io context sharing: preliminary support

Detach task state from ioc, instead keep track of how many processes are accessing the ioc. Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
2008-01-24 08:53:35 +01:00
parent fd0928df98
commit d38ecf935f
5 changed files with 49 additions and 23 deletions
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -805,7 +805,6 @@ static int copy_io(struct task_struct *tsk)
 		if (unlikely(!tsk->io_context))
 			return -ENOMEM;

-		tsk->io_context->task = tsk;
 		tsk->io_context->ioprio = ioc->ioprio;
 	}
 #endif