bioinit man page on SmartOS

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BIOINIT(9F)							   BIOINIT(9F)

NAME
       bioinit - initialize a buffer structure

SYNOPSIS
       #include <sys/ddi.h>
       #include <sys/sunddi.h>

       void bioinit(struct buf *bp);

INTERFACE LEVEL
       Solaris DDI specific (Solaris DDI).

PARAMETERS
       bp
	     Pointer to the buffer header structure.

DESCRIPTION
       The bioinit() function initializes a buf(9S) structure. A buffer struc‐
       ture contains state information which has to be initialized if the mem‐
       ory for the buffer was allocated using kmem_alloc(9F). This is not nec‐
       essary for a buffer allocated using getrbuf(9F) because getrbuf()  will
       call bioinit() directly.

CONTEXT
       The bioinit() function can be called from any context.

EXAMPLES
       Example 1 Using bioinit()

	 struct buf *bp = kmem_alloc(biosize(), KM_SLEEP);
	 bioinit(bp);
	 /* use buffer */

SEE ALSO
       biofini(9F),  bioreset(9F),  biosize(9F),  getrbuf(9F), kmem_alloc(9F),
       buf(9S)

       Writing Device Drivers

				 Nov 20, 1996			   BIOINIT(9F)
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