block: fix bad use of min() on different types
Just cast the page size to sector_t, that will always fit.
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
diff --git a/block/blk-lib.c b/block/blk-lib.c
index 886c3f9..d0216b9 100644
--- a/block/blk-lib.c
+++ b/block/blk-lib.c
@@ -124,6 +124,7 @@
static void bio_batch_end_io(struct bio *bio, int err)
{
struct bio_batch *bb = bio->bi_private;
+
if (err) {
if (err == -EOPNOTSUPP)
set_bit(BIO_EOPNOTSUPP, &bb->flags);
@@ -186,8 +187,8 @@
if (flags & BLKDEV_IFL_WAIT)
bio->bi_private = &bb;
- while(nr_sects != 0) {
- sz = min(PAGE_SIZE >> 9 , nr_sects);
+ while (nr_sects != 0) {
+ sz = min((sector_t) PAGE_SIZE >> 9 , nr_sects);
if (sz == 0)
/* bio has maximum size possible */
break;