[PATCH 4/5] iomap: add local 'iocb' variable in iomap_dio_bio_end_io()

[Jens Axboe <axboe@xxxxxxxxx>]

We use this multiple times, add a local variable for the kiocb.

Signed-off-by: Jens Axboe <axboe@xxxxxxxxx>
---
 fs/iomap/direct-io.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/fs/iomap/direct-io.c b/fs/iomap/direct-io.c
index 343bde5d50d3..94ef78b25b76 100644
--- a/fs/iomap/direct-io.c
+++ b/fs/iomap/direct-io.c
@@ -157,18 +157,20 @@ void iomap_dio_bio_end_io(struct bio *bio)
 		iomap_dio_set_error(dio, blk_status_to_errno(bio->bi_status));
 
 	if (atomic_dec_and_test(&dio->ref)) {
+		struct kiocb *iocb = dio->iocb;
+
 		if (dio->wait_for_completion) {
 			struct task_struct *waiter = dio->submit.waiter;
 			WRITE_ONCE(dio->submit.waiter, NULL);
 			blk_wake_io_task(waiter);
 		} else if ((bio->bi_opf & REQ_POLLED) ||
 			   !(dio->flags & IOMAP_DIO_WRITE)) {
-			WRITE_ONCE(dio->iocb->private, NULL);
+			WRITE_ONCE(iocb->private, NULL);
 			iomap_dio_complete_work(&dio->aio.work);
 		} else {
-			struct inode *inode = file_inode(dio->iocb->ki_filp);
+			struct inode *inode = file_inode(iocb->ki_filp);
 
-			WRITE_ONCE(dio->iocb->private, NULL);
+			WRITE_ONCE(iocb->private, NULL);
 			INIT_WORK(&dio->aio.work, iomap_dio_complete_work);
 			queue_work(inode->i_sb->s_dio_done_wq, &dio->aio.work);
 		}
-- 
2.40.1