linux-kernel - [PATCH 3/4] fs/ntfs3: Use clamp/max macros instead of comparisons

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Message-Id: <20210907142842.133181-4-kari.argillander@gmail.com>
Date:   Tue,  7 Sep 2021 17:28:41 +0300
From:   Kari Argillander <kari.argillander@...il.com>
To:     Konstantin Komarov <almaz.alexandrovich@...agon-software.com>,
        ntfs3@...ts.linux.dev
Cc:     Kari Argillander <kari.argillander@...il.com>,
        linux-kernel@...r.kernel.org
Subject: [PATCH 3/4] fs/ntfs3: Use clamp/max macros instead of comparisons

We can make code little more readable by using kernel macros clamp/max.

This were found with kernel included Coccinelle minmax script.

Signed-off-by: Kari Argillander <kari.argillander@...il.com>
---
 fs/ntfs3/fsntfs.c | 8 +++-----
 1 file changed, 3 insertions(+), 5 deletions(-)

diff --git a/fs/ntfs3/fsntfs.c b/fs/ntfs3/fsntfs.c
index 99d0a2799b0e..4a0a1aa085d5 100644
--- a/fs/ntfs3/fsntfs.c
+++ b/fs/ntfs3/fsntfs.c
@@ -8,6 +8,7 @@
 #include <linux/blkdev.h>
 #include <linux/buffer_head.h>
 #include <linux/fs.h>
+#include <linux/kernel.h>
 #include <linux/nls.h>
 
 #include "debug.h"
@@ -420,11 +421,8 @@ int ntfs_look_for_free_space(struct ntfs_sb_info *sbi, CLST lcn, CLST len,
 	/* How many clusters to cat from zone. */
 	zlcn = wnd_zone_bit(wnd);
 	zlen2 = zlen >> 1;
-	ztrim = len > zlen ? zlen : (len > zlen2 ? len : zlen2);
-	new_zlen = zlen - ztrim;
-
-	if (new_zlen < NTFS_MIN_MFT_ZONE)
-		new_zlen = NTFS_MIN_MFT_ZONE;
+	ztrim = clamp_val(len, zlen2, zlen);
+	new_zlen = max_t(size_t, zlen - ztrim, NTFS_MIN_MFT_ZONE);
 
 	wnd_zone_set(wnd, zlcn, new_zlen);
 
-- 
2.25.1