MFV r271223:

In dnode_sync(), do dnode_increase_indirection() before processing
the dn_next_nblkptr.

Illumos issue:
    5117 space map reallocation can cause corruption

MFC after:	3 days
This commit is contained in:
Xin LI 2014-09-07 13:13:42 +00:00
commit 817d804595
Notes: svn2git 2020-12-20 02:59:44 +00:00
svn path=/head/; revision=271226

View File

@ -684,6 +684,11 @@ dnode_sync(dnode_t *dn, dmu_tx_t *tx)
return;
}
if (dn->dn_next_nlevels[txgoff]) {
dnode_increase_indirection(dn, tx);
dn->dn_next_nlevels[txgoff] = 0;
}
if (dn->dn_next_nblkptr[txgoff]) {
/* this should only happen on a realloc */
ASSERT(dn->dn_allocated_txg == tx->tx_txg);
@ -708,11 +713,6 @@ dnode_sync(dnode_t *dn, dmu_tx_t *tx)
mutex_exit(&dn->dn_mtx);
}
if (dn->dn_next_nlevels[txgoff]) {
dnode_increase_indirection(dn, tx);
dn->dn_next_nlevels[txgoff] = 0;
}
dbuf_sync_list(list, tx);
if (!DMU_OBJECT_IS_SPECIAL(dn->dn_object)) {