block: add support for write hints in a bio

[karo-tx-linux.git] / block / bio.c

diff --git a/block/bio.c b/block/bio.c
index 89a51bd49ab75e814c20371d630430e722dea649..9cf98b29588aea532d0bcd1253ebe4eac254bc31 100644 (file)
--- a/block/bio.c
+++ b/block/bio.c
@@ -596,6 +596,7 @@ 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_opf = bio_src->bi_opf;
+       bio->bi_write_hint = bio_src->bi_write_hint;
        bio->bi_iter = bio_src->bi_iter;
        bio->bi_io_vec = bio_src->bi_io_vec;
 
@@ -679,6 +680,7 @@ struct bio *bio_clone_bioset(struct bio *bio_src, gfp_t gfp_mask,
                return NULL;
        bio->bi_bdev            = bio_src->bi_bdev;
        bio->bi_opf             = bio_src->bi_opf;
+       bio->bi_write_hint      = bio_src->bi_write_hint;
        bio->bi_iter.bi_sector  = bio_src->bi_iter.bi_sector;
        bio->bi_iter.bi_size    = bio_src->bi_iter.bi_size;