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Man Pages


Manual Reference Pages  -  VN_ISDISK (9)

NAME

vn_isdisk - checks if a vnode represents a disk

CONTENTS

Synopsis
Description
Return Values
Authors

SYNOPSIS


.In sys/param.h
.In sys/vnode.h int vn_isdisk struct vnode *vp int *errp

DESCRIPTION

The vn_isdisk function checks to see if vp represents a disk. In order for vp to be a disk, it must be a character device, v_rdev must be valid, and the
.Vt cdevsw entry’s flags must have D_DISK set.

Its arguments are:
vp The vnode to check.
errp An integer pointer to store the error number in if the call fails.

RETURN VALUES

If the vnode represents a disk, 1 is returned; otherwise, 0 is returned and errp will contain the error number.

AUTHORS

This manual page was written by
.An Chad David Aq davidc@acns.ab.ca .
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