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Revert "zdb: zdb_ddt_leak_init() reads uninitialized memory..."

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This reverts commit d30db519af.  With
this change applied zloop.sh fails reliably with the following ASSERT.

  zio_wait(zio_claim(NULL, zcb->zcb_spa, refcnt ? 0 : spa_min_claim_txg(
    zcb->zcb_spa), bp, NULL, NULL, ZIO_FLAG_CANFAIL)) == 0 (0x2 == 0x0)
  ASSERT at cmd/zdb/zdb.c:5452:zdb_count_block()

Reviewed-by: George Melikov <mail@gmelikov.ru>
Reviewed-by: Richard Yao <richard.yao@alumni.stonybrook.edu>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #14306
This commit is contained in:
Brian Behlendorf 2022-12-21 09:17:00 -08:00 committed by GitHub
parent bd9dc5a1dc
commit b4cd4fe1aa
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 2 additions and 3 deletions
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5
cmd/zdb/zdb.c
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@ -5779,10 +5779,9 @@ zdb_ddt_leak_init(spa_t *spa, zdb_cb_t *zcb)
ASSERT(ddt_phys_total_refcnt(&dde) > 1);
if (ddp->ddp_phys_birth == 0)
continue;
for (p = 0; p < DDT_PHYS_TYPES; p++, ddp++) {
if (ddp->ddp_phys_birth == 0)
continue;
ddt_bp_create(ddb.ddb_checksum,
&dde.dde_key, ddp, &blk);
if (p == DDT_PHYS_DITTO) {