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Add force to prepare-empty-data-device

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Signed-off-by: Zach Brown <zab@versity.com>
This commit is contained in:
Zach Brown
2023-11-02 18:05:51 -07:00
parent b56b8e502c
commit a7ed6bf242
1 changed files with 21 additions and 13 deletions
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34
utils/src/prepare_empty_data_device.c
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@@ -38,6 +38,7 @@ struct prepare_empty_data_dev_args {
char *meta_device;
char *data_device;
bool check;
bool force;
};
static int do_prepare_empty_data_dev(struct prepare_empty_data_dev_args *args)
@@ -77,20 +78,22 @@ static int do_prepare_empty_data_dev(struct prepare_empty_data_dev_args *args)
goto out;
}
ret = meta_super_in_use(meta_fd, meta_super);
if (ret < 0) {
if (ret == -EBUSY)
fprintf(stderr, "The filesystem must be fully recovered and cleanly unmounted to determine if the data device is empty.\n");
goto out;
}
if (!args->force) {
ret = meta_super_in_use(meta_fd, meta_super);
if (ret < 0) {
if (ret == -EBUSY)
fprintf(stderr, "The filesystem must be fully recovered and cleanly unmounted to determine if the data device is empty.\n");
goto out;
}
in_use = (le64_to_cpu(meta_super->total_data_blocks) - SCOUTFS_DATA_DEV_START_BLKNO) -
le64_to_cpu(meta_super->data_alloc.total_len);
if (in_use) {
fprintf(stderr, "Data block allocator metadata shows "SIZE_FMT" data blocks used by files. They must be removed, truncated, or released before a new empty data device can be used.\n",
SIZE_ARGS(in_use, SCOUTFS_BLOCK_SM_SIZE));
ret = -EINVAL;
goto out;
in_use = (le64_to_cpu(meta_super->total_data_blocks) - SCOUTFS_DATA_DEV_START_BLKNO) -
le64_to_cpu(meta_super->data_alloc.total_len);
if (in_use) {
fprintf(stderr, "Data block allocator metadata shows "SIZE_FMT" data blocks used by files. They must be removed, truncated, or released before a new empty data device can be used.\n",
SIZE_ARGS(in_use, SCOUTFS_BLOCK_SM_SIZE));
ret = -EINVAL;
goto out;
}
}
if (args->data_device) {
@@ -193,6 +196,9 @@ static int parse_opt(int key, char *arg, struct argp_state *state)
case 'c':
args->check = true;
break;
case 'f':
args->force = true;
break;
case ARGP_KEY_ARG:
if (!args->meta_device)
args->meta_device = strdup_or_error(state, arg);
@@ -216,6 +222,7 @@ static int parse_opt(int key, char *arg, struct argp_state *state)
static struct argp_option options[] = {
{ "check", 'c', NULL, 0, "Only check for errors and do not write", },
{ "force", 'f', NULL, 0, "Do not check that super is in use, nor if blocks are in use",},
{ NULL }
};
@@ -230,6 +237,7 @@ static int prepare_empty_data_dev_cmd(int argc, char *argv[])
{
struct prepare_empty_data_dev_args prepare_empty_data_dev_args = {
.check = false,
.force = false,
};
int ret;