Author: pjd
Date: Wed Dec 18 21:45:46 2013
New Revision: 259576
URL: http://svnweb.freebsd.org/changeset/base/259576
Log:
MFV r258923: 4188 assertion failed in dmu_tx_hold_free(): dn_datablkshift != 0
illumos/illumos-gate@bb411a08b05466bfe0c7095b6373bbc1587e259a
MFC after: 3 days
Modified:
head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dmu_tx.c
Directory Properties:
head/sys/cddl/contrib/opensolaris/ (props changed)
Modified: head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dmu_tx.c
==============================================================================
--- head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dmu_tx.c Wed Dec
18 21:29:23 2013 (r259575)
+++ head/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/dmu_tx.c Wed Dec
18 21:45:46 2013 (r259576)
@@ -636,9 +636,16 @@ dmu_tx_hold_free(dmu_tx_t *tx, uint64_t
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++) {
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