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libdm-stats: only return uint64_t when required

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Several interfaced in libdm-stats return a uint64_t when it is
only used to signal success/failure: change all these uses to
return a simple int instead.
This commit is contained in:
Bryn M. Reeves 2015-08-17 15:23:27 +01:00 committed by Alasdair G Kergon
parent 15e20bb5c0
commit 4227b2ebb4
2 changed files with 43 additions and 41 deletions
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44
libdm/libdevmapper.h
View File

@ -697,12 +697,14 @@ int dm_stats_set_program_id(struct dm_stats *dms, int allow_empty,
*
* All values are returned in units of 512b sectors.
*/
uint64_t dm_stats_get_region_start(const struct dm_stats *dms, uint64_t *start,
uint64_t region_id);
uint64_t dm_stats_get_region_len(const struct dm_stats *dms, uint64_t *len,
uint64_t region_id);
uint64_t dm_stats_get_region_area_len(const struct dm_stats *dms,
uint64_t *area_len, uint64_t region_id);
int dm_stats_get_region_start(const struct dm_stats *dms, uint64_t *start,
uint64_t region_id);
int dm_stats_get_region_len(const struct dm_stats *dms, uint64_t *len,
uint64_t region_id);
int dm_stats_get_region_area_len(const struct dm_stats *dms,
uint64_t *len, uint64_t region_id);
/*
* Area properties: start, offset and length.
@ -720,11 +722,11 @@ uint64_t dm_stats_get_region_area_len(const struct dm_stats *dms,
*
* All values are returned in units of 512b sectors.
*/
uint64_t dm_stats_get_area_start(const struct dm_stats *dms, uint64_t *start,
uint64_t region_id, uint64_t area_id);
int dm_stats_get_area_start(const struct dm_stats *dms, uint64_t *start,
uint64_t region_id, uint64_t area_id);
uint64_t dm_stats_get_area_offset(const struct dm_stats *dms, uint64_t *offset,
uint64_t region_id, uint64_t area_id);
int dm_stats_get_area_offset(const struct dm_stats *dms, uint64_t *offset,
uint64_t region_id, uint64_t area_id);
/*
* Retrieve program_id and aux_data for a specific region. Only valid
@ -864,14 +866,14 @@ uint64_t dm_stats_get_current_area(const struct dm_stats *dms);
*
* All values are returned in units of 512b sectors.
*/
uint64_t dm_stats_get_current_region_start(const struct dm_stats *dms,
uint64_t *start);
int dm_stats_get_current_region_start(const struct dm_stats *dms,
uint64_t *start);
uint64_t dm_stats_get_current_region_len(const struct dm_stats *dms,
uint64_t *len);
int dm_stats_get_current_region_len(const struct dm_stats *dms,
uint64_t *len);
uint64_t dm_stats_get_current_region_area_len(const struct dm_stats *dms,
uint64_t *area_len);
int dm_stats_get_current_region_area_len(const struct dm_stats *dms,
uint64_t *area_len);
/*
* Current area properties: start and length.
@ -881,13 +883,13 @@ uint64_t dm_stats_get_current_region_area_len(const struct dm_stats *dms,
*
* All values are returned in units of 512b sectors.
*/
uint64_t dm_stats_get_current_area_start(const struct dm_stats *dms,
uint64_t *start);
int dm_stats_get_current_area_start(const struct dm_stats *dms,
uint64_t *start);
uint64_t dm_stats_get_current_area_offset(const struct dm_stats *dms,
uint64_t *offset);
int dm_stats_get_current_area_offset(const struct dm_stats *dms,
uint64_t *offset);
uint64_t dm_stats_get_current_area_len(const struct dm_stats *dms,
int dm_stats_get_current_area_len(const struct dm_stats *dms,
uint64_t *start);
/*

40
libdm/libdm-stats.c
View File

@ -1280,7 +1280,7 @@ uint64_t dm_stats_get_current_area(const struct dm_stats *dms)
return dms->cur_area;
}
uint64_t dm_stats_get_region_start(const struct dm_stats *dms, uint64_t *start,
int dm_stats_get_region_start(const struct dm_stats *dms, uint64_t *start,
uint64_t region_id)
{
if (!dms || !dms->regions)
@ -1289,7 +1289,7 @@ uint64_t dm_stats_get_region_start(const struct dm_stats *dms, uint64_t *start,
return 1;
}
uint64_t dm_stats_get_region_len(const struct dm_stats *dms, uint64_t *len,
int dm_stats_get_region_len(const struct dm_stats *dms, uint64_t *len,
uint64_t region_id)
{
if (!dms || !dms->regions)
@ -1298,35 +1298,35 @@ uint64_t dm_stats_get_region_len(const struct dm_stats *dms, uint64_t *len,
return 1;
}
uint64_t dm_stats_get_region_area_len(const struct dm_stats *dms, uint64_t *step,
uint64_t region_id)
int dm_stats_get_region_area_len(const struct dm_stats *dms, uint64_t *len,
uint64_t region_id)
{
if (!dms || !dms->regions)
return_0;
*step = dms->regions[region_id].step;
*len = dms->regions[region_id].step;
return 1;
}
uint64_t dm_stats_get_current_region_start(const struct dm_stats *dms,
uint64_t *start)
int dm_stats_get_current_region_start(const struct dm_stats *dms,
uint64_t *start)
{
return dm_stats_get_region_start(dms, start, dms->cur_region);
}
uint64_t dm_stats_get_current_region_len(const struct dm_stats *dms,
uint64_t *len)
int dm_stats_get_current_region_len(const struct dm_stats *dms,
uint64_t *len)
{
return dm_stats_get_region_len(dms, len, dms->cur_region);
}
uint64_t dm_stats_get_current_region_area_len(const struct dm_stats *dms,
uint64_t *step)
int dm_stats_get_current_region_area_len(const struct dm_stats *dms,
uint64_t *step)
{
return dm_stats_get_region_area_len(dms, step, dms->cur_region);
}
uint64_t dm_stats_get_area_start(const struct dm_stats *dms, uint64_t *start,
uint64_t region_id, uint64_t area_id)
int dm_stats_get_area_start(const struct dm_stats *dms, uint64_t *start,
uint64_t region_id, uint64_t area_id)
{
struct dm_stats_region *region = &dms->regions[region_id];
if (!dms || !dms->regions)
@ -1335,8 +1335,8 @@ uint64_t dm_stats_get_area_start(const struct dm_stats *dms, uint64_t *start,
return 1;
}
uint64_t dm_stats_get_area_offset(const struct dm_stats *dms, uint64_t *offset,
uint64_t region_id, uint64_t area_id)
int dm_stats_get_area_offset(const struct dm_stats *dms, uint64_t *offset,
uint64_t region_id, uint64_t area_id)
{
if (!dms || !dms->regions)
return_0;
@ -1344,22 +1344,22 @@ uint64_t dm_stats_get_area_offset(const struct dm_stats *dms, uint64_t *offset,
return 1;
}
uint64_t dm_stats_get_current_area_start(const struct dm_stats *dms,
uint64_t *start)
int dm_stats_get_current_area_start(const struct dm_stats *dms,
uint64_t *start)
{
return dm_stats_get_area_start(dms, start,
dms->cur_region, dms->cur_area);
}
uint64_t dm_stats_get_current_area_offset(const struct dm_stats *dms,
int dm_stats_get_current_area_offset(const struct dm_stats *dms,
uint64_t *offset)
{
return dm_stats_get_area_offset(dms, offset,
dms->cur_region, dms->cur_area);
}
uint64_t dm_stats_get_current_area_len(const struct dm_stats *dms,
uint64_t *len)
int dm_stats_get_current_area_len(const struct dm_stats *dms,
uint64_t *len)
{
return dm_stats_get_region_area_len(dms, len, dms->cur_region);
}