block/rnbd: Fix style issues

This patch fixes some style issues detected by scripts/checkpatch.pl
* Resolve spacing and tab issues
* Remove extra braces in rnbd_get_iu
* Use num_possible_cpus() instead of NR_CPUS in alloc_sess
* Fix the comments styling in rnbd_queue_rq

Signed-off-by: Dima Stepanov <dmitrii.stepanov@ionos.com>
Signed-off-by: Gioh Kim <gi-oh.kim@ionos.com>
Signed-off-by: Md Haris Iqbal <haris.iqbal@ionos.com>
Signed-off-by: Jack Wang <jinpu.wang@ionos.com>
Link: https://lore.kernel.org/r/20210428061359.206794-3-gi-oh.kim@ionos.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>

diff --git a/drivers/block/rnbd/rnbd-clt.c b/drivers/block/rnbd/rnbd-clt.c
index c01786afe1b1a3b7953167705470eba12d90360c..15f831159c315b5038ddd05cabb3917cabff7205 100644 (file)
--- a/drivers/block/rnbd/rnbd-clt.c
+++ b/drivers/block/rnbd/rnbd-clt.c
@@ -88,7 +88,7 @@ static int rnbd_clt_set_dev_attr(struct rnbd_clt_dev *dev,
        dev->discard_alignment      = le32_to_cpu(rsp->discard_alignment);
        dev->secure_discard         = le16_to_cpu(rsp->secure_discard);
        dev->rotational             = rsp->rotational;
-       dev->wc                     = !!(rsp->cache_policy & RNBD_WRITEBACK);
+       dev->wc                     = !!(rsp->cache_policy & RNBD_WRITEBACK);
        dev->fua                    = !!(rsp->cache_policy & RNBD_FUA);
 
        dev->max_hw_sectors = sess->max_io_size / SECTOR_SIZE;
@@ -351,9 +351,8 @@ static struct rnbd_iu *rnbd_get_iu(struct rnbd_clt_session *sess,
        struct rtrs_permit *permit;
 
        iu = kzalloc(sizeof(*iu), GFP_KERNEL);
-       if (!iu) {
+       if (!iu)
                return NULL;
-       }
 
        permit = rnbd_get_permit(sess, con_type, wait);
        if (unlikely(!permit)) {
@@ -805,7 +804,7 @@ static struct rnbd_clt_session *alloc_sess(const char *sessname)
        mutex_init(&sess->lock);
        INIT_LIST_HEAD(&sess->devs_list);
        INIT_LIST_HEAD(&sess->list);
-       bitmap_zero(sess->cpu_queues_bm, NR_CPUS);
+       bitmap_zero(sess->cpu_queues_bm, num_possible_cpus());
        init_waitqueue_head(&sess->rtrs_waitq);
        refcount_set(&sess->refcount, 1);
 
@@ -1148,7 +1147,8 @@ static blk_status_t rnbd_queue_rq(struct blk_mq_hw_ctx *hctx,
        iu->sgt.sgl = iu->first_sgl;
        err = sg_alloc_table_chained(&iu->sgt,
                                     /* Even-if the request has no segment,
-                                     * sglist must have one entry at least */
+                                     * sglist must have one entry at least.
+                                     */
                                     blk_rq_nr_phys_segments(rq) ? : 1,
                                     iu->sgt.sgl,
                                     RNBD_INLINE_SG_CNT);