From: John L. Hammond <john.hammond@intel.com>
Date: Wed, 7 Jun 2017 13:11:14 +0000 (-0500)
Subject: LU-9615 mdt: use write llog lock for pending restores
X-Git-Tag: 2.10.0-RC1~27
X-Git-Url: https://git.whamcloud.com/?p=fs%2Flustre-release.git;a=commitdiff_plain;h=8f1ef95e5f8bba95c28d0c74fc5b4b56ae43f911

LU-9615 mdt: use write llog lock for pending restores

In mdt_hsm_pending_restore(), ask for a write llog lock when
processing the llog.

Signed-off-by: John L. Hammond <john.hammond@intel.com>
Change-Id: Ib93a3a3b0f9472afae50c240b7dcb14fce4a8501
Reviewed-on: https://review.whamcloud.com/27484
Tested-by: Jenkins
Reviewed-by: Quentin Bouget <quentin.bouget@cea.fr>
Reviewed-by: Faccini Bruno <bruno.faccini@intel.com>
Reviewed-by: Ben Evans <bevans@cray.com>
Tested-by: Maloo <hpdd-maloo@intel.com>
Reviewed-by: Oleg Drokin <oleg.drokin@intel.com>
---

diff --git a/lustre/mdt/mdt_coordinator.c b/lustre/mdt/mdt_coordinator.c
index 73463ea..ec1d53d 100644
--- a/lustre/mdt/mdt_coordinator.c
+++ b/lustre/mdt/mdt_coordinator.c
@@ -793,7 +793,7 @@ static int mdt_hsm_pending_restore(struct mdt_thread_info *mti)
 	hrd.hrd_mti = mti;
 
 	rc = cdt_llog_process(mti->mti_env, mti->mti_mdt, hsm_restore_cb, &hrd,
-			      0, 0, READ);
+			      0, 0, WRITE);
 
 	RETURN(rc);
 }