[Cluster-devel] [PATCH] Retry wait_event_interruptible in event of ERESTARTSYS

[Mark Syms]

Signed-off-by: Mark Syms <mark.syms at citrix.com>
---
 fs/dlm/lockspace.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/fs/dlm/lockspace.c b/fs/dlm/lockspace.c
index db43b98..7aae23a 100644
--- a/fs/dlm/lockspace.c
+++ b/fs/dlm/lockspace.c
@@ -210,8 +210,10 @@ static int do_uevent(struct dlm_ls *ls, int in)
 	/* dlm_controld will see the uevent, do the necessary group management
 	   and then write to sysfs to wake us */
 
-	error = wait_event_interruptible(ls->ls_uevent_wait,
-			test_and_clear_bit(LSFL_UEVENT_WAIT, &ls->ls_flags));
+	do {
+		error = wait_event_interruptible(ls->ls_uevent_wait,
+						 test_and_clear_bit(LSFL_UEVENT_WAIT, &ls->ls_flags));
+	} while (error == ERESTARTSYS);
 
 	log_rinfo(ls, "group event done %d %d", error, ls->ls_uevent_result);
 
-- 
1.8.3.1