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ddt: typedef ddt_type and ddt_class

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Mostly for consistency, so the reader is less likely to wonder why these
things look different.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Rob Norris <rob.norris@klarasystems.com>
Sponsored-by: Klara, Inc.
Sponsored-by: iXsystems, Inc.
Closes #15887
This commit is contained in:
Rob Norris
2023-07-03 12:32:53 +10:00
committed by Brian Behlendorf
parent 8e414fcdf4
commit c8f694fe39
6 changed files with 63 additions and 56 deletions
Download Patch File Download Diff File Expand all files Collapse all files
include/sys/ddt.h
+15 -8
View File
@@ -41,22 +41,29 @@ struct abd;
/*
* On-disk DDT formats, in the desired search order (newest version first).
*/
enum ddt_type {
typedef enum {
DDT_TYPE_ZAP = 0,
DDT_TYPES
};
} ddt_type_t;
_Static_assert(DDT_TYPES <= UINT8_MAX,
"ddt_type_t must fit in a uint8_t");
/* New and updated entries recieve this type, see ddt_sync_entry() */
#define DDT_TYPE_DEFAULT (DDT_TYPE_ZAP)
/*
* DDT classes, in the desired search order (highest replication level first).
*/
enum ddt_class {
typedef enum {
DDT_CLASS_DITTO = 0,
DDT_CLASS_DUPLICATE,
DDT_CLASS_UNIQUE,
DDT_CLASSES
};
} ddt_class_t;
#define DDT_TYPE_CURRENT 0
_Static_assert(DDT_CLASSES < UINT8_MAX,
"ddt_class_t must fit in a uint8_t");
/*
* On-disk ddt entry: key (name) and physical storage (value).
@@ -116,8 +123,8 @@ struct ddt_entry {
ddt_phys_t dde_phys[DDT_PHYS_TYPES];
zio_t *dde_lead_zio[DDT_PHYS_TYPES];
struct abd *dde_repair_abd;
enum ddt_type dde_type;
enum ddt_class dde_class;
ddt_type_t dde_type;
ddt_class_t dde_class;
uint8_t dde_loading;
uint8_t dde_loaded;
kcondvar_t dde_cv;
@@ -182,7 +189,7 @@ extern ddt_entry_t *ddt_lookup(ddt_t *ddt, const blkptr_t *bp, boolean_t add);
extern void ddt_prefetch(spa_t *spa, const blkptr_t *bp);
extern void ddt_remove(ddt_t *ddt, ddt_entry_t *dde);
extern boolean_t ddt_class_contains(spa_t *spa, enum ddt_class max_class,
extern boolean_t ddt_class_contains(spa_t *spa, ddt_class_t max_class,
const blkptr_t *bp);
extern ddt_entry_t *ddt_repair_start(ddt_t *ddt, const blkptr_t *bp);
include/sys/ddt_impl.h
+8 -8
View File
@@ -70,14 +70,14 @@ extern void ddt_key_fill(ddt_key_t *ddk, const blkptr_t *bp);
extern void ddt_stat_add(ddt_stat_t *dst, const ddt_stat_t *src, uint64_t neg);
extern void ddt_object_name(ddt_t *ddt, enum ddt_type type,
enum ddt_class clazz, char *name);
extern int ddt_object_walk(ddt_t *ddt, enum ddt_type type,
enum ddt_class clazz, uint64_t *walk, ddt_entry_t *dde);
extern int ddt_object_count(ddt_t *ddt, enum ddt_type type,
enum ddt_class clazz, uint64_t *count);
extern int ddt_object_info(ddt_t *ddt, enum ddt_type type,
enum ddt_class clazz, dmu_object_info_t *);
extern void ddt_object_name(ddt_t *ddt, ddt_type_t type, ddt_class_t clazz,
char *name);
extern int ddt_object_walk(ddt_t *ddt, ddt_type_t type, ddt_class_t clazz,
uint64_t *walk, ddt_entry_t *dde);
extern int ddt_object_count(ddt_t *ddt, ddt_type_t type, ddt_class_t clazz,
uint64_t *count);
extern int ddt_object_info(ddt_t *ddt, ddt_type_t type, ddt_class_t clazz,
dmu_object_info_t *);
#ifdef __cplusplus
}