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freebsd/share/man/man9/VOP_STRATEGY.9
Hiten Pandya 0640e9e01b Some mdoc(7) fixes:
Nuke incorrect usage of .Ar; replace it with .Vt, .Va or .Fa appropriately.
The .Ar mdoc(7) specifier should only be used when displaying command line
arguments.

Approved by:	des (mentor)
2003-05-31 14:07:25 +00:00

63 lines
2.0 KiB
Groff

.\" -*- nroff -*-
.\"
.\" Copyright (c) 1996 Doug Rabson
.\"
.\" All rights reserved.
.\"
.\" This program is free software.
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.\" notice, this list of conditions and the following disclaimer.
.\" 2. Redistributions in binary form must reproduce the above copyright
.\" notice, this list of conditions and the following disclaimer in the
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.\" THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY EXPRESS OR
.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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.\" IN NO EVENT SHALL THE DEVELOPERS BE LIABLE FOR ANY DIRECT, INDIRECT,
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.\" $FreeBSD$
.\"
.Dd July 24, 1996
.Os
.Dt VOP_STRATEGY 9
.Sh NAME
.Nm VOP_STRATEGY
.Nd read or write a file system buffer
.Sh SYNOPSIS
.In sys/param.h
.In sys/vnode.h
.Ft int
.Fn VOP_STRATEGY "struct vnode *vp" "struct buf *bp"
.Sh DESCRIPTION
The arguments are:
.Bl -tag -width 2n
.It Fa vp
the vnode that the buffer is for
.It Fa bp
the buffer to be read or written
.El
.Pp
This call either reads or writes data from a file, depending on the value of
.Fa bp->b_io.bio_cmd .
.Pp
The call may block.
.Sh RETURN VALUES
Zero is returned on success, otherwise an error is returned.
.Sh SEE ALSO
.\" .Xr buf 9 ,
.Xr vnode 9
.Sh AUTHORS
This man page was written by
.An Doug Rabson .