usb: misc: cytherm: don't print on ENOMEM

[cascardo/linux.git] / block / bio.c

diff --git a/block/bio.c b/block/bio.c
index 54ee384..f394775 100644 (file)
--- a/block/bio.c
+++ b/block/bio.c
@@ -580,9 +580,11 @@ void __bio_clone_fast(struct bio *bio, struct bio *bio_src)
         */
        bio->bi_bdev = bio_src->bi_bdev;
        bio_set_flag(bio, BIO_CLONED);
-       bio->bi_rw = bio_src->bi_rw;
+       bio->bi_opf = bio_src->bi_opf;
        bio->bi_iter = bio_src->bi_iter;
        bio->bi_io_vec = bio_src->bi_io_vec;
+
+       bio_clone_blkcg_association(bio, bio_src);
 }
 EXPORT_SYMBOL(__bio_clone_fast);
 
@@ -661,7 +663,7 @@ struct bio *bio_clone_bioset(struct bio *bio_src, gfp_t gfp_mask,
        if (!bio)
                return NULL;
        bio->bi_bdev            = bio_src->bi_bdev;
-       bio->bi_rw              = bio_src->bi_rw;
+       bio->bi_opf             = bio_src->bi_opf;
        bio->bi_iter.bi_sector  = bio_src->bi_iter.bi_sector;
        bio->bi_iter.bi_size    = bio_src->bi_iter.bi_size;
 
@@ -687,6 +689,8 @@ integrity_clone:
                }
        }
 
+       bio_clone_blkcg_association(bio, bio_src);
+
        return bio;
 }
 EXPORT_SYMBOL(bio_clone_bioset);
@@ -869,7 +873,7 @@ int submit_bio_wait(struct bio *bio)
        init_completion(&ret.event);
        bio->bi_private = &ret;
        bio->bi_end_io = submit_bio_wait_endio;
-       bio->bi_rw |= REQ_SYNC;
+       bio->bi_opf |= REQ_SYNC;
        submit_bio(bio);
        wait_for_completion_io(&ret.event);
 
@@ -2004,6 +2008,17 @@ void bio_disassociate_task(struct bio *bio)
        }
 }
 
+/**
+ * bio_clone_blkcg_association - clone blkcg association from src to dst bio
+ * @dst: destination bio
+ * @src: source bio
+ */
+void bio_clone_blkcg_association(struct bio *dst, struct bio *src)
+{
+       if (src->bi_css)
+               WARN_ON(bio_associate_blkcg(dst, src->bi_css));
+}
+
 #endif /* CONFIG_BLK_CGROUP */
 
 static void __init biovec_init_slabs(void)