From c97d4cdf4dc78ba02dc0f1c0cc23831f0da63953 Mon Sep 17 00:00:00 2001
From: Hongchao Zhang <hongchao@whamcloud.com>
Date: Mon, 6 Mar 2023 08:17:10 -0500
Subject: [PATCH] LU-16629 osd: refill the existing env

During the LDLM lock callback, the "lu_env" is created in
ldlm_bl_thread_main, which is initiated by "ldlm_setup",
and it could have no key of "osd_thread_info" yet, then it
need to call "lu_env_refill" to refill the keys.

Change-Id: Ibae978a5a10826c2e3186012911870ce7bf0b147
Signed-off-by: Hongchao Zhang <hongchao@whamcloud.com>
Reviewed-on: https://review.whamcloud.com/c/fs/lustre-release/+/50270
Tested-by: jenkins <devops@whamcloud.com>
Tested-by: Maloo <maloo@whamcloud.com>
Reviewed-by: Andreas Dilger <adilger@whamcloud.com>
Reviewed-by: Alex Zhuravlev <bzzz@whamcloud.com>
Reviewed-by: Oleg Drokin <green@whamcloud.com>
---
 lustre/mdt/mdt_io.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/lustre/mdt/mdt_io.c b/lustre/mdt/mdt_io.c
index fa72341..3e86539 100644
--- a/lustre/mdt/mdt_io.c
+++ b/lustre/mdt/mdt_io.c
@@ -1938,6 +1938,9 @@ int ldlm_dom_discard_cp_ast(struct ldlm_lock *lock, __u64 flags, void *data)
 
 	env = lu_env_find();
 	LASSERT(env);
+
+	lu_env_refill(env);
+
 	mdt_object_put(env, mo);
 
 	RETURN(0);
-- 
1.8.3.1