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.

Debian                                          February 2, 2014                                 VOP_STRATEGY(9)