btrfs: sink gfp parameter to clear_extent_bits

Callers pass GFP_NOFS and GFP_KERNEL. No need to pass the flags around.

Signed-off-by: David Sterba <dsterba@suse.com>
diff --git a/fs/btrfs/tests/extent-io-tests.c b/fs/btrfs/tests/extent-io-tests.c
index 70948b1..88e28e5 100644
--- a/fs/btrfs/tests/extent-io-tests.c
+++ b/fs/btrfs/tests/extent-io-tests.c
@@ -262,7 +262,7 @@
 	}
 	ret = 0;
 out_bits:
-	clear_extent_bits(&tmp, 0, total_dirty - 1, (unsigned)-1, GFP_KERNEL);
+	clear_extent_bits(&tmp, 0, total_dirty - 1, (unsigned)-1);
 out:
 	if (locked_page)
 		put_page(locked_page);