From: Chengguang Xu <cgxu519@gmx.com>
Date: Wed, 30 May 2018 10:13:11 +0800
Subject: ceph: fix alignment of rasize
Git-commit: c36ed50de2ad1649ce0369a4a6fc2cc11b20dfb7
Patch-mainline: v4.18-rc1
References: bsc#1098236

On currently logic:
when I specify rasize=0~1 then it will be 4096.
when I specify rasize=2~4097 then it will be 8192.

Make it the same as rsize & wsize.

Signed-off-by: Chengguang Xu <cgxu519@gmx.com>
Reviewed-by: "Yan, Zheng" <zyan@redhat.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Acked-by: Luis Henriques <lhenriques@suse.com>
---
 fs/ceph/super.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/ceph/super.c b/fs/ceph/super.c
index a8e8e2629fb4..b4ff1392e333 100644
--- a/fs/ceph/super.c
+++ b/fs/ceph/super.c
@@ -271,7 +271,7 @@ static int parse_fsopt_token(char *c, void *private)
 	case Opt_rasize:
 		if (intval < 0)
 			return -EINVAL;
-		fsopt->rasize = ALIGN(intval + PAGE_SIZE - 1, PAGE_SIZE);
+		fsopt->rasize = ALIGN(intval, PAGE_SIZE);
 		break;
 	case Opt_caps_wanted_delay_min:
 		if (intval < 1)