Because call bio_alloc, the bi_rw is zero by default,but in bio_add_page
used the bi_rw. So evalue bi_rw.
Signed-off-by: Jianpeng Ma <redacted>
---
block/blk-lib.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/block/blk-lib.c b/block/blk-lib.c
index 2b461b4..fac777b 100644
--- a/block/blk-lib.c
+++ b/block/blk-lib.c
@@ -151,6 +151,7 @@ int blkdev_issue_zeroout(struct block_device *bdev, sector_t sector,
bio->bi_bdev = bdev;
bio->bi_end_io = bio_batch_end_io;
bio->bi_private = &bb;
+ bio->bi_rw = WRITE;
while (nr_sects != 0) {
sz = min((sector_t) PAGE_SIZE >> 9 , nr_sects);--
1.7.9.5
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