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.TH "nvme_get_nsid" 9 "nvme_get_nsid" "January 2023" "libnvme API manual" LINUX
.SH NAME
nvme_get_nsid \- Retrieve the NSID from a namespace file descriptor
.SH SYNOPSIS
.B "int" nvme_get_nsid
.BI "(int fd " ","
.BI "__u32 *nsid " ");"
.SH ARGUMENTS
.IP "fd" 12
File descriptor of nvme namespace
.IP "nsid" 12
User pointer to namespace id
.SH "DESCRIPTION"
This should only be sent to namespace handles, not to controllers. The
kernel's interface returns the nsid as the return value. This is unfortunate
for many architectures that are incapable of allowing distinguishing a
namespace id > 0x80000000 from a negative error number.
.SH "RETURN"
0 if \fInsid\fP was set successfully or -1 with errno set otherwise.
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