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btrfs-progs: btrfstune: use common message helpers 

Signed-off-by: David Sterba <dsterba@suse.com>
master
David Sterba 2016-09-30 13:00:24 +02:00
parent f446c027ca
commit 14de259f1f
1 changed files with 24 additions and 30 deletions
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54
btrfstune.c
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@ -50,18 +50,18 @@ static int update_seeding_flag(struct btrfs_root *root, int set_flag)
if (force)
return 0;
else
fprintf(stderr, "seeding flag is already set on %s\n", device);
warning("seeding flag is already set on %s",
device);
return 1;
}
super_flags |= BTRFS_SUPER_FLAG_SEEDING;
} else {
if (!(super_flags & BTRFS_SUPER_FLAG_SEEDING)) {
fprintf(stderr, "seeding flag is not set on %s\n",
device);
warning("seeding flag is not set on %s", device);
return 1;
}
super_flags &= ~BTRFS_SUPER_FLAG_SEEDING;
fprintf(stderr, "Warning: Seeding flag cleared.\n");
warning("seeding flag cleared on %s", device);
}
trans = btrfs_start_transaction(root, 1);
@ -153,15 +153,14 @@ static int change_extents_uuid(struct btrfs_fs_info *fs_info)
bytenr = key.objectid;
eb = read_tree_block(root, bytenr, root->nodesize, 0);
if (IS_ERR(eb)) {
fprintf(stderr, "Failed to read tree block: %llu\n",
bytenr);
error("failed to read tree block: %llu", bytenr);
ret = PTR_ERR(eb);
goto out;
}
ret = change_header_uuid(root, eb);
free_extent_buffer(eb);
if (ret < 0) {
fprintf(stderr, "Failed to change uuid of tree block: %llu\n",
error("failed to change uuid of tree block: %llu",
bytenr);
goto out;
}
@ -310,8 +309,8 @@ static int change_uuid(struct btrfs_fs_info *fs_info, const char *new_fsid_str)
uuid_parse(new_fsid_str, tmp);
if (memcmp(tmp, new_fsid, BTRFS_FSID_SIZE)) {
fprintf(stderr,
"ERROR: New fsid %s is not the same with unfinished fsid change\n",
error(
"new fsid %s is not the same with unfinished fsid change",
new_fsid_str);
return -EINVAL;
}
@ -343,7 +342,7 @@ static int change_uuid(struct btrfs_fs_info *fs_info, const char *new_fsid_str)
printf("Change fsid in extents\n");
ret = change_extents_uuid(fs_info);
if (ret < 0) {
fprintf(stderr, "Failed to change UUID of metadata\n");
error("failed to change UUID of metadata: %d", ret);
goto out;
}
@ -351,7 +350,7 @@ static int change_uuid(struct btrfs_fs_info *fs_info, const char *new_fsid_str)
printf("Change fsid on devices\n");
ret = change_devices_uuid(fs_info);
if (ret < 0) {
fprintf(stderr, "Failed to change UUID of devices\n");
error("failed to change UUID of devices: %d", ret);
goto out;
}
@ -448,13 +447,11 @@ int main(int argc, char *argv[])
}
if (random_fsid && new_fsid_str) {
fprintf(stderr,
"ERROR: Random fsid can't be used with specified fsid\n");
error("random fsid can't be used with specified fsid");
return 1;
}
if (!super_flags && !seeding_flag && !(random_fsid || new_fsid_str)) {
fprintf(stderr,
"ERROR: At least one option should be assigned.\n");
error("at least one option should be specified");
print_usage();
return 1;
}
@ -464,39 +461,36 @@ int main(int argc, char *argv[])
ret = uuid_parse(new_fsid_str, tmp);
if (ret < 0) {
fprintf(stderr,
"ERROR: Could not parse UUID: %s\n",
new_fsid_str);
error("could not parse UUID: %s", new_fsid_str);
return 1;
}
if (!test_uuid_unique(new_fsid_str)) {
fprintf(stderr,
"ERROR: Fsid %s is not unique\n",
new_fsid_str);
error("fsid %s is not unique", new_fsid_str);
return 1;
}
}
ret = check_mounted(device);
if (ret < 0) {
fprintf(stderr, "Could not check mount status: %s\n",
error("could not check mount status of %s: %s", device,
strerror(-ret));
return 1;
} else if (ret) {
fprintf(stderr, "%s is mounted\n", device);
error("%s is mounted", device);
return 1;
}
root = open_ctree(device, 0, ctree_flags);
if (!root) {
fprintf(stderr, "Open ctree failed\n");
error("open ctree failed");
return 1;
}
if (seeding_flag) {
if (!seeding_value && !force) {
fprintf(stderr, "Warning: This is dangerous, clearing the seeding flag may cause the derived device not to be mountable!\n");
warning(
"this is dangerous, clearing the seeding flag may cause the derived device not to be mountable!");
ret = ask_user("We are going to clear the seeding flag, are you sure?");
if (!ret) {
fprintf(stderr, "Clear seeding flag canceled\n");
@ -520,10 +514,10 @@ int main(int argc, char *argv[])
if (random_fsid || new_fsid_str) {
if (!force) {
fprintf(stderr,
"Warning: It's highly recommended to run 'btrfs check' before this operation\n");
fprintf(stderr,
"Also canceling running UUID change progress may cause corruption\n");
warning(
"it's highly recommended to run 'btrfs check' before this operation");
warning(
"also canceling running UUID change progress may cause corruption");
ret = ask_user("We are going to change UUID, are your sure?");
if (!ret) {
fprintf(stderr, "UUID change canceled\n");
@ -542,7 +536,7 @@ int main(int argc, char *argv[])
} else {
root->fs_info->readonly = 1;
ret = 1;
fprintf(stderr, "btrfstune failed\n");
error("btrfstune failed");
}
out:
close_ctree(root);