From: Andrew Morton <akpm@osdl.org>
To: Alex Tomas <alex@clusterfs.com>,
cmm@us.ibm.com, Hugh Dickins <hugh@veritas.com>,
Mel Gorman <mel@skynet.ie>, "Martin J. Bligh" <mbligh@mbligh.org>,
linux-kernel@vger.kernel.org,
"linux-ext4@vger.kernel.org" <linux-ext4@vger.kernel.org>
Subject: Re: Boot failure with ext2 and initrds
Date: Thu, 16 Nov 2006 01:49:20 -0800 [thread overview]
Message-ID: <20061116014920.2a0f4d46.akpm@osdl.org> (raw)
In-Reply-To: <20061116014809.914a5425.akpm@osdl.org>
On Thu, 16 Nov 2006 01:48:09 -0800
Andrew Morton <akpm@osdl.org> wrote:
> On Thu, 16 Nov 2006 12:37:17 +0300
> Alex Tomas <alex@clusterfs.com> wrote:
>
> > >>>>> Andrew Morton (AM) writes:
> >
> > AM> What lock protects the fields in struct ext[234]_reserve_window from being
> > AM> concurrently modified by two CPUs? None, it seems. Ditto
> > AM> ext[234]_reserve_window_node. i_mutex will cover it for write(), but not
> > AM> for pageout over a file hole. If we end up with a zero- or negative-sized
> > AM> window then odd things might happen.
> >
> > truncate_mutex?
> >
>
> yes. hmm.
by which I mean "ext2 doesn't have a truncate_mutex".
next prev parent reply other threads:[~2006-11-16 9:50 UTC|newest]
Thread overview: 57+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20061114014125.dd315fff.akpm@osdl.org>
[not found] ` <20061114184919.GA16020@skynet.ie>
[not found] ` <Pine.LNX.4.64.0611141858210.11956@blonde.wat.veritas.com>
[not found] ` <20061114113120.d4c22b02.akpm@osdl.org>
[not found] ` <Pine.LNX.4.64.0611142111380.19259@blonde.wat.veritas.com>
[not found] ` <Pine.LNX.4.64.0611151404260.11929@blonde.wat.veritas.com>
2006-11-16 5:45 ` Boot failure with ext2 and initrds Andrew Morton
2006-11-16 6:39 ` Andrew Morton
2006-11-16 6:55 ` Mingming Cao
2006-11-16 7:22 ` Andrew Morton
2006-11-16 8:49 ` Mingming Cao
2006-11-16 9:13 ` Andrew Morton
2006-11-16 9:37 ` Alex Tomas
2006-11-16 9:48 ` Andrew Morton
2006-11-16 9:49 ` Andrew Morton [this message]
2006-11-16 16:26 ` Hugh Dickins
2006-11-16 20:15 ` Mingming Cao
2006-11-16 21:27 ` Andrew Morton
2006-11-20 16:19 ` Hugh Dickins
2006-11-20 20:54 ` Hugh Dickins
2006-11-21 1:36 ` Mingming Cao
2006-11-21 1:47 ` Mingming Cao
2006-11-21 5:39 ` Hugh Dickins
2006-11-22 0:43 ` Mingming Cao
2006-11-28 17:38 ` Hugh Dickins
2006-11-28 17:40 ` [PATCH 1/6] ext2 balloc: fix _with_rsv freeze Hugh Dickins
2006-11-28 19:26 ` Mingming Cao
2006-11-28 20:07 ` Hugh Dickins
2006-11-29 0:42 ` Mingming Cao
2006-11-29 4:14 ` [PATCH 6/12] " Mingming Cao
2006-11-29 4:15 ` [PATCH 12/12] ext3 " Mingming Cao
2006-11-28 17:40 ` [PATCH 2/6] ext2 balloc: reset windowsz when full Hugh Dickins
2006-11-28 19:36 ` Mingming Cao
2006-11-29 4:14 ` [PATCH 2/12] ext3 balloc: fix off-by-one against grp_goal Mingming Cao
2006-11-29 4:15 ` [PATCH 8/12] ext4 " Mingming Cao
2006-11-28 17:41 ` [PATCH 3/6] ext2 balloc: fix off-by-one against rsv_end Hugh Dickins
2006-11-28 19:42 ` Mingming Cao
2006-11-28 17:42 ` [PATCH 4/6] ext2 balloc: fix off-by-one against grp_goal Hugh Dickins
2006-11-28 23:30 ` Mingming Cao
2006-11-29 4:13 ` [PATCH 1/12] ext3 balloc: reset windowsz when full Mingming Cao
2006-11-29 5:46 ` Hugh Dickins
2006-11-29 4:14 ` [PATCH 3/12] ext3 balloc: fix off-by-one against rsv_end Mingming Cao
2006-11-29 4:14 ` [PATCH 7/12] ext4 balloc: reset windowsz when full Mingming Cao
2006-11-29 4:15 ` [PATCH 9/12] ext4 balloc: fix off-by-one against rsv_end Mingming Cao
2006-11-28 17:43 ` [PATCH 5/6] ext2 balloc: say rb_entry not list_entry Hugh Dickins
2006-11-28 23:30 ` Mingming Cao
2006-11-29 4:14 ` [PATCH 4/12] ext3 " Mingming Cao
2006-11-29 4:15 ` [PATCH 10/12] ext4 " Mingming Cao
2006-11-28 17:44 ` [PATCH 6/6] ext2 balloc: use io_error label Hugh Dickins
2006-11-28 23:31 ` Mingming Cao
2006-11-29 4:14 ` [PATCH 5/12] ext3 " Mingming Cao
2006-11-29 4:15 ` [PATCH 11/12] ext4 " Mingming Cao
2006-11-28 21:04 ` Boot failure with ext2 and initrds Mingming Cao
2006-11-28 22:33 ` Andrew Morton
2006-11-28 23:38 ` Mingming Cao
2006-11-16 12:34 ` Russell King
2006-11-25 14:59 ` Russell King
2006-11-29 7:40 ` Russell King
2006-11-29 8:30 ` Andrew Morton
2006-11-29 9:20 ` Russell King
2006-11-29 9:39 ` Andrew Morton
2006-11-29 18:16 ` Russell King
2006-11-20 2:24 ` [-mm patch] make ext2_get_blocks() static Adrian Bunk
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