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diff --git a/share/man/man9/VOP_STRATEGY.9 b/share/man/man9/VOP_STRATEGY.9 new file mode 100644 index 0000000..1265fe5 --- /dev/null +++ b/share/man/man9/VOP_STRATEGY.9 @@ -0,0 +1,64 @@ +.\" -*- nroff -*- +.\" +.\" Copyright (c) 1996 Doug Rabson +.\" +.\" All rights reserved. +.\" +.\" This program is free software. +.\" +.\" 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, 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 +.\" documentation and/or other materials provided with the distribution. +.\" +.\" THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``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 DEVELOPERS 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 February 2, 2014 +.Dt VOP_STRATEGY 9 +.Os +.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 +Always zero. +Errors should be signalled by setting BIO_ERROR on b_ioflags field in struct buf, +and setting b_error to the appropriate errno value. +.Sh SEE ALSO +.Xr buf 9 , +.Xr vnode 9 +.Sh AUTHORS +This manual page was written by +.An Doug Rabson . |