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libdm: allow deleting regions with dm_stats_delete_group()

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Add a flag to dm_stats_delete_group() to allow optional deletion
of all regions belonging to the group being removed.
This commit is contained in:
Bryn M. Reeves
2016-07-01 13:14:41 +01:00
parent f1f2df7bc0
commit cda1622fef
3 changed files with 30 additions and 5 deletions
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7
libdm/libdevmapper.h
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@ -1205,9 +1205,12 @@ int dm_stats_create_group(struct dm_stats *dms, const char *group,
const char *alias, uint64_t *group_id);
/*
* Remove the specified group_id.
* Remove the specified group_id. If the remove argument is zero the
* group will be removed but the regions that it contained will remain.
* If remove is non-zero then all regions that belong to the group will
* also be removed.
*/
int dm_stats_delete_group(struct dm_stats *dms, uint64_t group_id);
int dm_stats_delete_group(struct dm_stats *dms, uint64_t group_id, int remove);
/*
* Set an alias for this group or region. The alias will be returned