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4188 assertion failed in dmu_tx_hold_free(): dn_datablkshift != 0

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Reviewed by: George Wilson <george.wilson@delphix.com>
Reviewed by: Christopher Siden <christopher.siden@delphix.com>
Approved by: Garrett D'Amore <garrett@damore.org>

Refences:
  https://www.illumos.org/issues/4188
  illumos/illumos-gate@bb411a08b0

Ported-by: Chris Dunlop <chris@onthe.net.au>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Closes #2091
This commit is contained in:
Matthew Ahrens 2014-02-01 02:52:11 +11:00 committed by Brian Behlendorf
parent 8b4646494c
commit 2e7b7657cd
1 changed files with 8 additions and 1 deletions
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9
module/zfs/dmu_tx.c
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@ -656,9 +656,16 @@ dmu_tx_hold_free(dmu_tx_t *tx, uint64_t object, uint64_t off, uint64_t len)
uint64_t end = (off + len) >> shift;
uint64_t i;
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 (i = start; i <= end; i++) {