[PATCH 1/8] btrfstune: Remove fs_info arg from change_device_uuid

[Nikolay Borisov]

This function already takes an extent buffer that contains a reference
to the fs_info. Use that and reduce argument count. No functional
changes.

Signed-off-by: Nikolay Borisov <nbori...@suse.com>
---
 btrfstune.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/btrfstune.c b/btrfstune.c
index 889b931c55d8..723317a00f3a 100644
--- a/btrfstune.c
+++ b/btrfstune.c
@@ -179,10 +179,10 @@ static int change_extents_uuid(struct btrfs_fs_info 
*fs_info)
        return ret;
 }
 
-static int change_device_uuid(struct btrfs_fs_info *fs_info, struct 
extent_buffer *eb,
-                             int slot)
+static int change_device_uuid(struct extent_buffer *eb, int slot)
 {
        struct btrfs_dev_item *di;
+       struct btrfs_fs_info *fs_info = eb->fs_info;
        int ret = 0;
 
        di = btrfs_item_ptr(eb, slot, struct btrfs_dev_item);
@@ -217,7 +217,7 @@ static int change_devices_uuid(struct btrfs_fs_info 
*fs_info)
                if (key.type != BTRFS_DEV_ITEM_KEY ||
                    key.objectid != BTRFS_DEV_ITEMS_OBJECTID)
                        goto next;
-               ret = change_device_uuid(fs_info, path.nodes[0], path.slots[0]);
+               ret = change_device_uuid(path.nodes[0], path.slots[0]);
                if (ret < 0)
                        goto out;
 next:
-- 
2.7.4