linux-kernel - Re: [PATCH 1/2] ext4: MMP: kmmpd should use nodename from init_uts

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Message-ID: <4E7C6DC0.1020401@xyratex.com>
Date:	Fri, 23 Sep 2011 15:30:08 +0400
From:	Andrew Perepechko <andrew_perepechko@...atex.com>
To:	Nikitas Angelinas <nikitasangelinas@...il.com>
CC:	tytso@....edu, adilger.kernel@...ger.ca, adilger@...mcloud.com,
	johann@...mcloud.com, linux-ext4@...r.kernel.org,
	linux-kernel@...r.kernel.org, nikitas_angelinas@...atex.com
Subject: Re: [PATCH 1/2] ext4: MMP: kmmpd should use nodename from init_uts_ns.name,
 not sysname

Never mind, they are not relevant.

Andrew

On 09/23/2011 12:24 PM, Andrew Perepechko wrote:
> Hello Nikitas!
>
> It looks like some bits of your patches somehow got dropped.
>
> Andrew
>
> On 09/23/2011 04:23 AM, Nikitas Angelinas wrote:
>> sysname holds "Linux" by default, i.e. what appears when doing a "uname
>> -s"; nodename should be used to print the machine's hostname, i.e. what
>> is returned when doing a "uname -n" or "hostname", and what
>> gethostname(2)/sethostname(2) manipulate, in order to notify the
>> administrator of the node which is contending to mount the filesystem.
>>
>> Signed-off-by: Nikitas Angelinas<nikitas_angelinas@...atex.com>
>> Signed-off-by: Andrew Perepechko<andrew_perepechko@...atex.com>
>> ---
>>   fs/ext4/mmp.c |    2 +-
>>   1 files changed, 1 insertions(+), 1 deletions(-)
>>
>> diff --git a/fs/ext4/mmp.c b/fs/ext4/mmp.c
>> index 9bdef3f..2fca64e 100644
>> --- a/fs/ext4/mmp.c
>> +++ b/fs/ext4/mmp.c
>> @@ -109,7 +109,7 @@ static int kmmpd(void *data)
>>       mmp->mmp_check_interval = cpu_to_le16(mmp_check_interval);
>>       bdevname(bh->b_bdev, mmp->mmp_bdevname);
>>
>> -    memcpy(mmp->mmp_nodename, init_utsname()->sysname,
>> +    memcpy(mmp->mmp_nodename, init_utsname()->nodename,
>>              sizeof(mmp->mmp_nodename));
>>
>>       while (!kthread_should_stop()) {
>

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