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Diffstat (limited to 'module/zfs/ddt.c')
-rw-r--r--module/zfs/ddt.c27
1 files changed, 19 insertions, 8 deletions
diff --git a/module/zfs/ddt.c b/module/zfs/ddt.c
index 895422b50..6221157f8 100644
--- a/module/zfs/ddt.c
+++ b/module/zfs/ddt.c
@@ -82,13 +82,14 @@ ddt_object_destroy(ddt_t *ddt, enum ddt_type type, enum ddt_class class,
spa_t *spa = ddt->ddt_spa;
objset_t *os = ddt->ddt_os;
uint64_t *objectp = &ddt->ddt_object[type][class];
+ uint64_t count;
char name[DDT_NAMELEN];
ddt_object_name(ddt, type, class, name);
ASSERT(*objectp != 0);
- ASSERT(ddt_object_count(ddt, type, class) == 0);
ASSERT(ddt_histogram_empty(&ddt->ddt_histogram[type][class]));
+ VERIFY(ddt_object_count(ddt, type, class, &count) == 0 && count == 0);
VERIFY(zap_remove(os, DMU_POOL_DIRECTORY_OBJECT, name, tx) == 0);
VERIFY(zap_remove(os, spa->spa_ddt_stat_object, name, tx) == 0);
VERIFY(ddt_ops[type]->ddt_op_destroy(os, *objectp, tx) == 0);
@@ -102,6 +103,7 @@ ddt_object_load(ddt_t *ddt, enum ddt_type type, enum ddt_class class)
{
ddt_object_t *ddo = &ddt->ddt_object_stats[type][class];
dmu_object_info_t doi;
+ uint64_t count;
char name[DDT_NAMELEN];
int error;
@@ -124,7 +126,11 @@ ddt_object_load(ddt_t *ddt, enum ddt_type type, enum ddt_class class)
if (error)
return (error);
- ddo->ddo_count = ddt_object_count(ddt, type, class);
+ error = ddt_object_count(ddt, type, class, &count);
+ if (error)
+ return (error);
+
+ ddo->ddo_count = count;
ddo->ddo_dspace = doi.doi_physical_blocks_512 << 9;
ddo->ddo_mspace = doi.doi_fill_count * doi.doi_data_block_size;
@@ -138,6 +144,7 @@ ddt_object_sync(ddt_t *ddt, enum ddt_type type, enum ddt_class class,
{
ddt_object_t *ddo = &ddt->ddt_object_stats[type][class];
dmu_object_info_t doi;
+ uint64_t count;
char name[DDT_NAMELEN];
ddt_object_name(ddt, type, class, name);
@@ -150,8 +157,9 @@ ddt_object_sync(ddt_t *ddt, enum ddt_type type, enum ddt_class class,
* Cache DDT statistics; this is the only time they'll change.
*/
VERIFY(ddt_object_info(ddt, type, class, &doi) == 0);
+ VERIFY(ddt_object_count(ddt, type, class, &count) == 0);
- ddo->ddo_count = ddt_object_count(ddt, type, class);
+ ddo->ddo_count = count;
ddo->ddo_dspace = doi.doi_physical_blocks_512 << 9;
ddo->ddo_mspace = doi.doi_fill_count * doi.doi_data_block_size;
}
@@ -208,13 +216,14 @@ ddt_object_walk(ddt_t *ddt, enum ddt_type type, enum ddt_class class,
ddt->ddt_object[type][class], dde, walk));
}
-uint64_t
-ddt_object_count(ddt_t *ddt, enum ddt_type type, enum ddt_class class)
+int
+ddt_object_count(ddt_t *ddt, enum ddt_type type, enum ddt_class class,
+ uint64_t *count)
{
ASSERT(ddt_object_exists(ddt, type, class));
return (ddt_ops[type]->ddt_op_count(ddt->ddt_os,
- ddt->ddt_object[type][class]));
+ ddt->ddt_object[type][class], count));
}
int
@@ -1124,11 +1133,13 @@ ddt_sync_table(ddt_t *ddt, dmu_tx_t *tx, uint64_t txg)
}
for (type = 0; type < DDT_TYPES; type++) {
- uint64_t count = 0;
+ uint64_t add, count = 0;
for (class = 0; class < DDT_CLASSES; class++) {
if (ddt_object_exists(ddt, type, class)) {
ddt_object_sync(ddt, type, class, tx);
- count += ddt_object_count(ddt, type, class);
+ VERIFY(ddt_object_count(ddt, type, class,
+ &add) == 0);
+ count += add;
}
}
for (class = 0; class < DDT_CLASSES; class++) {