Differential D21165 Diff 60492 sys/geom/cache/g_cache.h

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sys/geom/cache/g_cache.h

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	*			*
	* $FreeBSD$			* $FreeBSD$
	*/			*/

	#ifndef _G_CACHE_H_			#ifndef _G_CACHE_H_
	#define _G_CACHE_H_			#define _G_CACHE_H_

	#include <sys/endian.h>			#include <sys/endian.h>
				#ifdef _KERNEL
				#include <geom/geom_int.h>
				#endif

	#define G_CACHE_CLASS_NAME "CACHE"			#define G_CACHE_CLASS_NAME "CACHE"
	#define G_CACHE_MAGIC "GEOM::CACHE"			#define G_CACHE_MAGIC "GEOM::CACHE"
	#define G_CACHE_VERSION 1			#define G_CACHE_VERSION 1

	#ifdef _KERNEL			#ifdef _KERNEL
	#define G_CACHE_TYPE_MANUAL 0			#define G_CACHE_TYPE_MANUAL 0
	#define G_CACHE_TYPE_AUTOMATIC 1			#define G_CACHE_TYPE_AUTOMATIC 1

	#define G_CACHE_DEBUG(lvl, ...) do { \			#define G_CACHE_DEBUG(lvl, ...) \
	if (g_cache_debug >= (lvl)) { \			_GEOM_DEBUG("GEOM_CACHE", g_cache_debug, (lvl), NULL, __VA_ARGS__)
	printf("GEOM_CACHE"); \			#define G_CACHE_LOGREQ(bp, ...) \
	if (g_cache_debug > 0) \			_GEOM_DEBUG("GEOM_CACHE", g_cache_debug, 2, (bp), __VA_ARGS__)
	printf("[%u]", lvl); \
	printf(": "); \
	printf(__VA_ARGS__); \
	printf("\n"); \
	} \
	} while (0)
	#define G_CACHE_LOGREQ(bp, ...) do { \
	if (g_cache_debug >= 2) { \
	printf("GEOM_CACHE[2]: "); \
	printf(__VA_ARGS__); \
	printf(" "); \
	g_print_bio(bp); \
	printf("\n"); \
	} \
	} while (0)

	#define G_CACHE_BUCKETS (1 << 3)			#define G_CACHE_BUCKETS (1 << 3)
	#define G_CACHE_BUCKET(bno) ((bno) & (G_CACHE_BUCKETS - 1))			#define G_CACHE_BUCKET(bno) ((bno) & (G_CACHE_BUCKETS - 1))

	struct g_cache_softc {			struct g_cache_softc {
	struct g_geom *sc_geom;			struct g_geom *sc_geom;
	int sc_type;			int sc_type;
	u_int sc_bshift;			u_int sc_bshift;
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