VOP_STRATEGY(9) | FreeBSD Kernel Developer's Manual | VOP_STRATEGY(9) |
NAME
VOP_STRATEGY — read or write a file system bufferSYNOPSIS
#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
vnode(9)AUTHORS
This manual page was written by .July 24, 1996 | FreeBSD |