From: David Sterba <dsterba@suse.com>
Date: Fri, 17 May 2019 09:43:43 +0000 (+0200)
Subject: btrfs: constify map parameter for nr_parity_stripes and nr_data_stripes
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=72ad813157c58416c29fa554928e21b9bdae2582;p=openwrt%2Fstaging%2Fblogic.git

btrfs: constify map parameter for nr_parity_stripes and nr_data_stripes

Signed-off-by: David Sterba <dsterba@suse.com>
---

diff --git a/fs/btrfs/raid56.h b/fs/btrfs/raid56.h
index f5d4c13a8dbc..2503485db859 100644
--- a/fs/btrfs/raid56.h
+++ b/fs/btrfs/raid56.h
@@ -7,7 +7,7 @@
 #ifndef BTRFS_RAID56_H
 #define BTRFS_RAID56_H
 
-static inline int nr_parity_stripes(struct map_lookup *map)
+static inline int nr_parity_stripes(const struct map_lookup *map)
 {
 	if (map->type & BTRFS_BLOCK_GROUP_RAID5)
 		return 1;
@@ -17,7 +17,7 @@ static inline int nr_parity_stripes(struct map_lookup *map)
 		return 0;
 }
 
-static inline int nr_data_stripes(struct map_lookup *map)
+static inline int nr_data_stripes(const struct map_lookup *map)
 {
 	return map->num_stripes - nr_parity_stripes(map);
 }