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[12/34] iomap: use __bio_add_page in iomap_dio_zero

Message ID 20180518164830.1552-13-hch@lst.de (mailing list archive)
State New, archived
Headers show

Commit Message

Christoph Hellwig May 18, 2018, 4:48 p.m. UTC 
We don't need any merging logic, and this also replaces a BUG_ON with a
WARN_ON_ONCE inside __bio_add_page for the impossible overflow condition.

Signed-off-by: Christoph Hellwig <hch@lst.de>
---
 fs/iomap.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)
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Patch

diff --git a/fs/iomap.c b/fs/iomap.c
index a859e15d7bec..6427627a247f 100644
--- a/fs/iomap.c
+++ b/fs/iomap.c
@@ -957,8 +957,7 @@  iomap_dio_zero(struct iomap_dio *dio, struct iomap *iomap, loff_t pos,
 	bio->bi_end_io = iomap_dio_bio_end_io;
 
 	get_page(page);
-	if (bio_add_page(bio, page, len, 0) != len)
-		BUG();
+	__bio_add_page(bio, page, len, 0);
 	bio_set_op_attrs(bio, REQ_OP_WRITE, REQ_SYNC | REQ_IDLE);
 
 	atomic_inc(&dio->ref);