From: Qu Wenruo <wqu@suse.com>
Date: Mon, 5 Mar 2018 08:09:12 +0000 (+0800)
Subject: btrfs-progs: free-space-cache: Use DIV_ROUND_UP() to replace open code
X-Git-Tag: upstream/4.16.1~82
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=bb338fb0f0ac780e5f2806e0b50ef27e84701b7c;hp=f44a0550123be92245943d832df64134c5fd6241;p=platform%2Fupstream%2Fbtrfs-progs.git

btrfs-progs: free-space-cache: Use DIV_ROUND_UP() to replace open code

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

diff --git a/free-space-cache.c b/free-space-cache.c
index 50356d0..f933f9f 100644
--- a/free-space-cache.c
+++ b/free-space-cache.c
@@ -54,8 +54,7 @@ static int io_ctl_init(struct io_ctl *io_ctl, u64 size, u64 ino,
 		       struct btrfs_root *root)
 {
 	memset(io_ctl, 0, sizeof(struct io_ctl));
-	io_ctl->num_pages = (size + root->fs_info->sectorsize - 1) /
-				root->fs_info->sectorsize;
+	io_ctl->num_pages = DIV_ROUND_UP(size, root->fs_info->sectorsize);
 	io_ctl->buffer = kzalloc(size, GFP_NOFS);
 	if (!io_ctl->buffer)
 		return -ENOMEM;