Your message dated Thu, 22 Sep 2016 16:27:56 +0200
with message-id <f87cffa1-0faf-c19b-62e2-917993bac...@debian.org>
and subject line Re: Bug#824963: systemd-fsck run fsck for same disk in parallel
has caused the Debian Bug report #824963,
regarding systemd-fsck run fsck for same disk in parallel
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.

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-- 
824963: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=824963
Debian Bug Tracking System
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--- Begin Message ---
Package: systemd
Version: 215-17+deb8u4
Severity: wishlist
Tags: jessie patch fixed-upstream

Dear Maintainer,

When mounting several filesystems, systemd runs all fsck in parallel. This is very unoptimal when filesystems shares same (rotational) physical disk.
systemd-fsck had provision to run fsck with -l option, but it was
temporarily disabled due to locking conflict between fsck and udev.
This conflict was fixed in util-linux-2.25, and "fsck -l" option re-enabled in systemd-217. As jessie already has fixed version of util-linux (2.25.2), please consider cherry-pick commit v216-652-g48d3e8d (and maybe bump Depends on util-linux to 2.25 to reflect this) for next jessie point release.
(Debdiff attached).

-- Package-specific info:

-- System Information:
Debian Release: 8.3
  APT prefers stable-updates
APT policy: (500, 'stable-updates'), (500, 'stable'), (100, 'proposed-updates')
Architecture: i386 (x86_64)
Foreign Architectures: amd64

Kernel: Linux 3.16.0-4-amd64 (SMP w/2 CPU cores)
Locale: LANG=ru_RU.KOI8-R, LC_CTYPE=ru_RU.KOI8-R (charmap=KOI8-R)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)

Versions of packages systemd depends on:
ii  acl             2.2.52-2
ii  adduser         3.113+nmu3
ii  initscripts     2.88dsf-59
ii  libacl1         2.2.52-2
ii  libaudit1       1:2.4-1+b1
ii  libblkid1       2.25.2-6
ii  libc6           2.19-18+deb8u4
ii  libcap2         1:2.24-8
ii  libcap2-bin     1:2.24-8
ii  libcryptsetup4  2:1.6.6-5
ii  libgcrypt20     1.6.3-2+deb8u1
ii  libkmod2        18-3
ii  liblzma5        5.1.1alpha+20120614-2+b3
ii  libpam0g        1.1.8-3.1+deb8u1
ii  libselinux1     2.3-2
ii  libsystemd0     215-17+deb8u4
ii  mount           2.25.2-6
ii  sysv-rc         2.88dsf-59
ii  udev            215-17+deb8u4
ii  util-linux      2.25.2-6

Versions of packages systemd recommends:
ii  dbus            1.8.20-0+deb8u1
ii  libpam-systemd  215-17+deb8u4

