - s.unallocated_blocks_are_zero = bdi.unallocated_blocks_are_zero; } ret = convert_do_copy(&s); @@ -4067,12 +4066,11 @@ static int print_amend_option_help(const char *format) return 1; } - /* Every driver supporting amendment must have create_opts */ - assert(drv->create_opts); + /* Every driver supporting amendment must have amend_opts */ + assert(drv->amend_opts); - printf("Creation options for '%s':\n", format); - qemu_opts_print_help(drv->create_opts, false); - printf("\nNote that not all of these options may be amendable.\n"); + printf("Amend options for '%s':\n", format); + qemu_opts_print_help(drv->amend_opts, false); return 0; } @@ -4081,7 +4079,7 @@ static int img_amend(int argc, char **argv) Error *err = NULL; int c, ret = 0; char *options = NULL; - QemuOptsList *create_opts = NULL; + QemuOptsList *amend_opts = NULL; QemuOpts *opts = NULL; const char *fmt = NULL, *filename, *cache; int flags; @@ -4090,6 +4088,7 @@ static int img_amend(int argc, char **argv) BlockBackend *blk = NULL; BlockDriverState *bs = NULL; bool image_opts = false; + bool force = false; cache = BDRV_DEFAULT_CACHE; for (;;) { @@ -4097,6 +4096,7 @@ static int img_amend(int argc, char **argv) {"help", no_argument, 0, 'h'}, {"object", required_argument, 0, OPTION_OBJECT}, {"image-opts", no_argument, 0, OPTION_IMAGE_OPTS}, + {"force", no_argument, 0, OPTION_FORCE}, {0, 0, 0, 0} }; c = getopt_long(argc, argv, ":ho:f:t:pq", @@ -4144,6 +4144,9 @@ static int img_amend(int argc, char **argv) case OPTION_IMAGE_OPTS: image_opts = true; break; + case OPTION_FORCE: + force = true; + break; } } @@ -4207,13 +4210,28 @@ static int img_amend(int argc, char **argv) goto out; } - /* Every driver supporting amendment must have create_opts */ - assert(bs->drv->create_opts); + /* Every driver supporting amendment must have amend_opts */ + assert(bs->drv->amend_opts); - create_opts = qemu_opts_append(create_opts, bs->drv->create_opts); - opts = qemu_opts_create(create_opts, NULL, 0, &error_abort); + amend_opts = qemu_opts_append(amend_opts, bs->drv->amend_opts); + opts = qemu_opts_create(amend_opts, NULL, 0, &error_abort); qemu_opts_do_parse(opts, options, NULL, &err); + if (err) { + /* Try to parse options using the create options */ + Error *err1 = NULL; + amend_opts = qemu_opts_append(amend_opts, bs->drv->create_opts); + qemu_opts_del(opts); + opts = qemu_opts_create(amend_opts, NULL, 0, &error_abort); + qemu_opts_do_parse(opts, options, NULL, &err1); + + if (!err1) { + error_append_hint(&err, + "This option is only supported for image creation\n"); + } else { + error_free(err1); + } + error_report_err(err); ret = -1; goto out; @@ -4221,7 +4239,7 @@ static int img_amend(int argc, char **argv) /* In case the driver does not call amend_status_cb() */ qemu_progress_print(0.f, 0); - ret = bdrv_amend_options(bs, opts, &amend_status_cb, NULL, &err); + ret = bdrv_amend_options(bs, opts, &amend_status_cb, NULL, force, &err); qemu_progress_print(100.f, 0); if (ret < 0) { error_report_err(err); @@ -4234,7 +4252,7 @@ out: out_no_progress: blk_unref(blk); qemu_opts_del(opts); - qemu_opts_free(create_opts); + qemu_opts_free(amend_opts); g_free(options); if (ret) { |