block: umem: replace spin_lock_bh with spin_lock in tasklet callback

As you are already in a tasklet, it is unnecessary to call spin_lock_bh.

Signed-off-by: jun qian <hangdianqj@163.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>

diff --git a/drivers/block/umem.c b/drivers/block/umem.c
index 5c7fb8c..9094ca6 100644 (file)
--- a/drivers/block/umem.c
+++ b/drivers/block/umem.c
@@ -421,7 +421,7 @@ static void process_page(unsigned long data)
        struct cardinfo *card = (struct cardinfo *)data;
        unsigned int dma_status = card->dma_status;
 
-       spin_lock_bh(&card->lock);
+       spin_lock(&card->lock);
        if (card->Active < 0)
                goto out_unlock;
        page = &card->mm_pages[card->Active];
@@ -496,7 +496,7 @@ static void process_page(unsigned long data)
                mm_start_io(card);
        }
  out_unlock:
-       spin_unlock_bh(&card->lock);
+       spin_unlock(&card->lock);
 
        while (return_bio) {
                struct bio *bio = return_bio;