[PATCH 4.19 082/129] fs: dlm: add pid to debug log

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4.19-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Alexander Aring <aahringo@xxxxxxxxxx>

[ Upstream commit 19d7ca051d303622c423b4cb39e6bde5d177328b ]

This patch adds the pid information which requested the lock operation
to the debug log output.

Signed-off-by: Alexander Aring <aahringo@xxxxxxxxxx>
Signed-off-by: David Teigland <teigland@xxxxxxxxxx>
Stable-dep-of: 57e2c2f2d94c ("fs: dlm: fix mismatch of plock results from userspace")
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
 fs/dlm/plock.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/fs/dlm/plock.c b/fs/dlm/plock.c
index 7e26e677c6b24..254d20eb6f4fd 100644
--- a/fs/dlm/plock.c
+++ b/fs/dlm/plock.c
@@ -167,9 +167,9 @@ int dlm_posix_lock(dlm_lockspace_t *lockspace, u64 number, struct file *file,
 		spin_lock(&ops_lock);
 		list_del(&op->list);
 		spin_unlock(&ops_lock);
-		log_print("%s: wait interrupted %x %llx, op removed",
+		log_print("%s: wait interrupted %x %llx pid %d, op removed",
 			  __func__, ls->ls_global_id,
-			  (unsigned long long)number);
+			  (unsigned long long)number, op->info.pid);
 		dlm_release_plock_op(op);
 		do_unlock_close(ls, number, file, fl);
 		goto out;
-- 
2.40.1






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