Versions of packages systemd suggests:
ii  systemd-ui  3-2

-- no debconf information

diff -Nru systemd-215/debian/control systemd-215/debian/control
--- systemd-215/debian/control	2015-11-16 20:08:49.000000000 +0300
+++ systemd-215/debian/control	2016-03-26 01:01:40.000000000 +0300
@@ -51,7 +51,7 @@
 Depends: ${shlibs:Depends},
          ${misc:Depends},
          libsystemd0 (= ${binary:Version}),
-         util-linux (>= 2.19.1-2),
+         util-linux (>= 2.25),
          mount (>= 2.21),
          initscripts (>= 2.88dsf-53.2),
          sysv-rc,
diff -Nru systemd-215/debian/patches/fsck-re-enable-fsck-l.patch systemd-215/debian/patches/fsck-re-enable-fsck-l.patch
--- systemd-215/debian/patches/fsck-re-enable-fsck-l.patch	1970-01-01 03:00:00.000000000 +0300
+++ systemd-215/debian/patches/fsck-re-enable-fsck-l.patch	2016-03-26 01:02:22.000000000 +0300
@@ -0,0 +1,57 @@
+From 48d3e8d07f2978f001cc85b2dddb7f8ec9d07006 Mon Sep 17 00:00:00 2001
+From: Karel Zak <k...@redhat.com>
+Date: Wed, 22 Oct 2014 10:28:42 +0200
+Subject: [PATCH] fsck: re-enable fsck -l
+
+The -l (lock) has been temporary disabled due to conflict with
+udev (https://bugs.freedesktop.org/show_bug.cgi?id=79576)
+
+The problem is fixed since util-linux v2.25 (Jul 2014).
+---
+ README          |  3 ++-
+ src/fsck/fsck.c | 13 ++++---------
+ 2 files changed, 6 insertions(+), 10 deletions(-)
+
+diff --git a/README b/README
+index e0edd41..8f7a96e 100644
+--- a/README
++++ b/README
+@@ -129,8 +129,9 @@ REQUIREMENTS:
+         During runtime, you need the following additional
+         dependencies:
+ 
+-        util-linux >= v2.19 (requires fsck -l, agetty -s),
++        util-linux >= v2.19 required for agetty -s
+                       v2.21 required for tests in test/
++                      v2.25 required for fsck -l
+         dbus >= 1.4.0 (strictly speaking optional, but recommended)
+         sulogin (from util-linux >= 2.22 or sysvinit-tools, optional but recommended,
+                  required for tests in test/)
+diff --git a/src/fsck/fsck.c b/src/fsck/fsck.c
+index dfe97bc..70a5918 100644
+--- a/src/fsck/fsck.c
++++ b/src/fsck/fsck.c
+@@ -320,16 +320,11 @@ int main(int argc, char *argv[]) {
+         cmdline[i++] = "-T";
+ 
+         /*
+-         * Disable locking which conflict with udev's event
+-         * ownershipi, until util-linux moves the flock
+-         * synchronization file which prevents multiple fsck running
+-         * on the same rotationg media, from the disk device
+-         * node to a privately owned regular file.
+-         *
+-         * https://bugs.freedesktop.org/show_bug.cgi?id=79576#c5
+-         *
+-         * cmdline[i++] = "-l";
++         * Since util-linux v2.25 fsck uses /run/fsck/<diskname>.lock files.
++         * The previous versions use flock for the device and conflict with
++         * udevd, see https://bugs.freedesktop.org/show_bug.cgi?id=79576#c5
+          */
++        cmdline[i++] = "-l";
+ 
+         if (!root_directory)
+                 cmdline[i++] = "-M";
+-- 
+2.1.4
+
diff -Nru systemd-215/debian/patches/series systemd-215/debian/patches/series
--- systemd-215/debian/patches/series	2015-11-16 20:08:49.000000000 +0300
+++ systemd-215/debian/patches/series	2016-03-26 00:59:11.000000000 +0300
@@ -158,6 +158,7 @@
 sd-dhcp-client-make-request-broadcasts-configurable.patch
 make-sure-all-swap-units-are-ordered-before-the-swap-targ.patch
 nspawn-fix-network-interface.patch
+fsck-re-enable-fsck-l.patch
 
 ## Debian specific patches:
 Add-back-support-for-Debian-specific-config-files.patch


--- End Message ---
--- Begin Message ---
Am 27.05.2016 um 15:04 schrieb Michael Biebl:
> The change you propose seems reasonable to me and should be acceptable
> for stable. The debdiff looks ok to me and I consider pulling it into
> our jessie branch.
> For the upcoming stable point release 8.5 it's unfortunately too late.
> New uploads are only accepted until this weekend and I don't have the
> time to prepare an upload and get a review by the release team in time.
> So this will have to wait for 8.6.

I've tried to get this change into 8.6, but it was rejected by our
stable release managers. They were concerned about the tightened
util-linux dependency [1]. Seems I wasn't able to convince them with the
upgrade tests I did.

I'm therefor closing this bug report. If you are able to convince the
release managers yourself, feel free to reopen this bug report and I'll
be happy to include the fix in the next stable uploade.

Regards,
Michael


[1] https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=832336#25

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