Re: [PATCH] fuse: use DIV_ROUND_UP helper macro for calculations

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ping ...

On 2021/5/25 15:40, Wu Bo wrote:
From: Wu Bo <wubo40@xxxxxxxxxx>

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

Signed-off-by: Wu Bo <wubo40@xxxxxxxxxx>
---
  fs/fuse/file.c | 2 +-
  1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/fuse/file.c b/fs/fuse/file.c
index 09ef2a4..62443eb 100644
--- 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);





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