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Illumos #3741

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3741 zfs needs better comments
Reviewed by: Matthew Ahrens <mahrens@delphix.com>
Reviewed by: Eric Schrock <eric.schrock@delphix.com>
Approved by: Christopher Siden <christopher.siden@delphix.com>

References:
  https://www.illumos.org/issues/3741
  illumos/illumos-gate@3e30c24aee

Ported-by: Richard Yao <ryao@gentoo.org>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
Issue #1775
This commit is contained in:
Will Andrews
2013-06-11 09:12:34 -08:00
committed by Brian Behlendorf
parent b1118acbb1
commit e49f1e20a0
12 changed files with 154 additions and 11 deletions
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module/zfs/dmu_tx.c
+8
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@@ -1040,6 +1040,10 @@ dmu_tx_unassign(dmu_tx_t *tx)
txg_rele_to_quiesce(&tx->tx_txgh);
/*
* Walk the transaction's hold list, removing the hold on the
* associated dnode, and notifying waiters if the refcount drops to 0.
*/
for (txh = list_head(&tx->tx_holds); txh != tx->tx_needassign_txh;
txh = list_next(&tx->tx_holds, txh)) {
dnode_t *dn = txh->txh_dnode;
@@ -1157,6 +1161,10 @@ dmu_tx_commit(dmu_tx_t *tx)
ASSERT(tx->tx_txg != 0);
/*
* Go through the transaction's hold list and remove holds on
* associated dnodes, notifying waiters if no holds remain.
*/
while ((txh = list_head(&tx->tx_holds))) {
dnode_t *dn = txh->txh_dnode;