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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>
This commit is contained in:
jun qian 2018-09-07 10:27:20 -07:00 committed by Jens Axboe
parent 7759eb23fd
commit 902d53914f
1 changed files with 2 additions and 2 deletions
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4
drivers/block/umem.c
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@ -421,7 +421,7 @@ static void process_page(unsigned long data)
struct cardinfo *card = (struct cardinfo *)data; struct cardinfo *card = (struct cardinfo *)data;
unsigned int dma_status = card->dma_status; unsigned int dma_status = card->dma_status;
spin_lock_bh(&card->lock); spin_lock(&card->lock);
if (card->Active < 0) if (card->Active < 0)
goto out_unlock; goto out_unlock;
page = &card->mm_pages[card->Active]; page = &card->mm_pages[card->Active];
@ -496,7 +496,7 @@ static void process_page(unsigned long data)
mm_start_io(card); mm_start_io(card);
} }
out_unlock: out_unlock:
spin_unlock_bh(&card->lock); spin_unlock(&card->lock);
while (return_bio) { while (return_bio) {
struct bio *bio = return_bio; struct bio *bio = return_bio;