* Boston, MA 021110-1307, USA.
*/
-#define _XOPEN_SOURCE 500
-#define _GNU_SOURCE 1
-#include <stdio.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <fcntl.h>
-#include <sys/stat.h>
-#include <ctype.h>
-#include <uuid/uuid.h>
-#include <errno.h>
-
-#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);
- close(fd);
- 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 (!memcmp(BTRFS_MAGIC, &sb->magic, 8))
- 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;
}
projects / platform / upstream / btrfs-progs.git / blobdiff