X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=btrfs-show-super.c;h=4273e42dca3d31423ed3f073f522d496c6542303;hb=8d6c4447823fa73e928e43f3c2f90f1da0ad5a47;hp=f587f106ee7a4a40e302fd2b8f14d36ad6ef82ae;hpb=b5acfa282b52b583d0648abc35eef8329014dd84;p=platform%2Fupstream%2Fbtrfs-progs.git diff --git a/btrfs-show-super.c b/btrfs-show-super.c index f587f10..4273e42 100644 --- a/btrfs-show-super.c +++ b/btrfs-show-super.c @@ -16,266 +16,24 @@ * Boston, MA 021110-1307, USA. */ -#define _XOPEN_SOURCE 500 -#define _GNU_SOURCE 1 -#include -#include -#include -#include -#include -#include -#include -#include - -#include "kerncompat.h" -#include "ctree.h" -#include "disk-io.h" -#include "print-tree.h" -#include "transaction.h" -#include "list.h" -#include "version.h" #include "utils.h" -#include "crc32c.h" - -static void print_usage(void); -static void dump_superblock(struct btrfs_super_block *sb); -int main(int argc, char **argv); -static int load_and_dump_sb(char *, int fd, u64 sb_bytenr); - - -static void print_usage(void) -{ - fprintf(stderr, - "usage: btrfs-show-super [-i super_mirror|-a] dev [dev..]\n"); - fprintf(stderr, "\tThe super_mirror number is between 0 and %d.\n", - BTRFS_SUPER_MIRROR_MAX - 1); - fprintf(stderr, "\tIf -a is passed all the superblocks are showed.\n"); - fprintf(stderr, "%s\n", BTRFS_BUILD_VERSION); -} +#include "commands.h" +#include "help.h" int main(int argc, char **argv) { - int opt; - int all = 0; - char *filename; - int fd = -1; - int arg, i; - u64 sb_bytenr = btrfs_sb_offset(0); - - while ((opt = getopt(argc, argv, "ai:")) != -1) { - switch (opt) { - case 'i': - arg = atoi(optarg); - - if (arg < 0 || arg >= BTRFS_SUPER_MIRROR_MAX) { - fprintf(stderr, - "Illegal super_mirror %d\n", - arg); - print_usage(); - exit(1); - } - sb_bytenr = btrfs_sb_offset(arg); - break; - - case 'a': - all = 1; - break; - - default: - print_usage(); - exit(1); - } - } - - if (argc < optind + 1) { - print_usage(); - exit(1); - } - - for (i = optind; i < argc; i++) { - filename = argv[i]; - fd = open(filename, O_RDONLY, 0666); - if (fd < 0) { - fprintf(stderr, "Could not open %s\n", filename); - exit(1); - } - - if (all) { - int idx; - for (idx = 0; idx < BTRFS_SUPER_MIRROR_MAX; idx++) { - sb_bytenr = btrfs_sb_offset(idx); - if (load_and_dump_sb(filename, fd, sb_bytenr)) { - close(fd); - exit(1); - } - - putchar('\n'); - } - } else { - load_and_dump_sb(filename, fd, sb_bytenr); - putchar('\n'); - } - close(fd); - } - - exit(0); -} - -static int load_and_dump_sb(char *filename, int fd, u64 sb_bytenr) -{ - u8 super_block_data[BTRFS_SUPER_INFO_SIZE]; - struct btrfs_super_block *sb; - u64 ret; - - sb = (struct btrfs_super_block *)super_block_data; - - ret = pread64(fd, super_block_data, BTRFS_SUPER_INFO_SIZE, sb_bytenr); - if (ret != BTRFS_SUPER_INFO_SIZE) { - int e = errno; - - /* check if the disk if too short for further superblock */ - if (ret == 0 && e == 0) - return 0; - - fprintf(stderr, - "ERROR: Failed to read the superblock on %s at %llu\n", - filename, (unsigned long long)sb_bytenr); - fprintf(stderr, - "ERROR: error = '%s', errno = %d\n", strerror(e), e); - return 1; - } - printf("superblock: bytenr=%llu, device=%s\n", sb_bytenr, filename); - printf("---------------------------------------------------------\n"); - dump_superblock(sb); - return 0; -} - -static int check_csum_sblock(void *sb, int csum_size) -{ - char result[csum_size]; - u32 crc = ~(u32)0; - - crc = btrfs_csum_data(NULL, (char *)sb + BTRFS_CSUM_SIZE, - crc, BTRFS_SUPER_INFO_SIZE - BTRFS_CSUM_SIZE); - btrfs_csum_final(crc, result); - - return !memcmp(sb, &result, csum_size); -} - -static void dump_superblock(struct btrfs_super_block *sb) -{ - int i; - char *s, buf[36+1]; - u8 *p; - - printf("csum\t\t\t0x"); - for (i = 0, p = sb->csum; i < btrfs_super_csum_size(sb); i++) - printf("%02x", p[i]); - if (check_csum_sblock(sb, btrfs_super_csum_size(sb))) - printf(" [match]"); - else - printf(" [DON'T MATCH]"); - putchar('\n'); - - printf("bytenr\t\t\t%llu\n", - (unsigned long long)btrfs_super_bytenr(sb)); - printf("flags\t\t\t0x%llx\n", - (unsigned long long)btrfs_super_flags(sb)); - - printf("magic\t\t\t"); - s = (char *) &sb->magic; - for (i = 0; i < 8; i++) - putchar(isprint(s[i]) ? s[i] : '.'); - if (sb->magic == cpu_to_le64(BTRFS_MAGIC)) - printf(" [match]\n"); - else - printf(" [DON'T MATCH]\n"); - uuid_unparse(sb->fsid, buf); - printf("fsid\t\t\t%s\n", buf); + int ret; - printf("label\t\t\t"); - s = sb->label; - for (i = 0; i < BTRFS_LABEL_SIZE && s[i]; i++) - putchar(isprint(s[i]) ? s[i] : '.'); - putchar('\n'); + set_argv0(argv); - printf("generation\t\t%llu\n", - (unsigned long long)btrfs_super_generation(sb)); - printf("root\t\t\t%llu\n", (unsigned long long)btrfs_super_root(sb)); - printf("sys_array_size\t\t%llu\n", - (unsigned long long)btrfs_super_sys_array_size(sb)); - printf("chunk_root_generation\t%llu\n", - (unsigned long long)btrfs_super_chunk_root_generation(sb)); - printf("root_level\t\t%llu\n", - (unsigned long long)btrfs_super_root_level(sb)); - printf("chunk_root\t\t%llu\n", - (unsigned long long)btrfs_super_chunk_root(sb)); - printf("chunk_root_level\t%llu\n", - (unsigned long long)btrfs_super_chunk_root_level(sb)); - printf("log_root\t\t%llu\n", - (unsigned long long)btrfs_super_log_root(sb)); - printf("log_root_transid\t%llu\n", - (unsigned long long)btrfs_super_log_root_transid(sb)); - printf("log_root_level\t\t%llu\n", - (unsigned long long)btrfs_super_log_root_level(sb)); - printf("total_bytes\t\t%llu\n", - (unsigned long long)btrfs_super_total_bytes(sb)); - printf("bytes_used\t\t%llu\n", - (unsigned long long)btrfs_super_bytes_used(sb)); - printf("sectorsize\t\t%llu\n", - (unsigned long long)btrfs_super_sectorsize(sb)); - printf("nodesize\t\t%llu\n", - (unsigned long long)btrfs_super_nodesize(sb)); - printf("leafsize\t\t%llu\n", - (unsigned long long)btrfs_super_leafsize(sb)); - printf("stripesize\t\t%llu\n", - (unsigned long long)btrfs_super_stripesize(sb)); - printf("root_dir\t\t%llu\n", - (unsigned long long)btrfs_super_root_dir(sb)); - printf("num_devices\t\t%llu\n", - (unsigned long long)btrfs_super_num_devices(sb)); - printf("compat_flags\t\t0x%llx\n", - (unsigned long long)btrfs_super_compat_flags(sb)); - printf("compat_ro_flags\t\t0x%llx\n", - (unsigned long long)btrfs_super_compat_ro_flags(sb)); - printf("incompat_flags\t\t0x%llx\n", - (unsigned long long)btrfs_super_incompat_flags(sb)); - printf("csum_type\t\t%llu\n", - (unsigned long long)btrfs_super_csum_type(sb)); - printf("csum_size\t\t%llu\n", - (unsigned long long)btrfs_super_csum_size(sb)); - printf("cache_generation\t%llu\n", - (unsigned long long)btrfs_super_cache_generation(sb)); + warning( +"\nthe tool has been deprecated, please use 'btrfs inspect-internal dump-super' instead\n"); - uuid_unparse(sb->dev_item.uuid, buf); - printf("dev_item.uuid\t\t%s\n", buf); + if (argc > 1 && !strcmp(argv[1], "--help")) + usage(cmd_inspect_dump_super_usage); - uuid_unparse(sb->dev_item.fsid, buf); - printf("dev_item.fsid\t\t%s %s\n", buf, - !memcmp(sb->dev_item.fsid, sb->fsid, BTRFS_FSID_SIZE) ? - "[match]" : "[DON'T MATCH]"); + ret = cmd_inspect_dump_super(argc, argv); - printf("dev_item.type\t\t%llu\n", (unsigned long long) - btrfs_stack_device_type(&sb->dev_item)); - printf("dev_item.total_bytes\t%llu\n", (unsigned long long) - btrfs_stack_device_total_bytes(&sb->dev_item)); - printf("dev_item.bytes_used\t%llu\n", (unsigned long long) - btrfs_stack_device_bytes_used(&sb->dev_item)); - printf("dev_item.io_align\t%u\n", (unsigned int) - btrfs_stack_device_io_align(&sb->dev_item)); - printf("dev_item.io_width\t%u\n", (unsigned int) - btrfs_stack_device_io_width(&sb->dev_item)); - printf("dev_item.sector_size\t%u\n", (unsigned int) - btrfs_stack_device_sector_size(&sb->dev_item)); - printf("dev_item.devid\t\t%llu\n", - btrfs_stack_device_id(&sb->dev_item)); - printf("dev_item.dev_group\t%u\n", (unsigned int) - btrfs_stack_device_group(&sb->dev_item)); - printf("dev_item.seek_speed\t%u\n", (unsigned int) - btrfs_stack_device_seek_speed(&sb->dev_item)); - printf("dev_item.bandwidth\t%u\n", (unsigned int) - btrfs_stack_device_bandwidth(&sb->dev_item)); - printf("dev_item.generation\t%llu\n", (unsigned long long) - btrfs_stack_device_generation(&sb->dev_item)); + return ret; }