From: Peter Pan <panweiping3@gmail.com>
To: Dan Carpenter <error27@gmail.com>,
Peter Pan <wppan@redflag-linux.com>,
jack@suse.cz, hch@lst.de, viro@zeniv.linux.org.uk,
npiggin@suse.de, jblunck@suse.de, linux-fsdevel@vger.kernel.org,
linux-ext4@vger.kernel.org, linux-kernel@vger.kernel.org,
kernel-janitors@vger.kernel.org
Subject: Re: [PATCH] ext2:delete misused ext2_free_blocks
Date: Thu, 01 Jul 2010 01:56:41 +0000 [thread overview]
Message-ID: <4C2BF5D9.8040100@gmail.com> (raw)
In-Reply-To: <20100630225754.GT19184@bicker>
On 07/01/2010 06:57 AM, Dan Carpenter wrote:
> On Wed, Jun 30, 2010 at 06:21:27PM +0800, Peter Pan wrote:
>
>> if ext2_new_blocks returns error, no blocks need to be freed.
>>
>>
> Hi Peter,
>
> Your patch isn't right. The original code is OK as is.
>
> Are you seeing a kernel panic? Perhaps we can help you fix it.
>
Oh, I know that the original code is good now.
I didn't see a kernel panic, thank you for your guide.
> regards,
> dan carpenter
>
>
>> Signed-off-by: Peter Pan<wppan@redflag-linux.com>
>> ---
>> fs/ext2/inode.c | 4 ++--
>> 1 files changed, 2 insertions(+), 2 deletions(-)
>>
>> diff --git a/fs/ext2/inode.c b/fs/ext2/inode.c
>> index 3675088..f858847 100644
>> --- a/fs/ext2/inode.c
>> +++ b/fs/ext2/inode.c
>> @@ -385,6 +385,8 @@ static int ext2_alloc_blocks(struct inode *inode,
>> ext2_fsblk_t current_block = 0;
>> int ret = 0;
>>
>> + *err = -ENOSPC;
>> +
>> /*
>> * Here we try to allocate the requested multiple blocks at once,
>> * on a best-effort basis.
>> @@ -421,8 +423,6 @@ static int ext2_alloc_blocks(struct inode *inode,
>> *err = 0;
>> return ret;
>> failed_out:
>> - for (i = 0; i<index; i++)
>> - ext2_free_blocks(inode, new_blocks[i], 1);
>> return ret;
>> }
>>
>> --
>> 1.6.6
>>
> --
> To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at http://vger.kernel.org/majordomo-info.html
> Please read the FAQ at http://www.tux.org/lkml/
>
>
Regards
--
Peter Pan
Red Flag Software Co.,Ltd
WARNING: multiple messages have this Message-ID (diff)
From: Peter Pan <panweiping3@gmail.com>
To: Dan Carpenter <error27@gmail.com>,
Peter Pan <wppan@redflag-linux.com>,
jack@suse.cz, hch@lst.de, viro@zeniv.linux.org.uk,
npiggin@suse.de, jblunck@suse.de, linux-fsdevel@vger.kernel.org,
linux-ext4@vger.kernel.org, linux-kernel@vger.kernel.org,
kernel-janitors@vger.kernel.org
Subject: Re: [PATCH] ext2:delete misused ext2_free_blocks
Date: Thu, 01 Jul 2010 09:56:41 +0800 [thread overview]
Message-ID: <4C2BF5D9.8040100@gmail.com> (raw)
In-Reply-To: <20100630225754.GT19184@bicker>
On 07/01/2010 06:57 AM, Dan Carpenter wrote:
> On Wed, Jun 30, 2010 at 06:21:27PM +0800, Peter Pan wrote:
>
>> if ext2_new_blocks returns error, no blocks need to be freed.
>>
>>
> Hi Peter,
>
> Your patch isn't right. The original code is OK as is.
>
> Are you seeing a kernel panic? Perhaps we can help you fix it.
>
Oh, I know that the original code is good now.
I didn't see a kernel panic, thank you for your guide.
> regards,
> dan carpenter
>
>
>> Signed-off-by: Peter Pan<wppan@redflag-linux.com>
>> ---
>> fs/ext2/inode.c | 4 ++--
>> 1 files changed, 2 insertions(+), 2 deletions(-)
>>
>> diff --git a/fs/ext2/inode.c b/fs/ext2/inode.c
>> index 3675088..f858847 100644
>> --- a/fs/ext2/inode.c
>> +++ b/fs/ext2/inode.c
>> @@ -385,6 +385,8 @@ static int ext2_alloc_blocks(struct inode *inode,
>> ext2_fsblk_t current_block = 0;
>> int ret = 0;
>>
>> + *err = -ENOSPC;
>> +
>> /*
>> * Here we try to allocate the requested multiple blocks at once,
>> * on a best-effort basis.
>> @@ -421,8 +423,6 @@ static int ext2_alloc_blocks(struct inode *inode,
>> *err = 0;
>> return ret;
>> failed_out:
>> - for (i = 0; i<index; i++)
>> - ext2_free_blocks(inode, new_blocks[i], 1);
>> return ret;
>> }
>>
>> --
>> 1.6.6
>>
> --
> To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at http://vger.kernel.org/majordomo-info.html
> Please read the FAQ at http://www.tux.org/lkml/
>
>
Regards
--
Peter Pan
Red Flag Software Co.,Ltd
next prev parent reply other threads:[~2010-07-01 1:56 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1277893287-25916-1-git-send-email-wppan@redflag-linux.com>
2010-06-30 22:57 ` [PATCH] ext2:delete misused ext2_free_blocks Dan Carpenter
2010-06-30 22:57 ` Dan Carpenter
2010-07-01 1:56 ` Peter Pan
2010-07-01 1:56 ` Peter Pan
2010-07-01 1:56 ` Peter Pan [this message]
2010-07-01 1:56 ` Peter Pan
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