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loop: remove extra variable in lo_fallocate()

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The local variable q is used to pass it to the blk_queue_discard(). We
can get away with using lo->lo_queue instead of storing in a local
variable which is not used anywhere else.

No functional change in this patch.

Signed-off-by: Chaitanya Kulkarni <kch@nvidia.com>
Reviewed-by: Himanshu Madhani <himanshu.madhani@oracle.com>
Link: https://lore.kernel.org/r/20220215213310.7264-3-kch@nvidia.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Chaitanya Kulkarni 2022-02-15 13:33:08 -08:00 committed by Jens Axboe
parent b27824d31f
commit 0aab29b854
1 changed files with 1 additions and 2 deletions
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3
drivers/block/loop.c
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@ -308,12 +308,11 @@ static int lo_fallocate(struct loop_device *lo, struct request *rq, loff_t pos,
* a.k.a. discard/zerorange.
*/
struct file *file = lo->lo_backing_file;
struct request_queue *q = lo->lo_queue;
int ret;
mode |= FALLOC_FL_KEEP_SIZE;
if (!blk_queue_discard(q)) {
if (!blk_queue_discard(lo->lo_queue)) {
ret = -EOPNOTSUPP;
goto out;
}