Btrfs: make things static and include the right headers
Shut up various sparse warnings about symbols that should be either
static or have their declarations in scope.
Signed-off-by: Christoph Hellwig <hch@lst.de>
diff --git a/fs/btrfs/zlib.c b/fs/btrfs/zlib.c
index 5b9f700..c4617cd 100644
--- a/fs/btrfs/zlib.c
+++ b/fs/btrfs/zlib.c
@@ -30,6 +30,7 @@
#include <linux/sched.h>
#include <linux/pagemap.h>
#include <linux/bio.h>
+#include "compression.h"
/* Plan: call deflate() with avail_in == *sourcelen,
avail_out = *dstlen - 12 and flush == Z_FINISH.
