From 8f0daef5f797c13d7f9bd248190933932b14df36 Mon Sep 17 00:00:00 2001
From: Andreas Gruenbacher <agruenba@redhat.com>
Date: Thu, 22 Aug 2019 18:07:09 +0200
Subject: gfs2: Fix recovery slot bumping

Get rid of the assumption that the number of slots can at most increase by
RECOVER_SIZE_INC (16) in set_recover_size.

Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
---
 fs/gfs2/lock_dlm.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

(limited to 'fs')

diff --git a/fs/gfs2/lock_dlm.c b/fs/gfs2/lock_dlm.c
index 4361804646d8..7c7197343ee2 100644
--- a/fs/gfs2/lock_dlm.c
+++ b/fs/gfs2/lock_dlm.c
@@ -1035,12 +1035,12 @@ static int set_recover_size(struct gfs2_sbd *sdp, struct dlm_slot *slots,
 	}
 
 	old_size = ls->ls_recover_size;
-
-	if (old_size >= max_jid + 1)
+	new_size = old_size;
+	while (new_size < max_jid + 1)
+		new_size += RECOVER_SIZE_INC;
+	if (new_size == old_size)
 		return 0;
 
-	new_size = old_size + RECOVER_SIZE_INC;
-
 	submit = kcalloc(new_size, sizeof(uint32_t), GFP_NOFS);
 	result = kcalloc(new_size, sizeof(uint32_t), GFP_NOFS);
 	if (!submit || !result) {
-- 
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