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-rw-r--r--include/linux/bio.h4
-rw-r--r--include/linux/blkdev.h2
2 files changed, 5 insertions, 1 deletions
diff --git a/include/linux/bio.h b/include/linux/bio.h
index a0b4cfdf62a4..f1a99f0a240c 100644
--- a/include/linux/bio.h
+++ b/include/linux/bio.h
@@ -106,6 +106,8 @@ static inline void *bio_data(struct bio *bio)
return NULL;
}
+extern unsigned int bio_max_size(struct bio *bio);
+
/**
* bio_full - check if the bio is full
* @bio: bio to check
@@ -119,7 +121,7 @@ static inline bool bio_full(struct bio *bio, unsigned len)
if (bio->bi_vcnt >= bio->bi_max_vecs)
return true;
- if (bio->bi_iter.bi_size > UINT_MAX - len)
+ if (bio->bi_iter.bi_size > bio_max_size(bio) - len)
return true;
return false;
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 1255823b2bc0..9fb255b48a57 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -326,6 +326,8 @@ enum blk_bounce {
};
struct queue_limits {
+ unsigned int bio_max_bytes;
+
enum blk_bounce bounce;
unsigned long seg_boundary_mask;
unsigned long virt_boundary_mask;