Differential D11124 Diff 43797 sys/cddl/contrib/opensolaris/uts/common/fs/zfs/sys/spa.h

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	* overhead, three DVAs per bp, plus one more bit in case we do anything			* overhead, three DVAs per bp, plus one more bit in case we do anything
	* else that expands the ASIZE.			* else that expands the ASIZE.
	*/			*/
	#define SPA_LSIZEBITS 16 /* LSIZE up to 32M (2^16 * 512) */			#define SPA_LSIZEBITS 16 /* LSIZE up to 32M (2^16 * 512) */
	#define SPA_PSIZEBITS 16 /* PSIZE up to 32M (2^16 * 512) */			#define SPA_PSIZEBITS 16 /* PSIZE up to 32M (2^16 * 512) */
	#define SPA_ASIZEBITS 24 /* ASIZE up to 64 times larger */			#define SPA_ASIZEBITS 24 /* ASIZE up to 64 times larger */

	#define SPA_COMPRESSBITS 7			#define SPA_COMPRESSBITS 7
				#define SPA_COMPRESSMASK ((1U<<SPA_COMPRESSBITS)-1)

	/*			/*
	* All SPA data is represented by 128-bit data virtual addresses (DVAs).			* All SPA data is represented by 128-bit data virtual addresses (DVAs).
	* The members of the dva_t should be considered opaque outside the SPA.			* The members of the dva_t should be considered opaque outside the SPA.
	*/			*/
	typedef struct dva {			typedef struct dva {
	uint64_t dva_word[2];			uint64_t dva_word[2];
	} dva_t;			} dva_t;
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