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    Subject[PATCH v1 04/27] block: loop: use bio_get_base_vec() to retrive bvec table
    Date
    Signed-off-by: Ming Lei <tom.leiming@gmail.com>
    ---
    drivers/block/loop.c | 5 +++--
    1 file changed, 3 insertions(+), 2 deletions(-)

    diff --git a/drivers/block/loop.c b/drivers/block/loop.c
    index 7e5e27a..e2e9dcd 100644
    --- a/drivers/block/loop.c
    +++ b/drivers/block/loop.c
    @@ -477,7 +477,7 @@ static int lo_rw_aio(struct loop_device *lo, struct loop_cmd *cmd,
    loff_t pos, bool rw)
    {
    struct iov_iter iter;
    - struct bio_vec *bvec;
    + const struct bio_vec *bvec;
    struct bio *bio = cmd->rq->bio;
    struct file *file = lo->lo_backing_file;
    int ret;
    @@ -485,7 +485,8 @@ static int lo_rw_aio(struct loop_device *lo, struct loop_cmd *cmd,
    /* nomerge for loop request queue */
    WARN_ON(cmd->rq->bio != cmd->rq->biotail);

    - bvec = __bvec_iter_bvec(bio->bi_io_vec, bio->bi_iter);
    + /* passed to iterate_bvec() */
    + bvec = bio_get_base_vec(bio);
    iov_iter_bvec(&iter, ITER_BVEC | rw, bvec,
    bio_segments(bio), blk_rq_bytes(cmd->rq));

    --
    1.9.1
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