.TH "nvme_identify_ns_granularity" 9 "nvme_identify_ns_granularity" "August 2024" "libnvme API manual" LINUX .SH NAME nvme_identify_ns_granularity \- Retrieves namespace granularity identification .SH SYNOPSIS .B "int" nvme_identify_ns_granularity .BI "(int fd " "," .BI "struct nvme_id_ns_granularity_list *gr_list " ");" .SH ARGUMENTS .IP "fd" 12 File descriptor of nvme device .IP "gr_list" 12 User space destination address to transfer the data .SH "DESCRIPTION" If the controller supports reporting of Namespace Granularity, then a Namespace Granularity List is returned to the host for up to sixteen namespace granularity descriptors See \fIstruct nvme_id_ns_granularity_list\fP for the definition of the returned structure. .SH "RETURN" The nvme command status if a response was received (see \fIenum nvme_status_field\fP) or -1 with errno set otherwise.