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libdm: move code for _stats_resize_group

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Code is only needed when "fiemap.h" so keep it under single #ifdef.
This commit is contained in:
Zdenek Kabelac 2017-02-14 09:53:13 +01:00
parent 6118b0fb93
commit 3350eb67cc
1 changed files with 31 additions and 31 deletions
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62
libdm/libdm-stats.c
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@ -3868,37 +3868,6 @@ static int _extent_start_compare(const void *p1, const void *p2)
return 1;
}
/*
* Resize the group bitmap corresponding to group_id so that it can
* contain at least num_regions members.
*/
static int _stats_resize_group(struct dm_stats_group *group, int num_regions)
{
int last_bit = dm_bit_get_last(group->regions);
dm_bitset_t new, old;
if (last_bit >= num_regions) {
log_error("Cannot resize group bitmap to %d with bit %d set.",
num_regions, last_bit);
return 0;
}
log_very_verbose("Resizing group bitmap from %d to %d (last_bit: %d).",
group->regions[0], num_regions, last_bit);
new = dm_bitset_create(NULL, num_regions);
if (!new) {
log_error("Could not allocate memory for new group bitmap.");
return 0;
}
old = group->regions;
dm_bit_copy(new, old);
group->regions = new;
dm_bitset_destroy(old);
return 1;
}
static int _stats_create_group(struct dm_stats *dms, dm_bitset_t regions,
const char *alias, uint64_t *group_id)
{
@ -4202,6 +4171,37 @@ int dm_stats_get_group_descriptor(const struct dm_stats *dms,
}
#ifdef HAVE_LINUX_FIEMAP_H
/*
* Resize the group bitmap corresponding to group_id so that it can
* contain at least num_regions members.
*/
static int _stats_resize_group(struct dm_stats_group *group, int num_regions)
{
int last_bit = dm_bit_get_last(group->regions);
dm_bitset_t new, old;
if (last_bit >= num_regions) {
log_error("Cannot resize group bitmap to %d with bit %d set.",
num_regions, last_bit);
return 0;
}
log_very_verbose("Resizing group bitmap from %d to %d (last_bit: %d).",
group->regions[0], num_regions, last_bit);
new = dm_bitset_create(NULL, num_regions);
if (!new) {
log_error("Could not allocate memory for new group bitmap.");
return 0;
}
old = group->regions;
dm_bit_copy(new, old);
group->regions = new;
dm_bitset_destroy(old);
return 1;
}
/*
* Group a table of region_ids corresponding to the extents of a file.
*/