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-rw-r--r--module/zfs/dbuf.c5
-rw-r--r--module/zfs/dsl_scan.c2
2 files changed, 7 insertions, 0 deletions
diff --git a/module/zfs/dbuf.c b/module/zfs/dbuf.c
index d347c5b91..1575cc1b4 100644
--- a/module/zfs/dbuf.c
+++ b/module/zfs/dbuf.c
@@ -1300,6 +1300,11 @@ dbuf_unoverride(dbuf_dirty_record_t *dr)
uint64_t txg = dr->dr_txg;
ASSERT(MUTEX_HELD(&db->db_mtx));
+ /*
+ * This assert is valid because dmu_sync() expects to be called by
+ * a zilog's get_data while holding a range lock. This call only
+ * comes from dbuf_dirty() callers who must also hold a range lock.
+ */
ASSERT(dr->dt.dl.dr_override_state != DR_IN_DMU_SYNC);
ASSERT(db->db_level == 0);
diff --git a/module/zfs/dsl_scan.c b/module/zfs/dsl_scan.c
index 5b52681d8..89faaeb8f 100644
--- a/module/zfs/dsl_scan.c
+++ b/module/zfs/dsl_scan.c
@@ -1511,6 +1511,7 @@ dsl_scan_active(dsl_scan_t *scn)
return (used != 0);
}
+/* Called whenever a txg syncs. */
void
dsl_scan_sync(dsl_pool_t *dp, dmu_tx_t *tx)
{
@@ -1956,6 +1957,7 @@ dsl_scan_scrub_cb(dsl_pool_t *dp,
return (0);
}
+/* Called by the ZFS_IOC_POOL_SCAN ioctl to start a scrub or resilver */
int
dsl_scan(dsl_pool_t *dp, pool_scan_func_t func)
{