Cross Reference: /src/usr.sbin/fstyp/hammer

Lines Matching refs:volume
69  * Per-volume storage limit: 52 bits		4096 TB
87 #define HAMMER_OFF_VOL_MASK	0x0FF0000000000000ULL /* volume portion */
109  * Reserved space for (future) header junk after the volume header.
120  * and volume number in addition to the offset.  Most offsets are required
149  * zone 1 (z,v,o):	raw volume relative (offset 0 is the volume header)
151  * zone 3 (z,o):	undo/redo fifo	- fixed zone-2 offset array in volume header
157  * zone 15:		unavailable, usually the offset is beyond volume size
160  *	     Maximum HAMMER filesystem capacity from volume aspect
161  *	     2^8(max volumes) * 2^52(max volume size) = 2^60 = 1EB (long offset)
173  * volume#0 layout
175  *	| volume header (1928 bytes)
203  * volume#N layout (0<N<256)
205  *	| volume header (1928 bytes)
216  *	| ... (unused until volume#(N-1) runs out of space)
383  * zone:1	raw volume (no blockmap)
385  * zone:3	undomap    (direct layer2 array in volume header)
412  * The freemap uses the upper 8 bits of layer-1 to identify the volume,
511  * HAMMER UNDO parameters.  The UNDO fifo is mapped directly in the volume
549  * undo sequence space without having to rely on information from the volume
555  * (1) The volume header no longer needs to be synchronized for most
688  * Volume header types
694  * HAMMER Volume header
697  * device contains a volume header followed by however many buffers fit
698  * into the volume.
700  * One of the volumes making up a HAMMER filesystem is the root volume.
701  * The root volume is always volume #0 which is the first block device path
702  * specified by newfs_hammer(8).  All HAMMER volumes have a volume header,
703  * however the root volume may be the only volume that has valid values for
710  *	vol_buf_beg - offset of the first buffer in volume
711  *	vol_buf_end - offset of volume EOF (on buffer boundary)
721  *	volume to generate an actual I/O offset within the block device.
733  * initialize or add a new HAMMER volume.
751 	int64_t vol_buf_beg;	/* offset of the first buffer in volume */
752 	int64_t vol_buf_end;	/* offset of volume EOF (on buffer boundary) */
759 	int32_t vol_no;		/* volume number within filesystem */
764 	uint32_t vol_flags;	/* volume flags */
765 	uint32_t vol_rootvol;	/* the root volume number (must be 0) */
771 	 * volume making up a HAMMER filesystem, but only the root volume
799 #define HAMMER_VOLF_NEEDFLUSH		0x0004	/* volume needs flush */
823 #define hammer_xlate_to_phys(volume, zone2_offset)	\
824 	((volume)->vol_buf_beg + HAMMER_OFF_SHORT_ENCODE(zone2_offset))
832 #define hammer_xlate_to_undo(volume
833 	((volume)->vol0_undo_array[HAMMER_UNDO_INDEX(zone3_offset)] +	\
837  * Effective per-volume filesystem capacity including big-blocks for layer1/2
839 #define HAMMER_VOL_BUF_SIZE(volume)			\
840 	((volume)->vol_buf_end - (volume)->vol_buf_beg)
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