[Devel] [PATCH rh7] autofs: show pipe inode in mount options

[Konstantin Khorenko]

On 01/14/2016 04:48 PM, Konstantin Khorenko wrote:
> Andrey, please review.

Andrey?

>
> --
> Best regards,
>
> Konstantin Khorenko,
> Virtuozzo Linux Kernel Team
>
> On 12/03/2015 05:47 PM, Stanislav Kinsburskiy wrote:
>> https://jira.sw.ru/browse/PSBM-41961
>>
>> 03.12.2015 15:34, Stanislav Kinsburskiy пишет:
>>> This is required for CRIU to migrate a mount point, when write end in user
>>> space is closed.
>>>
>>> https://jira.sw.ru/browse/PSBM-41217
>>>
>>> Signed-off-by: Stanislav Kinsburskiy <skinsbursky at virtuozzo.com>
>>> ---
>>>     fs/autofs4/inode.c |    4 ++++
>>>     1 file changed, 4 insertions(+)
>>>
>>> diff --git a/fs/autofs4/inode.c b/fs/autofs4/inode.c
>>> index e9f2597..80cc5d7 100644
>>> --- a/fs/autofs4/inode.c
>>> +++ b/fs/autofs4/inode.c
>>> @@ -81,6 +81,10 @@ static int autofs4_show_options(struct seq_file *m, struct dentry *root)
>>>     		return 0;
>>>
>>>     	seq_printf(m, ",fd=%d", sbi->pipefd);
>>> +	if (sbi->pipe)
>>> +		seq_printf(m, ",pipe_ino=%ld", sbi->pipe->f_inode->i_ino);
>>> +	else
>>> +		seq_printf(m, ",pipe_ino=-1");
>>>     	if (!uid_eq(root_inode->i_uid, GLOBAL_ROOT_UID))
>>>     		seq_printf(m, ",uid=%u",
>>>     			from_kuid_munged(&init_user_ns, root_inode->i_uid));
>>>
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