pmem2_config_set_required_store_granularity3
Set a granularity in pmem2_config structure.
Usage
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#include <libpmem2.h>enum pmem2_granularity {PMEM2_GRANULARITY_BYTE,PMEM2_GRANULARITY_CACHE_LINE,PMEM2_GRANULARITY_PAGE,};int pmem2_config_set_required_store_granularity(struct pmem2_config *cfg,enum pmem2_granularity g);
Overview
The pmem2_config_set_required_store_granularity() sets a maximum permitted granularity g requested by user in the pmem2_config structure.
Granularity must be one of the following values:
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A description of the granularity concept can be found in libpmem2(7) manpage.
Return value
The pmem2_config_set_required_store_granularity() function returns 0 on success or a negative error code on failure.
Errors
The pmem2_config_set_required_store_granularity() can fail with the following errors:
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PMEM2_E_GRANULARITY_NOT_SUPPORTED- granularity g is not a valid value.
Releases
3 releases since Debian 11 (Bullseye); the text changed 2 times.