On Thu, May 17, 2012 at 10:59:52PM -0400, koverstreet@xxxxxxxxxx wrote:
> diff --git a/fs/bio.c b/fs/bio.c
> index e2c0970..de0733e 100644
> --- a/fs/bio.c
> +++ b/fs/bio.c
> @@ -435,8 +435,9 @@ EXPORT_SYMBOL(bio_phys_segments);
> */
> void __bio_clone(struct bio *bio, struct bio *bio_src)
> {
> - memcpy(bio->bi_io_vec, bio_src->bi_io_vec,
> - bio_src->bi_max_vecs * sizeof(struct bio_vec));
> + memcpy(bio->bi_io_vec,
> + bio_iovec(bio_src),
Unnecessary line break.
> + bio_segments(bio_src) * sizeof(struct bio_vec));
>
> /*
> * most users will be overriding ->bi_bdev with a new target,
> @@ -445,10 +446,10 @@ void __bio_clone(struct bio *bio, struct bio *bio_src)
> bio->bi_sector = bio_src->bi_sector;
> bio->bi_bdev = bio_src->bi_bdev;
> bio->bi_flags |= 1 << BIO_CLONED;
> + bio->bi_flags &= ~(1 << BIO_SEG_VALID);
Can probably be conditionalized on bi_idx?
Thanks.
--
tejun
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