[Devel] [PATCH rh7 05/12] ploop: Add local variable into dio_submit()

[Kirill Tkhai]

This reduces amount of code.

Signed-off-by: Kirill Tkhai <ktk...@virtuozzo.com>
---
 drivers/block/ploop/io_direct.c |   17 +++++++++--------
 1 file changed, 9 insertions(+), 8 deletions(-)

diff --git a/drivers/block/ploop/io_direct.c b/drivers/block/ploop/io_direct.c
index 775ab7f64c03..3e207a7b9ff5 100644
--- a/drivers/block/ploop/io_direct.c
+++ b/drivers/block/ploop/io_direct.c
@@ -85,10 +85,11 @@ static int cached_submit(struct ploop_io *io, iblock_t iblk,
              struct bio_list * sbl, unsigned int size, bool use_prealloc);
 
 static void
-dio_submit(struct ploop_io *io, struct ploop_request * preq,
+dio_submit(struct ploop_io *io, struct ploop_request *preq,
           unsigned long rw,
           struct bio_list *sbl, iblock_t iblk, unsigned int size)
 {
+       struct ploop_device *plo = io->plo;
        struct bio_list bl;
        struct bio * bio = NULL;
        struct extent_map * em;
@@ -121,15 +122,15 @@ dio_submit(struct ploop_io *io, struct ploop_request * 
preq,
        }
 
        sec = sbl->head->bi_sector;
-       sec = ((sector_t)iblk << preq->plo->cluster_log) | (sec & 
((1<<preq->plo->cluster_log) - 1));
+       sec = ((sector_t)iblk << plo->cluster_log) | (sec & 
((1<<plo->cluster_log) - 1));
 
        em = extent_lookup_create(io, sec, size);
        if (IS_ERR(em))
                goto out_em_err;
 
        if (write && em->uninit) {
-               sector_t end = (sector_t)(iblk + 1) << preq->plo->cluster_log;
-               sec = (sector_t)iblk << preq->plo->cluster_log;
+               sector_t end = (sector_t)(iblk + 1) << plo->cluster_log;
+               sec = (sector_t)iblk << plo->cluster_log;
 
                if (em->start <= sec)
                        sec = em->end;
@@ -236,7 +237,7 @@ dio_submit(struct ploop_io *io, struct ploop_request * preq,
                b->bi_private = preq;
                b->bi_end_io = dio_endio_async;
 
-               ploop_acc_ff_out(preq->plo, rw2 | b->bi_rw);
+               ploop_acc_ff_out(plo, rw2 | b->bi_rw);
                submit_bio(rw2, b);
        }
 
@@ -249,9 +250,9 @@ dio_submit(struct ploop_io *io, struct ploop_request * preq,
        goto out;
 
 write_unint:
-       spin_lock_irq(&preq->plo->lock);
+       spin_lock_irq(&plo->lock);
        ploop_add_lockout(preq, 0);
-       spin_unlock_irq(&preq->plo->lock);
+       spin_unlock_irq(&plo->lock);
 
        err = cached_submit(io, iblk, preq, sbl, size, false);
        goto out;
@@ -259,7 +260,7 @@ dio_submit(struct ploop_io *io, struct ploop_request * preq,
 write_unint_fail:
        ploop_extent_put(em);
        err = -EIO;
-       ploop_msg_once(io->plo, "A part of cluster is in uninitialized 
extent.");
+       ploop_msg_once(plo, "A part of cluster is in uninitialized extent.");
        goto out;
 
 out_em_err:

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