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VOP_STRATEGY(9)		 BSD 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 er-
     rno value.

SEE ALSO
     buf(9), vnode(9)

AUTHORS
     This manual page was written by Doug Rabson.

BSD			       February	2, 2014				   BSD

NAME | SYNOPSIS | DESCRIPTION | RETURN VALUES | SEE ALSO | AUTHORS

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