/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */#ifndef _BCACHE_FEATURES_H#define _BCACHE_FEATURES_H #include <linux/kernel.h>#include <linux/types.h> #include "bcache_ondisk.h" #define BCH_FEATURE_COMPAT		0#define BCH_FEATURE_RO_COMPAT		1#define BCH_FEATURE_INCOMPAT		2#define BCH_FEATURE_TYPE_MASK		0x03 /* Feature set definition *//* Incompat feature set *//* 32bit bucket size, obsoleted */#define BCH_FEATURE_INCOMPAT_OBSO_LARGE_BUCKET		0x0001/* real bucket size is (1 << bucket_size) */#define BCH_FEATURE_INCOMPAT_LOG_LARGE_BUCKET_SIZE	0x0002 #define BCH_FEATURE_COMPAT_SUPP		0#define BCH_FEATURE_RO_COMPAT_SUPP	0#define BCH_FEATURE_INCOMPAT_SUPP	(BCH_FEATURE_INCOMPAT_OBSO_LARGE_BUCKET| \					 BCH_FEATURE_INCOMPAT_LOG_LARGE_BUCKET_SIZE) #define BCH_HAS_COMPAT_FEATURE(sb, mask) \		((sb)->feature_compat & (mask))#define BCH_HAS_RO_COMPAT_FEATURE(sb, mask) \		((sb)->feature_ro_compat & (mask))#define BCH_HAS_INCOMPAT_FEATURE(sb, mask) \		((sb)->feature_incompat & (mask)) #define BCH_FEATURE_COMPAT_FUNCS(name, flagname) \static inline int bch_has_feature_##name(struct cache_sb *sb) \{ \	if (sb->version < BCACHE_SB_VERSION_CDEV_WITH_FEATURES) \		return 0; \	return (((sb)->feature_compat & \		BCH##_FEATURE_COMPAT_##flagname) != 0); \} \static inline void bch_set_feature_##name(struct cache_sb *sb) \{ \	(sb)->feature_compat |= \		BCH##_FEATURE_COMPAT_##flagname; \} \static inline void bch_clear_feature_##name(struct cache_sb *sb) \{ \	(sb)->feature_compat &= \		~BCH##_FEATURE_COMPAT_##flagname; \} #define BCH_FEATURE_RO_COMPAT_FUNCS(name, flagname) \static inline int bch_has_feature_##name(struct cache_sb *sb) \{ \	if (sb->version < BCACHE_SB_VERSION_CDEV_WITH_FEATURES) \		return 0; \	return (((sb)->feature_ro_compat & \		BCH##_FEATURE_RO_COMPAT_##flagname) != 0); \} \static inline void bch_set_feature_##name(struct cache_sb *sb) \{ \	(sb)->feature_ro_compat |= \		BCH##_FEATURE_RO_COMPAT_##flagname; \} \static inline void bch_clear_feature_##name(struct cache_sb *sb) \{ \	(sb)->feature_ro_compat &= \		~BCH##_FEATURE_RO_COMPAT_##flagname; \} #define BCH_FEATURE_INCOMPAT_FUNCS(name, flagname) \static inline int bch_has_feature_##name(struct cache_sb *sb) \{ \	if (sb->version < BCACHE_SB_VERSION_CDEV_WITH_FEATURES) \		return 0; \	return (((sb)->feature_incompat & \		BCH##_FEATURE_INCOMPAT_##flagname) != 0); \} \static inline void bch_set_feature_##name(struct cache_sb *sb) \{ \	(sb)->feature_incompat |= \		BCH##_FEATURE_INCOMPAT_##flagname; \} \static inline void bch_clear_feature_##name(struct cache_sb *sb) \{ \	(sb)->feature_incompat &= \		~BCH##_FEATURE_INCOMPAT_##flagname; \} BCH_FEATURE_INCOMPAT_FUNCS(obso_large_bucket, OBSO_LARGE_BUCKET);BCH_FEATURE_INCOMPAT_FUNCS(large_bucket, LOG_LARGE_BUCKET_SIZE); static inline bool bch_has_unknown_compat_features(struct cache_sb *sb){	return ((sb->feature_compat & ~BCH_FEATURE_COMPAT_SUPP) != 0);} static inline bool bch_has_unknown_ro_compat_features(struct cache_sb *sb){	return ((sb->feature_ro_compat & ~BCH_FEATURE_RO_COMPAT_SUPP) != 0);} static inline bool bch_has_unknown_incompat_features(struct cache_sb *sb){	return ((sb->feature_incompat & ~BCH_FEATURE_INCOMPAT_SUPP) != 0);} int bch_print_cache_set_feature_compat(struct cache_set *c, char *buf, int size);int bch_print_cache_set_feature_ro_compat(struct cache_set *c, char *buf, int size);int bch_print_cache_set_feature_incompat(struct cache_set *c, char *buf, int size); #endif