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authorChristoph Hellwig <hch@lst.de>2018-07-24 15:04:13 +0300
committerJens Axboe <axboe@kernel.dk>2018-07-24 23:39:28 +0300
commit3bb5098310317ca62304bd21af6ccea57d799b06 (patch)
tree67273c4ef20f233c77023131c5e1eac6831d4f39 /block
parent24d5493f207ce0ce38df80ce86c907417e04594a (diff)
downloadlinux-3bb5098310317ca62304bd21af6ccea57d799b06.tar.xz
block: bio_set_pages_dirty can't see NULL bv_page in a valid bio_vec
So don't bother handling it. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Ming Lei <ming.lei@redhat.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'block')
-rw-r--r--block/bio.c6
1 files changed, 2 insertions, 4 deletions
diff --git a/block/bio.c b/block/bio.c
index 504b42278099..07d3ffd95989 100644
--- a/block/bio.c
+++ b/block/bio.c
@@ -1636,10 +1636,8 @@ 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);