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block: add a BUILD_BUG_ON() for adding more bio flags than we have space
[platform/kernel/linux-starfive.git]
/
block
/
bio.c
diff --git
a/block/bio.c
b/block/bio.c
index
ab59a49
..
d7fbc7a
100644
(file)
--- a/
block/bio.c
+++ b/
block/bio.c
@@
-1792,6
+1792,8
@@
static int __init init_bio(void)
{
int i;
+ BUILD_BUG_ON(BIO_FLAG_LAST > 8 * sizeof_field(struct bio, bi_flags));
+
bio_integrity_init();
for (i = 0; i < ARRAY_SIZE(bvec_slabs); i++) {