block: move the BIO_NO_PAGE_REF check into bio_release_pages
Move the BIO_NO_PAGE_REF check into bio_release_pages instead of
duplicating it in both callers.
Also make the function available outside of bio.c so that we can
reuse it in other direct I/O implementations.
Reviewed-by: Minwoo Im <minwoo.im.dev@gmail.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
diff --git a/block/bio.c b/block/bio.c
index bb55b94..b35356c 100644
--- a/block/bio.c
+++ b/block/bio.c
@@ -845,11 +845,14 @@ static void bio_get_pages(struct bio *bio)
get_page(bvec->bv_page);
}
-static void bio_release_pages(struct bio *bio)
+void bio_release_pages(struct bio *bio)
{
struct bvec_iter_all iter_all;
struct bio_vec *bvec;
+ if (bio_flagged(bio, BIO_NO_PAGE_REF))
+ return;
+
bio_for_each_segment_all(bvec, bio, iter_all)
put_page(bvec->bv_page);
}
@@ -1681,8 +1684,7 @@ static void bio_dirty_fn(struct work_struct *work)
next = bio->bi_private;
bio_set_pages_dirty(bio);
- if (!bio_flagged(bio, BIO_NO_PAGE_REF))
- bio_release_pages(bio);
+ bio_release_pages(bio);
bio_put(bio);
}
}
@@ -1698,8 +1700,7 @@ void bio_check_pages_dirty(struct bio *bio)
goto defer;
}
- if (!bio_flagged(bio, BIO_NO_PAGE_REF))
- bio_release_pages(bio);
+ bio_release_pages(bio);
bio_put(bio);
return;
defer: