[PATCH V7 08/24] block: bio_set_pages_dirty can't see NULL bv_page in a valid bio_vec
From: Ming Lei
Date: Wed Jun 27 2018 - 08:47:40 EST
From: Christoph Hellwig <hch@xxxxxx>
So don't bother handling it.
Reviewed-by: Ming Lei <ming.lei@xxxxxxxxxx>
Signed-off-by: Christoph Hellwig <hch@xxxxxx>
---
block/bio.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)
diff --git a/block/bio.c b/block/bio.c
index 77f991688810..de6cbaedfb65 100644
--- a/block/bio.c
+++ b/block/bio.c
@@ -1557,10 +1557,8 @@ void bio_set_pages_dirty(struct bio *bio)
int i;
bio_for_each_segment_all(bvec, bio, i) {
- struct page *page = bvec->bv_page;
-
- if (page && !PageCompound(page))
- set_page_dirty_lock(page);
+ if (!PageCompound(bvec->bv_page))
+ set_page_dirty_lock(bvec->bv_page);
}
}
EXPORT_SYMBOL_GPL(bio_set_pages_dirty);
--
2.9.5