pmem2_config_set_required_store_granularity

set a granularity in pmem2_config structure.

Synopsis

#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);

Description

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:

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:

See Also

pmem2_config_new(3), libpmem2(7) and <http://pmem.io>

Referenced By

libpmem2(7), pmem2_map_new(3).

2020-10-28 PMDK - pmem2 API version 1.0 PMDK Programmer's Manual