From dcfd95cb5076c9ef421c19b9b22b3e01f03ce68e Mon Sep 17 00:00:00 2001 From: Joanne Koong Date: Tue, 20 Jan 2026 14:44:48 -0800 Subject: [PATCH] fuse: use DIV_ROUND_UP() for page count calculations Use DIV_ROUND_UP() instead of manually computing round-up division calculations. Reviewed-by: Darrick J. Wong Reviewed-by: Horst Birthelmer Signed-off-by: Joanne Koong Signed-off-by: Miklos Szeredi --- 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 18622bf805d6f..2c16b94357d51 100644 --- a/fs/fuse/dev.c +++ b/fs/fuse/dev.c @@ -1884,7 +1884,7 @@ 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 c61d80e0a70dc..7294bd347412c 100644 --- a/fs/fuse/file.c +++ b/fs/fuse/file.c @@ -2176,7 +2176,7 @@ 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