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fix libblkid BLOCK_SIZE check

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This commit is contained in:
David Teigland 2020-06-11 12:43:07 -05:00
parent 6ea3654868
commit 9fbad5bb0f
1 changed files with 12 additions and 24 deletions
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36
lib/device/dev-type.c
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@ -649,37 +649,25 @@ out:
#ifdef BLKID_WIPING_SUPPORT
int get_fs_block_size(struct device *dev, uint32_t *fs_block_size)
{
blkid_probe probe = NULL;
const char *block_size_str = NULL;
char *block_size_str = NULL;
uint64_t block_size_val;
int r = 0;
*fs_block_size = 0;
if (!(probe = blkid_new_probe_from_filename(dev_name(dev)))) {
log_error("Failed to create a new blkid probe for device %s.", dev_name(dev));
goto out;
if ((block_size_str = blkid_get_tag_value(NULL, "BLOCK_SIZE", dev_name(dev)))) {
block_size_val = strtoull(block_size_str, NULL, 10);
*fs_block_size = (uint32_t)block_size_val;
free(block_size_str);
log_debug("Found blkid BLOCK_SIZE %u for fs on %s", *fs_block_size, dev_name(dev));
return 1;
} else {
log_debug("No blkid BLOCK_SIZE for fs on %s", dev_name(dev));
*fs_block_size = 0;
return 0;
}
blkid_probe_enable_partitions(probe, 1);
(void) blkid_probe_lookup_value(probe, "BLOCK_SIZE", &block_size_str, NULL);
if (!block_size_str)
goto out;
block_size_val = strtoull(block_size_str, NULL, 10);
*fs_block_size = (uint32_t)block_size_val;
r = 1;
out:
if (probe)
blkid_free_probe(probe);
return r;
}
#else
int get_fs_block_size(struct device *dev, uint32_t *fs_block_size)
{
log_debug("Disabled blkid BLOCK_SIZE for fs.");
*fs_block_size = 0;
return 0;
}