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fuse: use DIV_ROUND_UP() for page count calculations

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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>
Signed-off-by: Miklos Szeredi <mszeredi@redhat.com>
This commit is contained in:
Joanne Koong
2026-01-20 14:44:48 -08:00
committed by Miklos Szeredi
parent 25307ca50b
commit dcfd95cb50
2 changed files with 2 additions and 2 deletions
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2
fs/fuse/dev.c
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@@ -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);

2
fs/fuse/file.c
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@@ -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)