From: "Aneesh Kumar K.V" <aneesh.kumar@linux.vnet.ibm.com>
To: cmm@us.ibm.com, tytso@mit.edu, sandeen@redhat.com
Cc: linux-ext4@vger.kernel.org
Subject: Re: [PATCH -V4 1/2] ext4: Use EXT4_GROUP_INFO_NEED_INIT_BIT during resize
Date: Wed, 26 Nov 2008 00:57:34 +0530 [thread overview]
Message-ID: <20081125192734.GA26883@skywalker> (raw)
In-Reply-To: <1227641145-26775-1-git-send-email-aneesh.kumar@linux.vnet.ibm.com>
On Wed, Nov 26, 2008 at 12:55:44AM +0530, Aneesh Kumar K.V wrote:
> The new groups added during resize are flagged as
> need_init group. Make sure we properly initialize these
> groups. When we have block size < page size and we are adding
> new groups the page may still be marked uptodate even though
> we haven't initialized the group. While forcing the init
> of buddy cache we need to make sure other groups part of the
> same page of buddy cache is not using the cache.
> group_info->alloc_sem is added to ensure the same.
>
> FILENAME: aneesh-3-use_EXT4_GROUP_INFO_NEED_INIT_BIT-during-resize
>
The two patches only have comments updated after a really nice irc
discussion with Alex.
-aneesh
next prev parent reply other threads:[~2008-11-25 19:27 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-11-25 19:25 [PATCH -V4 1/2] ext4: Use EXT4_GROUP_INFO_NEED_INIT_BIT during resize Aneesh Kumar K.V
2008-11-25 19:25 ` [PATCH -V4 2/2] ext4: cleanup mballoc header files Aneesh Kumar K.V
2008-11-25 19:27 ` Aneesh Kumar K.V [this message]
2008-11-25 20:16 ` [PATCH -V4 1/2] ext4: Use EXT4_GROUP_INFO_NEED_INIT_BIT during resize Theodore Tso
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