From: Suparna Bhattacharya <suparna@in.ibm.com>
To: Benjamin LaHaise <bcrl@redhat.com>
Cc: William Lee Irwin III <wli@holomorphy.com>,
Janet Morgan <janetmor@us.ibm.com>,
akpm@digeo.com, linux-aio@kvack.org,
linux-kernel@vger.kernel.org
Subject: Re: [Patch 2/2] Retry based aio read - filesystem read changes
Date: Mon, 7 Apr 2003 09:21:13 +0530 [thread overview]
Message-ID: <20030407092113.A2137@in.ibm.com> (raw)
In-Reply-To: <20030331141629.I20730@redhat.com>; from bcrl@redhat.com on Mon, Mar 31, 2003 at 02:16:29PM -0500
On Mon, Mar 31, 2003 at 02:16:29PM -0500, Benjamin LaHaise wrote:
> On Mon, Mar 31, 2003 at 11:11:23AM -0800, William Lee Irwin III wrote:
> > Can you tell whether these are due to hash collisions or contention on
> > the same page?
>
> No, they're most likely waiting for io to complete.
>
> To clean this up I've got a patch to move from aio_read/write with all the
> parameters to a single parameter based rw-specific iocb. That makes the
> retry for read and write more ameniable to sharing common logic akin to the
> wtd_ ops, which we need at the very least for the semaphore operations.
Do you also have a patch for handling semaphore operations ?
Regards
Suparna
--
Suparna Bhattacharya (suparna@in.ibm.com)
Linux Technology Center
IBM Software Labs, India
next prev parent reply other threads:[~2003-04-07 3:38 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-03-05 9:17 [RFC][Patch] Retry based aio read for filesystems Suparna Bhattacharya
2003-03-05 9:26 ` [Patch 1/2] Retry based aio read - core aio changes Suparna Bhattacharya
2003-03-14 13:23 ` Suparna Bhattacharya
2003-03-05 9:30 ` [Patch 2/2] Retry based aio read - filesystem read changes Suparna Bhattacharya
2003-03-05 10:42 ` Andrew Morton
2003-03-05 12:14 ` Suparna Bhattacharya
2003-03-31 18:32 ` Janet Morgan
2003-03-31 19:11 ` William Lee Irwin III
2003-03-31 19:16 ` Benjamin LaHaise
2003-03-31 19:07 ` Janet Morgan
2003-04-01 20:24 ` Benjamin LaHaise
2003-03-31 19:17 ` William Lee Irwin III
2003-03-31 19:25 ` Benjamin LaHaise
2003-04-07 3:51 ` Suparna Bhattacharya [this message]
2003-03-05 23:00 ` [RFC][Patch] Retry based aio read for filesystems Janet Morgan
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