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diff --git a/share/man/man9/vn_isdisk.9 b/share/man/man9/vn_isdisk.9 new file mode 100644 index 0000000..76cdf96 --- /dev/null +++ b/share/man/man9/vn_isdisk.9 @@ -0,0 +1,73 @@ +.\" +.\" Copyright (C) 2001 Chad David <davidc@acns.ab.ca>. All rights reserved. +.\" +.\" Redistribution and use in source and binary forms, with or without +.\" modification, are permitted provided that the following conditions +.\" are met: +.\" 1. Redistributions of source code must retain the above copyright +.\" notice(s), this list of conditions and the following disclaimer as +.\" the first lines of this file unmodified other than the possible +.\" addition of one or more copyright notices. +.\" 2. Redistributions in binary form must reproduce the above copyright +.\" notice(s), this list of conditions and the following disclaimer in the +.\" documentation and/or other materials provided with the distribution. +.\" +.\" THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER(S) ``AS IS'' AND ANY +.\" EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED +.\" WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE +.\" DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) BE LIABLE FOR ANY +.\" DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES +.\" (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR +.\" SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER +.\" CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT +.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY +.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH +.\" DAMAGE. +.\" +.\" $FreeBSD$ +.\" +.Dd July 9, 2001 +.Dt VN_ISDISK 9 +.Os +.Sh NAME +.Nm vn_isdisk +.Nd "checks if a vnode represents a disk" +.Sh SYNOPSIS +.In sys/param.h +.In sys/vnode.h +.Ft int +.Fn vn_isdisk "struct vnode *vp" "int *errp" +.Sh DESCRIPTION +The +.Fn vn_isdisk +function checks to see if +.Fa vp +represents a disk. +In order for +.Fa vp +to be a disk, +it must be a character device, +.Va v_rdev +must be valid, and the +.Vt cdevsw +entry's +.Va flags +must have +.Dv D_DISK +set. +.Pp +Its arguments are: +.Bl -tag -width ".Fa errp" +.It Fa vp +The vnode to check. +.It Fa errp +An integer pointer to store the error number in if the call fails. +.El +.Sh RETURN VALUES +If the vnode represents a disk, 1 is returned; otherwise, 0 +is returned and +.Fa errp +will contain the error number. +.Sh AUTHORS +This manual page was written by +.An Chad David Aq Mt davidc@acns.ab.ca . |