From: Brian Behlendorf <behlendorf1@llnl.gov>
Date: Thu, 26 Aug 2010 17:24:44 +0000 (-0700)
Subject: Fix dbuf eviction assertion
X-Git-Url: https://git.camperquake.de/gitweb.cgi?a=commitdiff_plain;h=754c6663a36b9801b391a9659319416ecd79d9d2;hp=4d58b69de8a6e2dc77b73e113d2c7847d389f456;p=zfs.git

Fix dbuf eviction assertion

Replace non-fatal assertion with warning.  This was being observed
during testing and it should not be fatal.

Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
---

diff --git a/module/zfs/dnode_sync.c b/module/zfs/dnode_sync.c
index 7d304b2..af636dc 100644
--- a/module/zfs/dnode_sync.c
+++ b/module/zfs/dnode_sync.c
@@ -418,9 +418,13 @@ dnode_evict_dbufs(dnode_t *dn)
 		if (evicting)
 			delay(1);
 		pass++;
-		ASSERT(pass < 100); /* sanity check */
+		if ((pass % 100) == 0)
+			dprintf("Exceeded %d passes evicting dbufs\n", pass);
 	} while (progress);
 
+	if (pass >= 100)
+		dprintf("Required %d passes to evict dbufs\n", pass);
+
 	rw_enter(&dn->dn_struct_rwlock, RW_WRITER);
 	if (dn->dn_bonus && refcount_is_zero(&dn->dn_bonus->db_holds)) {
 		mutex_enter(&dn->dn_bonus->db_mtx);