From: David Sterba <dsterba@suse.com>
Date: Fri, 27 Nov 2015 15:31:38 +0000 (+0100)
Subject: btrfs: use smaller type for btrfs_path reada
X-Git-Tag: v5.15~14124^2~26^2~10
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=dccabfad20880bc6c8be21b538df4293506b99f8;p=platform%2Fkernel%2Flinux-starfive.git

btrfs: use smaller type for btrfs_path reada

The possible values for reada are all positive and bounded, we can later
save some bytes by storing it in u8.

Signed-off-by: David Sterba <dsterba@suse.com>
---

diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index a1cf4c8..e5f9b96 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -596,7 +596,7 @@ struct btrfs_path {
 	int slots[BTRFS_MAX_LEVEL];
 	/* if there is real range locking, this locks field will change */
 	int locks[BTRFS_MAX_LEVEL];
-	int reada;
+	u8 reada;
 	/* keep some upper locks as we walk down */
 	int lowest_level;