Thread (8 messages) 8 messages, 2 authors, 2021-02-10
STALE1975d

[PATCH 2/4] bcache: use div_u64() in init_owner_info()

From: Coly Li <hidden>
Date: 2021-02-10 13:58:33
Also in: linux-bcache
Subsystem: bcache (block layer cache), the rest · Maintainers: Coly Li, Kent Overstreet, Linus Torvalds

Kernel test robot reports the build-in u64/u32 in init_owner_info()
doesn't work for m68k arch, the explict div_u64() should be used.

This patch explicit uses div_u64() to do the u64/u32 division on
32bit m68k arch.

Reported-by: kernel test robot <redacted>
Signed-off-by: Coly Li <redacted>
Cc: Jianpeng Ma <redacted>
Cc: Qiaowei Ren <redacted>
---
 drivers/md/bcache/nvm-pages.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/md/bcache/nvm-pages.c b/drivers/md/bcache/nvm-pages.c
index c350dcd696dd..8be761467d8f 100644
--- a/drivers/md/bcache/nvm-pages.c
+++ b/drivers/md/bcache/nvm-pages.c
@@ -521,7 +521,7 @@ static int init_owner_info(struct bch_nvm_namespace *ns)
 	only_set->owner_list_size = owner_list_head->size;
 	only_set->owner_list_used = owner_list_head->used;
 
-	remove_owner_space(ns, 0, ns->pages_offset/ns->page_size);
+	remove_owner_space(ns, 0, div_u64(ns->pages_offset, ns->page_size));
 
 	for (i = 0; i < owner_list_head->used; i++) {
 		owner_head = &owner_list_head->heads[i];
-- 
2.26.2
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