From: Nikanth Karthikesan <knikanth@suse.de>
To: Jens Axboe <jens.axboe@oracle.com>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: [PATCH] increment nr_tasks in io_context when CLONE_IO is set
Date: Tue, 15 Apr 2008 03:50:25 +0000 [thread overview]
Message-ID: <1208231425.27984.9.camel@zero100.blr.novell.com> (raw)
Increment the nr_tasks associated with the io_context when CLONE_IO flag
is set.
Signed-off-by: Nikanth Karthikesan <knikanth@suse.de>
--
diff --git a/kernel/fork.c b/kernel/fork.c
index dd249c3..01e843b 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -812,6 +812,7 @@ static int copy_io(unsigned long clone_f
tsk->io_context = ioc_task_link(ioc);
if (unlikely(!tsk->io_context))
return -ENOMEM;
+ atomic_inc(&tsk->io_context->nr_tasks);
} else if (ioprio_valid(ioc->ioprio)) {
tsk->io_context = alloc_io_context(GFP_KERNEL, -1);
if (unlikely(!tsk->io_context))
next reply other threads:[~2008-04-15 3:54 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-04-15 3:50 Nikanth Karthikesan [this message]
2008-04-15 7:24 ` Jens Axboe
[not found] ` <4804A6CF.BANGALORE.BLR.100.174746A.1.15A79.1@1:7.BANGALORE.BLR.100.0.1.0.1@16>
2008-04-16 3:35 ` Nikanth Karthikesan
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