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

[Andrew Vagin]

On Thu, Jan 14, 2016 at 04:48:17PM +0300, Konstantin Khorenko wrote:
> Andrey, please review.

Acked-by: Andrew Vagin <avagin at virtuozzo.com>

Pls, send it into lkml

> 
> --
> 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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