Since commit 87374179 ("block: add a proper block layer data direction
encoding") we only OR the new op and flags into bi_opf in bio_set_op_attrs
instead of clearing the old value. I've not seen any breakage with the
new behavior, but it seems dangerous.
Signed-off-by: Christoph Hellwig <hch@xxxxxx>
---
include/linux/blk_types.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/include/linux/blk_types.h b/include/linux/blk_types.h
index 562ac46..67434fd 100644
--- a/include/linux/blk_types.h
+++ b/include/linux/blk_types.h
@@ -208,7 +208,7 @@ enum req_flag_bits {
/* obsolete, don't use in new code */
#define bio_set_op_attrs(bio, op, op_flags) \
- ((bio)->bi_opf |= (op | op_flags))
+ ((bio)->bi_opf = op | op_flags)
static inline bool op_is_write(unsigned int op)
{
--
2.1.4
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