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authorChristoph Hellwig <hch@lst.de>2018-06-01 19:03:07 +0300
committerDarrick J. Wong <darrick.wong@oracle.com>2018-06-02 04:37:33 +0300
commit6533b4e40d8be5f07336fc62ddaf35b1fb4028be (patch)
tree2846c75cd497f7e33a3fb7beae7d1bf158d04164 /fs/iomap.c
parent7ee66c03e40a570cbf641ff83c063f5209eb22b2 (diff)
downloadlinux-6533b4e40d8be5f07336fc62ddaf35b1fb4028be.tar.xz
iomap: use __bio_add_page in iomap_dio_zero
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> Reviewed-by: Dave Chinner <dchinner@redhat.com> Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com> Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Diffstat (limited to 'fs/iomap.c')
-rw-r--r--fs/iomap.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/fs/iomap.c b/fs/iomap.c
index df2652b0d85d..85901b449146 100644
--- a/fs/iomap.c
+++ b/fs/iomap.c
@@ -845,8 +845,7 @@ 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);