From 58be4f12bb8d52dc6db916e142b01158383d683d Mon Sep 17 00:00:00 2001 From: Andriy Gapon Date: Wed, 4 Dec 2013 14:50:43 +0000 Subject: [PATCH] 4188 assertion failed in dmu_tx_hold_free(): dn_datablkshift != 0 illumos/illumos-gate@bb411a08b05466bfe0c7095b6373bbc1587e259a --- uts/common/fs/zfs/dmu_tx.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/uts/common/fs/zfs/dmu_tx.c b/uts/common/fs/zfs/dmu_tx.c index 44350f7b3b33..70c91aca8d0c 100644 --- a/uts/common/fs/zfs/dmu_tx.c +++ b/uts/common/fs/zfs/dmu_tx.c @@ -635,9 +635,16 @@ dmu_tx_hold_free(dmu_tx_t *tx, uint64_t object, uint64_t off, uint64_t len) uint64_t start = off >> shift; uint64_t end = (off + len) >> shift; - ASSERT(dn->dn_datablkshift != 0); ASSERT(dn->dn_indblkshift != 0); + /* + * dnode_reallocate() can result in an object with indirect + * blocks having an odd data block size. In this case, + * just check the single block. + */ + if (dn->dn_datablkshift == 0) + start = end = 0; + zio = zio_root(tx->tx_pool->dp_spa, NULL, NULL, ZIO_FLAG_CANFAIL); for (uint64_t i = start; i <= end; i++) {