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Illumos 4975 - missing mutex_destroy() calls in zfs

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4975 missing mutex_destroy() calls in zfs
Author: Jorgen Lundman <lundman@lundman.net>
Reviewed by: Matthew Ahrens <matthew.ahrens@delphix.com>
Reviewed by: George Wilson <george.wilson@delphix.com>
Reviewed by: Rich Lowe <richlowe@richlowe.net>
Reviewed by: Seth Nimbosa <darth.Serious@gmail.com>
Reviewed by: Dan McDonald <danmcd@omniti.com>
Reviewed by: Don Brady <dev.fs.zfs@gmail.com>
Approved by: Dan McDonald <danmcd@omniti.com>

References:
  https://www.illumos.org/issues/4975
  https://github.com/illumos/illumos-gate/commit/d2b3cbb

Ported-by: Chris Dunlop <chris@onthe.net.au>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
This commit is contained in:
Jorgen Lundman 2015-04-02 00:49:14 +11:00 committed by Brian Behlendorf
parent ca227e54a8
commit 58c4aa00c6
5 changed files with 21 additions and 0 deletions
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6
module/zfs/dbuf.c
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@ -1423,6 +1423,12 @@ dbuf_undirty(dmu_buf_impl_t *db, dmu_tx_t *tx)
if (dr->dt.dl.dr_data != db->db_buf)
VERIFY(arc_buf_remove_ref(dr->dt.dl.dr_data, db));
}
if (db->db_level != 0) {
mutex_destroy(&dr->dt.di.dr_mtx);
list_destroy(&dr->dt.di.dr_children);
}
kmem_free(dr, sizeof (dbuf_dirty_record_t));
ASSERT(db->db_dirtycnt > 0);

5
module/zfs/dnode.c
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@ -1079,6 +1079,11 @@ dnode_hold_impl(objset_t *os, uint64_t object, int flag,
}
if ((winner = dmu_buf_set_user(&db->db, children_dnodes, NULL,
dnode_buf_pageout))) {
for (i = 0; i < epb; i++) {
zrl_destroy(&dnh[i].dnh_zrlock);
}
kmem_free(children_dnodes, sizeof (dnode_children_t) +
(epb - 1) * sizeof (dnode_handle_t));
children_dnodes = winner;

3
module/zfs/dnode_sync.c
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@ -491,6 +491,9 @@ dnode_undirty_dbufs(list_t *list)
ASSERT(db->db_blkid == DMU_BONUS_BLKID ||
dr->dt.dl.dr_data == db->db_buf);
dbuf_unoverride(dr);
} else {
mutex_destroy(&dr->dt.di.dr_mtx);
list_destroy(&dr->dt.di.dr_children);
}
kmem_free(dr, sizeof (dbuf_dirty_record_t));
dbuf_rele_and_unlock(db, (void *)(uintptr_t)txg);

3
module/zfs/dsl_dataset.c
View File

@ -267,6 +267,7 @@ dsl_dataset_evict(dmu_buf_t *db, void *dsv)
mutex_destroy(&ds->ds_lock);
mutex_destroy(&ds->ds_opening_lock);
mutex_destroy(&ds->ds_sendstream_lock);
refcount_destroy(&ds->ds_longholds);
kmem_free(ds, sizeof (dsl_dataset_t));
@ -396,6 +397,7 @@ dsl_dataset_hold_obj(dsl_pool_t *dp, uint64_t dsobj, void *tag,
if (err != 0) {
mutex_destroy(&ds->ds_lock);
mutex_destroy(&ds->ds_opening_lock);
mutex_destroy(&ds->ds_sendstream_lock);
refcount_destroy(&ds->ds_longholds);
bplist_destroy(&ds->ds_pending_deadlist);
dsl_deadlist_close(&ds->ds_deadlist);
@ -452,6 +454,7 @@ dsl_dataset_hold_obj(dsl_pool_t *dp, uint64_t dsobj, void *tag,
dsl_dir_rele(ds->ds_dir, ds);
mutex_destroy(&ds->ds_lock);
mutex_destroy(&ds->ds_opening_lock);
mutex_destroy(&ds->ds_sendstream_lock);
refcount_destroy(&ds->ds_longholds);
kmem_free(ds, sizeof (dsl_dataset_t));
if (err != 0) {

4
module/zfs/sa.c
View File

@ -1112,6 +1112,9 @@ fail:
if (sa->sa_user_table)
kmem_free(sa->sa_user_table, sa->sa_user_table_sz);
mutex_exit(&sa->sa_lock);
avl_destroy(&sa->sa_layout_hash_tree);
avl_destroy(&sa->sa_layout_num_tree);
mutex_destroy(&sa->sa_lock);
kmem_free(sa, sizeof (sa_os_t));
return ((error == ECKSUM) ? EIO : error);
}
@ -1148,6 +1151,7 @@ sa_tear_down(objset_t *os)
avl_destroy(&sa->sa_layout_hash_tree);
avl_destroy(&sa->sa_layout_num_tree);
mutex_destroy(&sa->sa_lock);
kmem_free(sa, sizeof (sa_os_t));
os->os_sa = NULL;