[PATCH 2/2] fs: direct-io: use DIV_ROUND_UP helper macro for calculations
flat view
STALE1956d
From: Wu Bo <hidden>
Date: 2021-05-25 08:08:36
Also in:
linux-fsdevel, lkml
Subsystem:
filesystems (vfs and infrastructure), the rest · Maintainers:
Alexander Viro, Christian Brauner, Linus Torvalds
From: Wu Bo <redacted> Replace open coded divisor calculations with the DIV_ROUND_UP kernel macro for better readability. Signed-off-by: Wu Bo <redacted> --- fs/direct-io.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/fs/direct-io.c b/fs/direct-io.c
index b2e86e7..6e7d402 100644
--- a/fs/direct-io.c
+++ b/fs/direct-io.c@@ -195,7 +195,7 @@ static inline int dio_refill_pages(struct dio *dio, struct dio_submit *sdio) iov_iter_advance(sdio->iter, ret); ret += sdio->from; sdio->head = 0; - sdio->tail = (ret + PAGE_SIZE - 1) / PAGE_SIZE; + sdio->tail = DIV_ROUND_UP(ret, PAGE_SIZE); sdio->to = ((ret - 1) & (PAGE_SIZE - 1)) + 1; return 0; }
--
1.8.3.1