sys/src/iosubrams.c File Reference

QIO subroutines. More...

#include <linux/kernel.h>
#include <asmlink.h>
#include <linux/smp.h>
#include <linux/sched.h>
#include <asm/hw_irq.h>
#include <asm/current.h>
#include <system_data_cells.h>
#include <internals.h>
#include <queue.h>
#include <ddtdef.h>
#include <ucbdef.h>
#include <irpdef.h>
#include <ipldef.h>
#include <wcbdef.h>
#include <ssdef.h>

Go to the source code of this file.

Functions
int	ioc_std_mapvblk (unsigned int vbn, unsigned int numbytes, struct _wcb *wcb, struct _irp *irp, struct _ucb *ucb, unsigned int *lbn_p, unsigned *notmapped_p, struct _ucb **new_ucb_p)
	map virtual block to logical block - see 5.2 21.8.2

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Detailed Description

QIO subroutines.

Author:

Roar Thronæs

Definition in file iosubrams.c.

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Function Documentation

int ioc_std_mapvblk	(	unsigned int	vbn,
		unsigned int	numbytes,
		struct _wcb *	wcb,
		struct _irp *	irp,
		struct _ucb *	ucb,
		unsigned int *	lbn_p,
		unsigned *	notmapped_p,
		struct _ucb **	new_ucb_p
	)

map virtual block to logical block - see 5.2 21.8.2

Parameters:

	vbn	virtual block number
	numbytes	yet unused
	wcb	window control block
	irp	yet unused
	ucb	yet unused
	lbn_p	return logical block value
	notmapped_p	yet unused
	new_ucb_p	yet unused

Definition at line 39 of file iosubrams.c.

References SS__NORMAL, _wcb::wcb_l_p1_lbn, _wcb::wcb_l_stvbn, and _wcb::wcb_l_wlfl.