18 lines
757 B
Groff
18 lines
757 B
Groff
.TH "nvme_dsm" 9 "nvme_dsm" "January 2023" "libnvme API manual" LINUX
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.SH NAME
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nvme_dsm \- Send an nvme data set management command
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.SH SYNOPSIS
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.B "int" nvme_dsm
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.BI "(struct nvme_dsm_args *args " ");"
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.SH ARGUMENTS
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.IP "args" 12
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\fIstruct nvme_dsm_args\fP argument structure
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.SH "DESCRIPTION"
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The Dataset Management command is used by the host to indicate attributes
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for ranges of logical blocks. This includes attributes like frequency that
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data is read or written, access size, and other information that may be used
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to optimize performance and reliability, and may be used to
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deallocate/unmap/trim those logical blocks.
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.SH "RETURN"
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The nvme command status if a response was received (see
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\fIenum nvme_status_field\fP) or -1 with errno set otherwise.
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