[Pkg-sysvinit-devel] Bug#620191: initscripts: [patch] Please support top-level /run
rleigh at codelibre.net
Thu Apr 7 14:46:20 UTC 2011
On Tue, Apr 05, 2011 at 06:55:18PM +0100, Roger Leigh wrote:
> On Sat, Apr 02, 2011 at 02:26:55PM +0100, Roger Leigh wrote:
> > Sorry for the patch flood. Final (hopefully) patch attached following
> > some further discussion on #debian-devel.
> > Note: versioned base-files dependency may require tweaking; waiting
> > on base-files upload.
> Just to let you know, base-files 6.2 was uploaded today, with
> /run as a new top-level directory. This is the base-files
> version we depend upon in debian/control, so the latest patch
> provided should be good to go (initscripts-run-transition9.patch).
> It would be great if this could be done soon, so that we can
> start transitioning packages to use /run in place of /dev/.xxx
> and /dev/shm/.xxx. This means upstreams can implement the changes
> now as other distributions are also doing the same transition.
Following the issues with udev using /run incorrectly, which caused
breakage when base-files introduced /run, I've adjusted the patch
- provide /run directly
- remove the base-files dependency
Additionally, I've tested upgrades of this version on a live system
(I'm using it to write this mail; previous patches were tested in kvm
VMs). It's working fine both before and after a reboot:
/dev/mapper/hufflepuff-root on / type ext3 (rw,relatime,user_xattr,errors=remount-ro)
tmpfs on /lib/init/rw type tmpfs (rw,nosuid,mode=0755)
tmpfs on /run type tmpfs (rw,nosuid,mode=0755)
proc on /proc type proc (rw,noexec,nosuid,nodev)
sysfs on /sys type sysfs (rw,noexec,nosuid,nodev)
udev on /dev type tmpfs (rw,mode=0755)
tmpfs on /dev/shm type tmpfs (rw,nosuid,nodev)
devpts on /dev/pts type devpts (rw,noexec,nosuid,gid=5,mode=620)
As you can see, /run is a tmpfs.
% ls /run
atd.pid cups postgresql sshd
avahi-daemon dbus radvd sshd.pid
ConsoleKit dhclient.eth0.pid rsyslogd.pid utmp
console-kit-daemon.pid lock samba xdm.pid
crond.pid motd screen
crond.reboot ntpd.pid sendsigs.omit.d
hufflepuff% ls /run/lock
% ls -ld /run /run/lock
drwxr-xr-x 13 root root 500 Apr 7 15:38 /run
drwxrwxrwt 3 root root 80 Apr 7 15:38 /run/lock
% ls -ld /var/run /var/lock
lrwxrwxrwx 1 root root 9 Apr 7 15:38 /var/lock -> /run/lock
lrwxrwxrwx 1 root root 4 Apr 7 15:38 /var/run -> /run
As you can see, it's all set up correctly to be completely backward
compatible with /var/run and /var/lock, including directory
permissions. All the system services using /var/run and /var/lock
are now transparently using /run and /run/lock via the compatibility
Summary: the patch is fine to upload now; there are no packages
we are waiting on for the transition. The patch has been tested both
in VMs and on a live system, and has been found to work correctly.
.''`. Roger Leigh
: :' : Debian GNU/Linux http://people.debian.org/~rleigh/
`. `' Printing on GNU/Linux? http://gutenprint.sourceforge.net/
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