From: William Lee Irwin III <wli@holomorphy.com>
To: "Paul E. McKenney" <paulmck@us.ibm.com>
Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org, akpm@digeo.com,
mjbligh@us.ibm.com
Subject: Re: [RFC][PATCH] Interface to invalidate regions of mmaps
Date: Tue, 13 May 2003 15:00:41 -0700 [thread overview]
Message-ID: <20030513220041.GW8978@holomorphy.com> (raw)
In-Reply-To: <20030513133636.C2929@us.ibm.com>
On Tue, May 13, 2003 at 01:36:36PM -0700, Paul E. McKenney wrote:
> This patch adds an API to allow networked and distributed filesystems
> to invalidate portions of (or all of) a file. This is needed to
> provide POSIX or near-POSIX semantics in such filesystems, as
> discussed on LKML late last year:
> http://marc.theaimsgroup.com/?l=linux-kernel&m=103609089604576&w=2
> http://marc.theaimsgroup.com/?l=linux-kernel&m=103167761917669&w=2
It looks possible to consolidate this with the internals of vmtruncate()
by passing in the maximum value representable by loff_t as the length.
-- wli
WARNING: multiple messages have this Message-ID (diff)
From: William Lee Irwin III <wli@holomorphy.com>
To: "Paul E. McKenney" <paulmck@us.ibm.com>
Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org, akpm@digeo.com,
mjbligh@us.ibm.com
Subject: Re: [RFC][PATCH] Interface to invalidate regions of mmaps
Date: Tue, 13 May 2003 15:00:41 -0700 [thread overview]
Message-ID: <20030513220041.GW8978@holomorphy.com> (raw)
In-Reply-To: <20030513133636.C2929@us.ibm.com>
On Tue, May 13, 2003 at 01:36:36PM -0700, Paul E. McKenney wrote:
> This patch adds an API to allow networked and distributed filesystems
> to invalidate portions of (or all of) a file. This is needed to
> provide POSIX or near-POSIX semantics in such filesystems, as
> discussed on LKML late last year:
> http://marc.theaimsgroup.com/?l=linux-kernel&m=103609089604576&w=2
> http://marc.theaimsgroup.com/?l=linux-kernel&m=103167761917669&w=2
It looks possible to consolidate this with the internals of vmtruncate()
by passing in the maximum value representable by loff_t as the length.
-- wli
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next prev parent reply other threads:[~2003-05-13 21:48 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-05-13 20:36 [RFC][PATCH] Interface to invalidate regions of mmaps Paul E. McKenney
2003-05-13 22:00 ` William Lee Irwin III [this message]
2003-05-13 22:00 ` William Lee Irwin III
2003-05-13 22:21 ` Andrew Morton
2003-05-13 22:21 ` Andrew Morton
2003-05-13 22:43 ` Paul E. McKenney
2003-05-13 22:43 ` Paul E. McKenney
2003-05-13 23:11 ` Zach Brown
2003-05-13 23:19 ` Andrew Morton
2003-05-13 23:19 ` Andrew Morton
2003-05-13 23:57 ` Zach Brown
2003-05-13 23:26 ` William Lee Irwin III
2003-05-13 23:26 ` William Lee Irwin III
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