diff --git a/qemu-img.c b/qemu-img.c index ccf4a6f9fddc0b012307911a900986cd47a34f33..29149a23c8af3b01ff283c669a295b7fd015220d 100644 --- a/qemu-img.c +++ b/qemu-img.c @@ -58,6 +58,7 @@ static void help(void) "QEMU disk image utility\n" "\n" "Command syntax:\n" + " check [-f fmt] filename\n" " create [-e] [-6] [-F fmt] [-b base_image] [-f fmt] filename [size]\n" " commit [-f fmt] filename\n" " convert [-c] [-e] [-6] [-f fmt] [-O output_fmt] [-B output_base_image] filename [filename2 [...]] output_filename\n" @@ -315,6 +316,65 @@ static int img_create(int argc, char **argv) return 0; } +static int img_check(int argc, char **argv) +{ + int c, ret; + const char *filename, *fmt; + BlockDriver *drv; + BlockDriverState *bs; + + fmt = NULL; + for(;;) { + c = getopt(argc, argv, "f:h"); + if (c == -1) + break; + switch(c) { + case 'h': + help(); + break; + case 'f': + fmt = optarg; + break; + } + } + if (optind >= argc) + help(); + filename = argv[optind++]; + + bs = bdrv_new(""); + if (!bs) + error("Not enough memory"); + if (fmt) { + drv = bdrv_find_format(fmt); + if (!drv) + error("Unknown file format '%s'", fmt); + } else { + drv = NULL; + } + if (bdrv_open2(bs, filename, BRDV_O_FLAGS, drv) < 0) { + error("Could not open '%s'", filename); + } + ret = bdrv_check(bs); + switch(ret) { + case 0: + printf("No errors were found on the image.\n"); + break; + case -ENOTSUP: + error("This image format does not support checks"); + break; + default: + if (ret < 0) { + error("An error occurred during the check"); + } else { + printf("%d errors were found on the image.\n", ret); + } + break; + } + + bdrv_delete(bs); + return 0; +} + static int img_commit(int argc, char **argv) { int c, ret; @@ -888,6 +948,8 @@ int main(int argc, char **argv) argc--; argv++; if (!strcmp(cmd, "create")) { img_create(argc, argv); + } else if (!strcmp(cmd, "check")) { + img_check(argc, argv); } else if (!strcmp(cmd, "commit")) { img_commit(argc, argv); } else if (!strcmp(cmd, "convert")) {