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Commit 471fa17d authored by Zhao Lei's avatar Zhao Lei Committed by Chris Mason
Browse files

Btrfs: Remove unnecessary finish_wait() in wait_current_trans() 



We only need to call finish_wait() after wait loop.

By the way, this patch makes code of waiting loop similar to
example in wait.h(no functional change)

Signed-off-by: default avatarZhao Lei <zhaolei@cn.fujitsu.com>
Signed-off-by: default avatarMiao Xie <miaox@cn.fujitsu.com>
Signed-off-by: default avatarChris Mason <chris.mason@oracle.com>
parent 90d2c51d

fs/btrfs/transaction.c

+5 −10
Original line number Diff line number Diff line
@@ -147,18 +147,13 @@ static void wait_current_trans(struct btrfs_root *root) 
		while (1) {

			prepare_to_wait(&root->fs_info->transaction_wait, &wait,

					TASK_UNINTERRUPTIBLE);

			if (cur_trans->blocked) {

			if (!cur_trans->blocked)

				break;

			mutex_unlock(&root->fs_info->trans_mutex);

			schedule();

			mutex_lock(&root->fs_info->trans_mutex);

				finish_wait(&root->fs_info->transaction_wait,

					    &wait);

			} else {

				finish_wait(&root->fs_info->transaction_wait,

					    &wait);

				break;

			}

		}

		finish_wait(&root->fs_info->transaction_wait, &wait);

		put_transaction(cur_trans);

	}

}