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ddt: remove DDE_GET_NDVAS macro

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It was a weird and confusing name, because it wasn't actually returning
the number of DVAs in the entry (as in, in the value/phys part) but the
maximum number of possible DVAs in a BP generated from the entry, based
on the encrypt bit in the key. This is unlike the similarly named
BP_GET_NDVAS, which really does return the number of DVAs.

Since its only used in this one place, and for a specific purpose, it
seemed more sensible to just write it in-place and remove the name.

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 15:25:06 +10:00
committed by Brian Behlendorf
parent 5973854153
commit 909006049f
2 changed files with 3 additions and 4 deletions
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include/sys/ddt.h
-3
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@@ -89,9 +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 DDE_GET_NDVAS(dde) (DDK_GET_CRYPT(&dde->dde_key) \
? SPA_DVAS_PER_BP - 1 : SPA_DVAS_PER_BP)
typedef struct ddt_phys {
dva_t ddp_dva[SPA_DVAS_PER_BP];
uint64_t ddp_refcnt;