From: Theodore Ts'o <tytso@mit.edu>
To: Lukas Czerner <lczerner@redhat.com>
Cc: linux-ext4@vger.kernel.org, gnehzuil.liu@gmail.com
Subject: Re: [PATCH 3/3] ext4: reserve metadata block for every delayed write
Date: Sun, 10 Mar 2013 22:52:19 -0400 [thread overview]
Message-ID: <20130311025219.GK10090@thunk.org> (raw)
In-Reply-To: <1362731059-3508-3-git-send-email-lczerner@redhat.com>
On Fri, Mar 08, 2013 at 09:24:19AM +0100, Lukas Czerner wrote:
> Currently we only reserve space (data+metadata) in delayed allocation if
> we're allocating from new cluster (which is always in non-bigalloc file
> system) which is ok for data blocks, because we reserve whole cluster.
>
> However we have to reserve metadata for every delayed block we're going
> to write because every block could potentially require metedata block
> when we need to grow the extent tree.
>
> Signed-off-by: Lukas Czerner <lczerner@redhat.com>
Thanks, applied.
- Ted
next prev parent reply other threads:[~2013-03-11 2:52 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-03-08 8:24 [PATCH 1/3] ext4: Reserve metadata if writing into uninitialized Lukas Czerner
2013-03-08 8:24 ` [PATCH 2/3] ext4: Update reserved space after the 'correction' Lukas Czerner
2013-03-11 2:50 ` Theodore Ts'o
2013-03-08 8:24 ` [PATCH 3/3] ext4: reserve metadata block for every delayed write Lukas Czerner
2013-03-11 2:52 ` Theodore Ts'o [this message]
2013-03-11 2:49 ` [PATCH 1/3] ext4: Reserve metadata if writing into uninitialized Theodore Ts'o
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