Lines Matching +full:only +full:- +full:1 +full:- +full:8 +full:v

1 /* SPDX-License-Identifier: GPL-2.0 */
15  * merely adjust ptr->offset to point to the start of the data that is currently
20  * Thus an extent that is not checksummed or compressed will consist only of a
24  * When an extent is checksummed or compressed, it's not possible to read only
26  * originally written, and then return only the part of the extent that is
30  * to store the size of the originally allocated space - this is the
33  * pointer, we keep a second smaller offset field - "offset into the original
40  * same checksum type and compression format - however, when copygc runs later (or
42  * going to rewrite all the pointers at once - one of the replicas may be in a
47  * Thus it will only move a subset of the pointers (or in the case of
50  * write only the currently live portion (or copygc would not be able to reduce
51  * fragmentation!) - which necessitates a different bch_extent_crc format for
62  * bch_extent_crc32	- 0b1
63  * bch_extent_ptr	- 0b10
64  * bch_extent_crc64	- 0b100
78 	x(crc32,		1)		\
91 /* Compressed/uncompressed size are stored biased by 1: */
98 				_unused:1,
106 				_unused:1,
112 } __packed __aligned(8);
114 #define CRC32_SIZE_MAX		(1U << 7)
138 } __packed __aligned(8);
140 #define CRC64_SIZE_MAX		(1U << 9)
141 #define CRC64_NONCE_MAX		((1U << 10) - 1)
162 } __packed __aligned(8);
164 #define CRC128_SIZE_MAX		(1U << 13)
165 #define CRC128_NONCE_MAX	((1U << 13) - 1)
168  * @reservation - pointer hasn't been written to, just reserved
172 	__u64			type:1,
173 				cached:1,
174 				unused:1,
175 				unwritten:1,
176 				offset:44, /* 8 petabytes */
177 				dev:8,
178 				gen:8;
180 	__u64			gen:8,
181 				dev:8,
183 				unwritten:1,
184 				unused:1,
185 				cached:1,
186 				type:1;
188 } __packed __aligned(8);
193 				block:8,
199 				block:8,
225 	struct bch_val		v;  member
229 } __packed __aligned(8);
232 	struct bch_val		v;  member
241 } __packed __aligned(8);
243 LE16_BITMASK(BTREE_PTR_RANGE_UPDATED,	struct bch_btree_ptr_v2, flags, 0, 1);
246 	struct bch_val		v;  member
250 } __packed __aligned(8);
259 	(1 + BKEY_EXTENT_PTR_U64s_MAX * (BCH_REPLICAS_MAX + 1))
272 	struct bch_val		v;  member
277 } __packed __aligned(8);
280 	struct bch_val		v;  member