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ddt: rework ops interface in terms of keys and values

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Store objects store keys and values, so have them take those types and
nothing more. This way, they don't need to be concerned about the "kind"
of entry being operated on; the dispatch layer can take care of the
appropriate conversions.

This adds a "contains" op to see if a particular entry exists without
loading it, which makes a couple of things easier to do; in particular,
it allows us to avoid an allocation in ddt_class_contains().

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 23:28:46 +10:00
committed by Brian Behlendorf
parent 5ee0f9c649
commit 9029278dde
4 changed files with 78 additions and 52 deletions
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module/Makefile.bsd
+1
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@@ -421,6 +421,7 @@ CFLAGS.gcc+= -Wno-pointer-to-int-cast
CFLAGS.abd.c= -Wno-cast-qual
CFLAGS.ddt.c= -Wno-cast-qual
CFLAGS.ddt_zap.c= -Wno-cast-qual
CFLAGS.dmu.c= -Wno-cast-qual
CFLAGS.dmu_traverse.c= -Wno-cast-qual
CFLAGS.dnode.c= ${NO_WUNUSED_BUT_SET_VARIABLE}