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From: Wang Sheng-Hui <shhuiw@gmail.com>
To: Zheng Liu <gnehzuil.liu@gmail.com>
Cc: Theodore Ts'o <tytso@mit.edu>,
	Andreas Dilger <adilger.kernel@dilger.ca>,
	linux-ext4@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 1/2] ext4: fix the comment in ext4_ext_insert_extent for ext4_ext_try_to_merge in extents.c
Date: Sun, 08 Jul 2012 18:38:42 +0800	[thread overview]
Message-ID: <4FF96332.8080401@gmail.com> (raw)
In-Reply-To: <CANWLp03uEyPZUbUD+rO=AtRQPLVSvTMTJERhCX94Nfw-7QRtmQ@mail.gmail.com>

On 2012年07月07日 23:15, Zheng Liu wrote:
> Hi Sheng-Hui,
> 
> It seems that there has a patch to fix it.
> http://www.spinics.net/lists/linux-ext4/msg32611.html
> 
> Regards,
> Zheng

Got it. 

I didn't track the patch list. Just checked the git tree.

Thanks,

> 
> On Fri, Jul 6, 2012 at 2:26 PM, Wang Sheng-Hui <shhuiw@gmail.com> wrote:
>> The left and right extents merge is done by
>> ext4_ext_try_to_merge. No specific left/right
>> fun calls any more.
>>
>> Signed-off-by: Wang Sheng-Hui <shhuiw@gmail.com>
>> ---
>>  fs/ext4/extents.c |    4 +---
>>  1 files changed, 1 insertions(+), 3 deletions(-)
>>
>> diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
>> index 5207b7b..6c2a37d 100644
>> --- a/fs/ext4/extents.c
>> +++ b/fs/ext4/extents.c
>> @@ -1891,12 +1891,10 @@ has_space:
>>         nearex->ee_len = newext->ee_len;
>>
>>  merge:
>> -       /* try to merge extents to the right */
>> +       /* try to merge extents to the neighbours */
>>         if (!(flag & EXT4_GET_BLOCKS_PRE_IO))
>>                 ext4_ext_try_to_merge(inode, path, nearex);
>>
>> -       /* try to merge extents to the left */
>> -
>>         /* time to correct all indexes above */
>>         err = ext4_ext_correct_indexes(handle, inode, path);
>>         if (err)
>> --
>> 1.7.1
>>
>> --
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      reply	other threads:[~2012-07-08 10:38 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-07-06  6:26 [PATCH 1/2] ext4: fix the comment in ext4_ext_insert_extent for ext4_ext_try_to_merge in extents.c Wang Sheng-Hui
2012-07-07 15:15 ` Zheng Liu
2012-07-08 10:38   ` Wang Sheng-Hui [this message]

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