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From: Georgy Yakovlev <gyakovlev@gentoo.org>
Date: Wed, 29 May 2019 14:38:15 -0700
Subject: Revert [PATCH] Report holes when there are only metadata changes
This reverts ec4f9b8f30391a3fb46c8d4a31c2dc9250dca1bb
Issue: https://github.com/zfsonlinux/zfs/issues/8816
Bug: https://bugs.gentoo.org/635002
---
--- b/module/zfs/dmu.c
+++ a/module/zfs/dmu.c
@@ -2366,39 +2366,14 @@
return (err);
/*
+ * Check if dnode is dirty
- * Check if there are dirty data blocks or frees which have not been
- * synced. Dirty spill and bonus blocks which are external to the
- * object can ignored when reporting holes.
*/
- mutex_enter(&dn->dn_mtx);
for (i = 0; i < TXG_SIZE; i++) {
if (multilist_link_active(&dn->dn_dirty_link[i])) {
+ clean = B_FALSE;
+ break;
-
- if (dn->dn_free_ranges[i] != NULL) {
- clean = B_FALSE;
- break;
- }
-
- list_t *list = &dn->dn_dirty_records[i];
- dbuf_dirty_record_t *dr;
-
- for (dr = list_head(list); dr != NULL;
- dr = list_next(list, dr)) {
- dmu_buf_impl_t *db = dr->dr_dbuf;
-
- if (db->db_blkid == DMU_SPILL_BLKID ||
- db->db_blkid == DMU_BONUS_BLKID)
- continue;
-
- clean = B_FALSE;
- break;
- }
}
-
- if (clean == B_FALSE)
- break;
}
- mutex_exit(&dn->dn_mtx);
/*
* If compatibility option is on, sync any current changes before
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