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| VOP_STRATEGY(9) | FreeBSD Kernel Developer's Manual | VOP_STRATEGY(9) |
NAME
VOP_STRATEGY —
read or write a file system buffer
SYNOPSIS
#include <sys/param.h>
#include <sys/vnode.h>
int
VOP_STRATEGY(struct
vnode *vp, struct buf
*bp);
DESCRIPTION
The arguments are:- vp
- The vnode that the buffer is for.
- bp
- The buffer to be read or written.
This call either reads or writes data from a file, depending on the value of bp->b_io.bio_cmd.
The call may block.
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.SEE ALSO
buf(9), vnode(9)AUTHORS
This manual page was written by Doug Rabson.| February 2, 2014 | FreeBSD 13.1-RELEASE |
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