[PATCH 4/7] btrfs-progs: Use list_for_each_entry in write_dev_all_supers

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No need to use extra variable and 2 macros when we can succintly use 1.

Signed-off-by: Nikolay Borisov <nborisov@xxxxxxxx>
---
 disk-io.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/disk-io.c b/disk-io.c
index f5edc4796619..3d8785d5bb37 100644
--- a/disk-io.c
+++ b/disk-io.c
@@ -1556,7 +1556,6 @@ static int write_dev_supers(struct btrfs_fs_info *fs_info,
 
 int write_all_supers(struct btrfs_fs_info *fs_info)
 {
-	struct list_head *cur;
 	struct list_head *head = &fs_info->fs_devices->devices;
 	struct btrfs_device *dev;
 	struct btrfs_super_block *sb;
@@ -1566,8 +1565,7 @@ int write_all_supers(struct btrfs_fs_info *fs_info)
 
 	sb = fs_info->super_copy;
 	dev_item = &sb->dev_item;
-	list_for_each(cur, head) {
-		dev = list_entry(cur, struct btrfs_device, dev_list);
+	list_for_each_entry(dev, head, dev_list) {
 		if (!dev->writeable)
 			continue;
 
-- 
2.7.4

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