[PATCH v2 3/4] fuse: use DIV_ROUND_UP() for page count calculations

[Joanne Koong <joannelkoong@gmail.com>]

Use DIV_ROUND_UP() instead of manually computing round-up division
calculations.

Reviewed-by: "Darrick J. Wong" <djwong@kernel.org>
Reviewed-by: Horst Birthelmer <hbirthelmer@ddn.com>
Signed-off-by: Joanne Koong <joannelkoong@gmail.com>
---
 fs/fuse/dev.c  | 2 +-
 fs/fuse/file.c | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/fs/fuse/dev.c b/fs/fuse/dev.c
index 9cbd5b64d9c9..adfedf436b17 100644
--- a/fs/fuse/dev.c
+++ b/fs/fuse/dev.c
@@ -1882,7 +1882,7 @@ static int fuse_retrieve(struct fuse_mount *fm, struct inode *inode,
 	else if (num > file_size - pos)
 		num = file_size - pos;
 
-	num_pages = (num + offset + PAGE_SIZE - 1) >> PAGE_SHIFT;
+	num_pages = DIV_ROUND_UP(num + offset, PAGE_SIZE);
 	num_pages = min(num_pages, fc->max_pages);
 	num = min(num, num_pages << PAGE_SHIFT);
 
diff --git a/fs/fuse/file.c b/fs/fuse/file.c
index eba70ebf6e77..a4342b269cb9 100644
--- a/fs/fuse/file.c
+++ b/fs/fuse/file.c
@@ -2170,7 +2170,7 @@ static bool fuse_folios_need_send(struct fuse_conn *fc, loff_t pos,
 	WARN_ON(!ap->num_folios);
 
 	/* Reached max pages */
-	if ((bytes + PAGE_SIZE - 1) >> PAGE_SHIFT > fc->max_pages)
+	if (DIV_ROUND_UP(bytes, PAGE_SIZE) > fc->max_pages)
 		return true;
 
 	if (bytes > max_bytes)
-- 
2.47.3