From: ebiederm-aS9lmoZGLiVWk0Htik3J/w@public.gmane.org (Eric W. Biederman)
To: Kyle Moffett <kyle-hoO6YkzgTuCM0SS3m2neIg@public.gmane.org>
Cc: "David C. Hansen"
<haveblue-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>,
bastian-yyjItF7Rl6lg9hUCZPvPmw@public.gmane.org,
ebiederm-aS9lmoZGLiVWk0Htik3J/w@public.gmane.org,
"H. Peter Anvin" <hpa-YMNOUZJC4hwAvxtiuMwx3w@public.gmane.org>,
containers-qjLDD68F18O7TbgM5vRIOg@public.gmane.org,
xemul-GEFAQzZX7r8dnm+yROfE0A@public.gmane.org,
alan-qBU/x9rampVanCEyBjwyrvXRex20P6io@public.gmane.org
Subject: Re: [RFC][PATCH 0/6] Enable multiple mounts of devpts
Date: Mon, 04 Aug 2008 23:15:30 -0700 [thread overview]
Message-ID: <m17iawm1h9.fsf@frodo.ebiederm.org> (raw)
In-Reply-To: <f73f7ab80808042157k1b22ef89sfa4a9f2dc2603c50-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org> (Kyle Moffett's message of "Tue, 5 Aug 2008 00:57:24 -0400")
> There definitely needs to be a mount option (and possibly a config
> option to forcibly enable the mount option). I personally have 5 or 6
> different custom scripts that depend on being able to unmount and
> remount devpts without losing access to the TTYs therein. Eventually
> I will need to port those over to use "mount --move", but it would be
> bad to have a random kernel upgrade just break my imaging/cloning
> system.
An interesting point. What should the semantics be. If we unmount /dev/pts
and people still have ptys open. -EBUSY? Except for lazy unmounts?
Eric
next prev parent reply other threads:[~2008-08-05 6:15 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-08-05 1:18 [RFC][PATCH 0/6] Enable multiple mounts of devpts sukadev-r/Jw6+rmf7HQT0dZR+AlfA
[not found] ` <20080805011844.GA14940-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
2008-08-05 1:22 ` [RFC][PATCH 1/6] Pass-in 'struct inode' to devpts interfaces sukadev-r/Jw6+rmf7HQT0dZR+AlfA
2008-08-05 1:22 ` [RFC][PATCH 2/6] Remove 'devpts_root' global sukadev-r/Jw6+rmf7HQT0dZR+AlfA
2008-08-05 1:23 ` [RFC][PATCH 3/6] Move 'allocated_ptys' to sb->s_s_fs_info sukadev-r/Jw6+rmf7HQT0dZR+AlfA
2008-08-05 1:23 ` [RFC][PATCH 4/6]: Allow mknod of ptmx in devpts sukadev-r/Jw6+rmf7HQT0dZR+AlfA
2008-08-05 1:24 ` [RFC][PATCH 5/6] Allow multiple mounts of devpts sukadev-r/Jw6+rmf7HQT0dZR+AlfA
2008-08-05 1:26 ` [RFC][PATCH 6/6]: /dev/tty tweak in init_dev() sukadev-r/Jw6+rmf7HQT0dZR+AlfA
[not found] ` <20080805012637.GF15360-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
2008-08-06 17:56 ` Serge E. Hallyn
[not found] ` <20080806175645.GA30753-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
2008-08-06 18:59 ` sukadev-r/Jw6+rmf7HQT0dZR+AlfA
[not found] ` <20080806185953.GA26435-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
2008-08-06 19:24 ` Serge E. Hallyn
2008-08-05 1:37 ` [RFC][PATCH 0/6] Enable multiple mounts of devpts H. Peter Anvin
[not found] ` <4897AECE.9060307-YMNOUZJC4hwAvxtiuMwx3w@public.gmane.org>
2008-08-05 1:53 ` sukadev-r/Jw6+rmf7HQT0dZR+AlfA
[not found] ` <20080805015334.GA16114-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
2008-08-05 2:07 ` H. Peter Anvin
[not found] ` <4897B5DC.10502-YMNOUZJC4hwAvxtiuMwx3w@public.gmane.org>
2008-08-05 4:57 ` Kyle Moffett
[not found] ` <f73f7ab80808042157k1b22ef89sfa4a9f2dc2603c50-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2008-08-05 6:15 ` Eric W. Biederman [this message]
[not found] ` <m17iawm1h9.fsf-B27657KtZYmhTnVgQlOflh2eb7JE58TQ@public.gmane.org>
2008-08-06 3:32 ` Kyle Moffett
[not found] ` <f73f7ab80808052032h483cd746i644e629fafe176b4-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2008-08-06 19:40 ` H. Peter Anvin
2008-08-05 1:55 ` H. Peter Anvin
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