From: Andriy Skulysh <c17819@cray.com>
Date: Tue, 2 Oct 2018 09:33:29 +0000 (+0300)
Subject: LU-11699 lfsck: Umount while running LFSCK
X-Git-Tag: 2.12.51~75
X-Git-Url: https://git.whamcloud.com/?p=fs%2Flustre-release.git;a=commitdiff_plain;h=2d3d322546c14d7b35cfd3b160faa3e747a48315

LU-11699 lfsck: Umount while running LFSCK

lod_device_free() ASSERTION( atomic_read(&lu->ld_ref) == 0)failed

Wake up master thread after releasing all refernces.

Change-Id: I2933f7c58c12f4e3cd2510b01babbf02814c8768
Cray-bug-id: LUS-6510
Signed-off-by: Andriy Skulysh <c17819@cray.com>
Reviewed-by: Alexander Boyko <c17825@cray.com>
Reviewed-by: Andrew Perepechko <c17827@cray.com>
Reviewed-on: https://review.whamcloud.com/33715
Tested-by: Jenkins
Tested-by: Maloo <maloo@whamcloud.com>
Reviewed-by: Andreas Dilger <adilger@whamcloud.com>
Reviewed-by: Alexandr Boyko <c17825@cray.com>
Reviewed-by: Oleg Drokin <green@whamcloud.com>
---

diff --git a/lustre/lfsck/lfsck_engine.c b/lustre/lfsck/lfsck_engine.c
index 20866fc..626c2bb 100644
--- a/lustre/lfsck/lfsck_engine.c
+++ b/lustre/lfsck/lfsck_engine.c
@@ -1837,7 +1837,6 @@ fini:
 	spin_lock(&lad->lad_lock);
 	lad->lad_assistant_status = (rc1 != 0 ? rc1 : rc);
 	thread_set_flags(athread, SVC_STOPPED);
-	wake_up_all(&mthread->t_ctl_waitq);
 	lad->lad_task = NULL;
 	spin_unlock(&lad->lad_lock);
 
@@ -1846,6 +1845,7 @@ fini:
 	       lad->lad_assistant_status);
 
 	lfsck_thread_args_fini(lta);
+	wake_up_all(&mthread->t_ctl_waitq);
 
 	return rc;
 }