VOP_STRATEGY man page on PC-BSD

VOP_STRATEGY man page on PC-BSD

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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
     errno value.

SEE ALSO
     vnode(9)

AUTHORS
     This manual page was written by Doug Rabson.

BSD				 July 24, 1996				   BSD

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