From 70cb1ce4f6dfdd935d0cd5ccddee9feebe22886f Mon Sep 17 00:00:00 2001
From: shadow <shadow>
Date: Fri, 9 May 2008 10:19:15 +0000
Subject: [PATCH] don't hit live lock with umount ost. b=14645 i=johan i=alex
---
lustre/ChangeLog | 7 +++++++
lustre/obdfilter/filter.c | 3 +--
2 files changed, 8 insertions(+), 2 deletions(-)
diff --git a/lustre/ChangeLog b/lustre/ChangeLog
index b45b51cfb0..5051a49ebe 100644
--- a/lustre/ChangeLog
+++ b/lustre/ChangeLog
@@ -25,6 +25,13 @@ tbd Sun Microsystems, Inc.
'tunefs.lustre --param="mdt.quota_type=ug1" $MDTDEV'.
For more information, please refer to bugzilla 13904.
+Severity : minor
+Bugzilla : 14645
+Frequency : rare, on shutdown ost
+Description: don't hit live lock with umount ost.
+Description: shrink_dcache_parent can be in long loop with destroy dentries,
+ use shrink_dcache_sb instead.
+
Severity : minor
Bugzilla : 14949
Description: don't panic with use echo client
diff --git a/lustre/obdfilter/filter.c b/lustre/obdfilter/filter.c
index 0590bf49dd..8bd25cd5a9 100644
--- a/lustre/obdfilter/filter.c
+++ b/lustre/obdfilter/filter.c
@@ -2023,9 +2023,8 @@ static int filter_cleanup(struct obd_device *obd)
filter_post(obd);
- shrink_dcache_parent(obd->u.obt.obt_sb->s_root);
-
LL_DQUOT_OFF(obd->u.obt.obt_sb);
+ shrink_dcache_sb(obd->u.obt.obt_sb);
server_put_mount(obd->obd_name, filter->fo_vfsmnt);
obd->u.obt.obt_sb = NULL;
--
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