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btrfs-progs: corrupt-block: Convert -K flag argument handling to common function 

There is now a common function used to parse btrfs keys triplets so
use that one. No functional changes.

Signed-off-by: Nikolay Borisov <nborisov@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Nikolay Borisov 2018-05-14 14:13:30 +03:00 committed by David Sterba
parent 3fa8b8ca45
commit f7a27396cf
1 changed files with 5 additions and 11 deletions
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16
btrfs-corrupt-block.c
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@ -114,7 +114,7 @@ static void print_usage(int ret)
printf("\t-i The inode item to corrupt (must also specify the field to corrupt)\n");
printf("\t-x The file extent item to corrupt (must also specify -i for the inode and -f for the field to corrupt)\n");
printf("\t-m The metadata block to corrupt (must also specify -f for the field to corrupt)\n");
printf("\t-K The key to corrupt in the format <num>,<num>,<num> (must also specify -f for the field)\n");
printf("\t-K <u64,u8,u64> Corrupt the given key (must also specify -f for the field)\n");
printf("\t-f The field in the item to corrupt\n");
printf("\t-I <u64,u8,u64> Corrupt an item corresponding to the passed key triplet (must also specify the field to corrupt and root for the item)\n");
printf("\t-D Corrupt a dir item, must specify key and field\n");
@ -1129,6 +1129,7 @@ int main(int argc, char **argv)
int corrupt_item = 0;
int corrupt_di = 0;
int delete = 0;
int should_corrupt_key = 0;
u64 metadata_block = 0;
u64 inode = 0;
u64 file_extent = (u64)-1;
@ -1207,15 +1208,8 @@ int main(int argc, char **argv)
metadata_block = arg_strtou64(optarg);
break;
case 'K':
ret = sscanf(optarg, "%llu,%u,%llu",
&key.objectid,
(unsigned int *)&key.type,
&key.offset);
if (ret != 3) {
fprintf(stderr, "error reading key "
"%d\n", errno);
print_usage(1);
}
should_corrupt_key = 1;
parse_key(&key.objectid, &key.type, &key.offset);
break;
case 'D':
corrupt_di = 1;
@ -1370,7 +1364,7 @@ int main(int argc, char **argv)
ret = delete_item(target, &key);
goto out_close;
}
if (key.objectid || key.offset || key.type) {
if (should_corrupt_key) {
if (*field == 0)
print_usage(1);
ret = corrupt_key(root, &key, field);