1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
13 { return (k->field >> offset) & ~(~0ULL << size); }		\
17 	k->field &= ~(~(~0ULL << size) << offset);		\
18 	k->field |= (v & ~(~0ULL << size)) << offset;		\
21 /* Btree keys - all units are in sectors */
34 { return (k->ptr[i] >> offset) & ~(~0ULL << size); }			\
38 	k->ptr[i] &= ~(~(~0ULL << size) << offset);			\
39 	k->ptr[i] |= (v & ~(~0ULL << size)) << offset;			\
58 	return k->low;  in KEY_OFFSET()
63 	k->low = v;  in SET_KEY_OFFSET()
68  * searches - it told you where a key started. It's not used anymore,
83 #define KEY_START(k)			(KEY_OFFSET(k) - KEY_SIZE(k))
92 #define PTR_CHECK_DEV			((1 << PTR_DEV_BITS) - 1)
139 /* Version 0: Cache device
140  * Version 1: Backing device
141  * Version 2: Seed pointer into btree node checksum
142  * Version 3: Cache device with new UUID format
143  * Version 4: Backing device with data offset
166 	__le64			version;  member
189 		__le64		nbuckets;	/* device size */
202 		 * block_size from the cache device section is still used by
221  * This is for in-memory bcache super block.
228 	__u64			version;  member
249 		__u64		nbuckets;	/* device size */
261 		 * block_size from the cache device section is still used by
280 	return sb->version == BCACHE_SB_VERSION_BDEV  in SB_IS_BDEV()
281 		|| sb->version == BCACHE_SB_VERSION_BDEV_WITH_OFFSET  in SB_IS_BDEV()
282 		|| sb->version == BCACHE_SB_VERSION_BDEV_WITH_FEATURES;  in SB_IS_BDEV()
316 	return sb->set_magic ^ JSET_MAGIC;  in jset_magic()
321 	return sb->set_magic ^ PSET_MAGIC;  in pset_magic()
326 	return sb->set_magic ^ BSET_MAGIC;  in bset_magic()
339  * version is for on disk format changes.
350 	__u32			version;  member
374 	__u32			version;  member
385 /* UUIDS - per backing device/flash only volume metadata */
409 /* Version 1: Seed pointer into btree node checksum
424 	__u32			version;  member
435 /* UUIDS - per backing device/flash only volume metadata */