From: Nikolay Borisov <nborisov@suse.com>
Date: Thu, 18 Jan 2018 12:47:06 +0000 (+0200)
Subject: btrfs: Use IS_ALIGNED in btrfs_truncate_block instead of opencoding it
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=b03ebd992ff329889d2e1f342cb75ee3ebc21adc;p=linux.git

btrfs: Use IS_ALIGNED in btrfs_truncate_block instead of opencoding it

No functional changes, just makes the code more readable

Signed-off-by: Nikolay Borisov <nborisov@suse.com>
Reviewed-by: Qu Wenruo <wqu@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
---

diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index d55aef46e8ae2..c5f31817778bc 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -4769,8 +4769,8 @@ int btrfs_truncate_block(struct inode *inode, loff_t from, loff_t len,
 	u64 block_start;
 	u64 block_end;
 
-	if ((offset & (blocksize - 1)) == 0 &&
-	    (!len || ((len & (blocksize - 1)) == 0)))
+	if (IS_ALIGNED(offset, blocksize) &&
+	    (!len || IS_ALIGNED(len, blocksize)))
 		goto out;
 
 	block_start = round_down(from, blocksize);