/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _BCACHEFS_LRU_FORMAT_H #define _BCACHEFS_LRU_FORMAT_H struct bch_lru { struct bch_val v; __le64 idx; } __packed __aligned(8); #define BCH_LRU_TYPES() \ x(read) \ x(fragmentation) \ x(stripes) enum bch_lru_type { #define x(n) BCH_LRU_##n, BCH_LRU_TYPES() #undef x }; #define BCH_LRU_BUCKET_FRAGMENTATION ((1U << 16) - 1) #define BCH_LRU_STRIPE_FRAGMENTATION ((1U << 16) - 2) #define LRU_TIME_BITS 48 #define LRU_TIME_MAX ((1ULL << LRU_TIME_BITS) - 1) #endif /* _BCACHEFS_LRU_FORMAT_H */