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-rw-r--r--block/bio.c19
1 files changed, 5 insertions, 14 deletions
diff --git a/block/bio.c b/block/bio.c
index 101c2a9b5481..5e901bfc0576 100644
--- a/block/bio.c
+++ b/block/bio.c
@@ -917,17 +917,9 @@ int bio_iov_iter_get_pages(struct bio *bio, struct iov_iter *iter)
}
EXPORT_SYMBOL_GPL(bio_iov_iter_get_pages);
-struct submit_bio_ret {
- struct completion event;
- int error;
-};
-
static void submit_bio_wait_endio(struct bio *bio)
{
- struct submit_bio_ret *ret = bio->bi_private;
-
- ret->error = blk_status_to_errno(bio->bi_status);
- complete(&ret->event);
+ complete(bio->bi_private);
}
/**
@@ -943,16 +935,15 @@ static void submit_bio_wait_endio(struct bio *bio)
*/
int submit_bio_wait(struct bio *bio)
{
- struct submit_bio_ret ret;
+ DECLARE_COMPLETION_ONSTACK(done);
- init_completion(&ret.event);
- bio->bi_private = &ret;
+ bio->bi_private = &done;
bio->bi_end_io = submit_bio_wait_endio;
bio->bi_opf |= REQ_SYNC;
submit_bio(bio);
- wait_for_completion_io(&ret.event);
+ wait_for_completion_io(&done);
- return ret.error;
+ return blk_status_to_errno(bio->bi_status);
}
EXPORT_SYMBOL(submit_bio_wait);