fuse: use DIV_ROUND_UP helper macro for calculations

Replace open coded divisor calculations with the DIV_ROUND_UP kernel macro
for better readability.

Signed-off-by: Wu Bo <wubo40@huawei.com>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>

diff --git a/fs/fuse/file.c b/fs/fuse/file.c
index ec20a1801c1b7da91013e7bfe5a139cf60c24b73..3f6ba68dfbbc9adfa24269ee6015bf90064713d9 100644 (file)
--- a/fs/fuse/file.c
+++ b/fs/fuse/file.c
@@ -1405,7 +1405,7 @@ static int fuse_get_user_pages(struct fuse_args_pages *ap, struct iov_iter *ii,
                nbytes += ret;
 
                ret += start;
-               npages = (ret + PAGE_SIZE - 1) / PAGE_SIZE;
+               npages = DIV_ROUND_UP(ret, PAGE_SIZE);
 
                ap->descs[ap->num_pages].offset = start;
                fuse_page_descs_length_init(ap->descs, ap->num_pages, npages);