[PATCH] btrfs/disk-io.c: quiet sparse noise; local functions should be static

[H Hartley Sweeten]

Local functions should be marked static. This quiets the following
sparse noise:

warning: symbol 'write_all_supers' was not declared. Should it be static?

Signed-off-by: H Hartley Sweeten <hsweeten@xxxxxxxxxxxxxxxxxxx>
Cc: Chris Mason <chris.mason@xxxxxxxxxx>
linux-btrfs@xxxxxxxxxxxxxxx

---

diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 64b1c07..573669d 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -2322,7 +2322,7 @@ static int write_dev_supers(struct btrfs_device *device,
 	return errors < i ? 0 : -1;
 }
 
-int write_all_supers(struct btrfs_root *root, int max_mirrors)
+static int write_all_supers(struct btrfs_root *root, int max_mirrors)
 {
 	struct list_head *head;
 	struct btrfs_device *dev;
--
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