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ddt: move entry compression into ddt_zap

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I think I can say with some confidence that anyone making a new storage
type in 2023 is doing their own thing with compression, not this.

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
2023-06-30 12:48:45 +10:00
committed by Brian Behlendorf
parent d3bafe4554
commit 86e91c030c
3 changed files with 50 additions and 53 deletions
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include/sys/ddt.h
-8
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@@ -58,9 +58,6 @@ enum ddt_class {
#define DDT_TYPE_CURRENT 0
#define DDT_COMPRESS_BYTEORDER_MASK 0x80
#define DDT_COMPRESS_FUNCTION_MASK 0x7f
/*
* On-disk ddt entry: key (name) and physical storage (value).
*/
@@ -92,8 +89,6 @@ typedef struct ddt_key {
#define DDK_GET_CRYPT(ddk) BF64_GET((ddk)->ddk_prop, 39, 1)
#define DDK_SET_CRYPT(ddk, x) BF64_SET((ddk)->ddk_prop, 39, 1, x)
#define DDT_KEY_WORDS (sizeof (ddt_key_t) / sizeof (uint64_t))
#define DDE_GET_NDVAS(dde) (DDK_GET_CRYPT(&dde->dde_key) \
? SPA_DVAS_PER_BP - 1 : SPA_DVAS_PER_BP)
@@ -220,9 +215,6 @@ extern void ddt_get_dedup_stats(spa_t *spa, ddt_stat_t *dds_total);
extern uint64_t ddt_get_dedup_dspace(spa_t *spa);
extern uint64_t ddt_get_pool_dedup_ratio(spa_t *spa);
extern size_t ddt_compress(void *src, uchar_t *dst, size_t s_len, size_t d_len);
extern void ddt_decompress(uchar_t *src, void *dst, size_t s_len, size_t d_len);
extern ddt_t *ddt_select(spa_t *spa, const blkptr_t *bp);
extern void ddt_enter(ddt_t *ddt);
extern void ddt_exit(ddt_t *ddt);