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-rw-r--r--module/zfs/zio.c68
1 files changed, 0 insertions, 68 deletions
diff --git a/module/zfs/zio.c b/module/zfs/zio.c
index 78dff51af..e36a7893d 100644
--- a/module/zfs/zio.c
+++ b/module/zfs/zio.c
@@ -3118,35 +3118,6 @@ zio_ddt_child_write_done(zio_t *zio)
ddt_exit(ddt);
}
-static void
-zio_ddt_ditto_write_done(zio_t *zio)
-{
- int p = DDT_PHYS_DITTO;
- ASSERTV(zio_prop_t *zp = &zio->io_prop);
- blkptr_t *bp = zio->io_bp;
- ddt_t *ddt = ddt_select(zio->io_spa, bp);
- ddt_entry_t *dde = zio->io_private;
- ddt_phys_t *ddp = &dde->dde_phys[p];
- ddt_key_t *ddk = &dde->dde_key;
-
- ddt_enter(ddt);
-
- ASSERT(ddp->ddp_refcnt == 0);
- ASSERT(dde->dde_lead_zio[p] == zio);
- dde->dde_lead_zio[p] = NULL;
-
- if (zio->io_error == 0) {
- ASSERT(ZIO_CHECKSUM_EQUAL(bp->blk_cksum, ddk->ddk_cksum));
- ASSERT(zp->zp_copies < SPA_DVAS_PER_BP);
- ASSERT(zp->zp_copies == BP_GET_NDVAS(bp) - BP_IS_GANG(bp));
- if (ddp->ddp_phys_birth != 0)
- ddt_phys_free(ddt, ddk, ddp, zio->io_txg);
- ddt_phys_fill(ddp, bp);
- }
-
- ddt_exit(ddt);
-}
-
static zio_t *
zio_ddt_write(zio_t *zio)
{
@@ -3155,9 +3126,7 @@ zio_ddt_write(zio_t *zio)
uint64_t txg = zio->io_txg;
zio_prop_t *zp = &zio->io_prop;
int p = zp->zp_copies;
- int ditto_copies;
zio_t *cio = NULL;
- zio_t *dio = NULL;
ddt_t *ddt = ddt_select(spa, bp);
ddt_entry_t *dde;
ddt_phys_t *ddp;
@@ -3192,41 +3161,6 @@ zio_ddt_write(zio_t *zio)
return (zio);
}
- ditto_copies = ddt_ditto_copies_needed(ddt, dde, ddp);
- ASSERT(ditto_copies < SPA_DVAS_PER_BP);
-
- if (ditto_copies > ddt_ditto_copies_present(dde) &&
- dde->dde_lead_zio[DDT_PHYS_DITTO] == NULL) {
- zio_prop_t czp = *zp;
-
- czp.zp_copies = ditto_copies;
-
- /*
- * If we arrived here with an override bp, we won't have run
- * the transform stack, so we won't have the data we need to
- * generate a child i/o. So, toss the override bp and restart.
- * This is safe, because using the override bp is just an
- * optimization; and it's rare, so the cost doesn't matter.
- */
- if (zio->io_bp_override) {
- zio_pop_transforms(zio);
- zio->io_stage = ZIO_STAGE_OPEN;
- zio->io_pipeline = ZIO_WRITE_PIPELINE;
- zio->io_bp_override = NULL;
- BP_ZERO(bp);
- ddt_exit(ddt);
- return (zio);
- }
-
- dio = zio_write(zio, spa, txg, bp, zio->io_orig_abd,
- zio->io_orig_size, zio->io_orig_size, &czp, NULL, NULL,
- NULL, zio_ddt_ditto_write_done, dde, zio->io_priority,
- ZIO_DDT_CHILD_FLAGS(zio), &zio->io_bookmark);
-
- zio_push_transform(dio, zio->io_abd, zio->io_size, 0, NULL);
- dde->dde_lead_zio[DDT_PHYS_DITTO] = dio;
- }
-
if (ddp->ddp_phys_birth != 0 || dde->dde_lead_zio[p] != NULL) {
if (ddp->ddp_phys_birth != 0)
ddt_bp_fill(ddp, bp, txg);
@@ -3254,8 +3188,6 @@ zio_ddt_write(zio_t *zio)
if (cio)
zio_nowait(cio);
- if (dio)
- zio_nowait(dio);
return (zio);
}