drbd: Make use of PFN_UP helper macro

it's a refactor to make use of PFN_UP helper macro

Signed-off-by: Cai Huoqing <caihuoqing@baidu.com>
Reviewed-by: Christoph Böhmwalder <christoph.boehmwalder@linbit.com>
Link: https://lore.kernel.org/r/20220406190715.1938174-5-christoph.boehmwalder@linbit.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>

diff --git a/drivers/block/drbd/drbd_bitmap.c b/drivers/block/drbd/drbd_bitmap.c
index df25eec..9e060e4 100644 (file)
--- a/drivers/block/drbd/drbd_bitmap.c
+++ b/drivers/block/drbd/drbd_bitmap.c
@@ -683,7 +683,7 @@ int drbd_bm_resize(struct drbd_device *device, sector_t capacity, int set_new_bi
                }
        }
 
-       want = ALIGN(words*sizeof(long), PAGE_SIZE) >> PAGE_SHIFT;
+       want = PFN_UP(words*sizeof(long));
        have = b->bm_number_of_pages;
        if (want == have) {
                D_ASSERT(device, b->bm_pages != NULL);

diff --git a/drivers/block/drbd/drbd_receiver.c b/drivers/block/drbd/drbd_receiver.c
index ef812ea..c668643 100644 (file)
--- a/drivers/block/drbd/drbd_receiver.c
+++ b/drivers/block/drbd/drbd_receiver.c
@@ -364,7 +364,7 @@ drbd_alloc_peer_req(struct drbd_peer_device *peer_device, u64 id, sector_t secto
        struct drbd_device *device = peer_device->device;
        struct drbd_peer_request *peer_req;
        struct page *page = NULL;
-       unsigned nr_pages = (payload_size + PAGE_SIZE -1) >> PAGE_SHIFT;
+       unsigned nr_pages = PFN_UP(payload_size);
 
        if (drbd_insert_fault(device, DRBD_FAULT_AL_EE))
                return NULL;
@@ -1630,7 +1630,7 @@ int drbd_submit_peer_request(struct drbd_device *device,
        sector_t sector = peer_req->i.sector;
        unsigned data_size = peer_req->i.size;
        unsigned n_bios = 0;
-       unsigned nr_pages = (data_size + PAGE_SIZE -1) >> PAGE_SHIFT;
+       unsigned nr_pages = PFN_UP(data_size);
 
        /* TRIM/DISCARD: for now, always use the helper function
         * blkdev_issue_zeroout(..., discard=true).

diff --git a/drivers/block/drbd/drbd_worker.c b/drivers/block/drbd/drbd_worker.c
index 0f9956f..af3051d 100644 (file)
--- a/drivers/block/drbd/drbd_worker.c
+++ b/drivers/block/drbd/drbd_worker.c
@@ -1030,7 +1030,7 @@ static void move_to_net_ee_or_free(struct drbd_device *device, struct drbd_peer_
 {
        if (drbd_peer_req_has_active_page(peer_req)) {
                /* This might happen if sendpage() has not finished */
-               int i = (peer_req->i.size + PAGE_SIZE -1) >> PAGE_SHIFT;
+               int i = PFN_UP(peer_req->i.size);
                atomic_add(i, &device->pp_in_use_by_net);
                atomic_sub(i, &device->pp_in_use);
                spin_lock_irq(&device->resource->req_lock);