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.TH "nvme_identify_ns_granularity" 9 "nvme_identify_ns_granularity" "July 2022" "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.
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