* Tue Aug 11 2015 Andrew Price <anprice@redhat.com> - 3.1.8-4
- gfs2-utils: Fix hang on withdraw - Install udev withdraw handler scripts
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Andrew Price
parent
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commit
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@ -12,7 +12,7 @@
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Name: gfs2-utils
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Version: 3.1.8
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Release: 3%{?dist}
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Release: 4%{?dist}
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License: GPLv2+ and LGPLv2+
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Group: System Environment/Kernel
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Summary: Utilities for managing the global file system (GFS2)
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@ -32,10 +32,12 @@ BuildRequires: check-devel
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Source: https://fedorahosted.org/released/gfs2-utils/gfs2-utils-%{version}.tar.gz
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URL: https://fedorahosted.org/cluster/wiki/HomePage
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Patch0: fsck_gfs2_replace_recent_i_goal_fixes_with_simple_logic.patch
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Patch1: gfs2_utils_Fix_hang_on_withdraw.patch
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%prep
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%setup -q -n gfs2-utils-%{version}
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%patch0 -p 1 -b .fsck_gfs2_replace_recent_i_goal_fixes_with_simple_logic
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%patch1 -p 1 -b .gfs2_utils_Fix_hang_on_withdraw
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%build
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./autogen.sh
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@ -52,6 +54,10 @@ rm -f %{buildroot}/usr/sbin/gfs2_trace
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rm -f %{buildroot}/usr/sbin/gfs2_lockcapture
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rm -f %{buildroot}%{_mandir}/man8/gfs2_trace.8
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rm -f %{buildroot}%{_mandir}/man8/gfs2_lockcapture.8
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# Install withdraw helper scripts
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install -m 755 gfs2/scripts/gfs2_wd_udev.sh %{buildroot}%{_sbindir}/
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install -D -m 644 gfs2/scripts/82-gfs2-withdraw.rules \
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%{buildroot}%{_prefix}/lib/udev/rules.d/82-gfs2-withdraw.rules
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%description
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The gfs2-utils package contains a number of utilities for creating,
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@ -68,10 +74,16 @@ file systems.
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%{_sbindir}/gfs2_convert
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%{_sbindir}/gfs2_edit
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%{_sbindir}/tunegfs2
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%{_sbindir}/gfs2_wd_udev.sh
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%{_mandir}/man8/*gfs2*
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%{_mandir}/man5/*
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%{_prefix}/lib/udev/rules.d/82-gfs2-withdraw.rules
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%changelog
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* Tue Aug 11 2015 Andrew Price <anprice@redhat.com> - 3.1.8-4
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- gfs2-utils: Fix hang on withdraw
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- Install udev withdraw handler scripts
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* Wed Jun 17 2015 Fedora Release Engineering <rel-eng@lists.fedoraproject.org> - 3.1.8-3
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- Rebuilt for https://fedoraproject.org/wiki/Fedora_23_Mass_Rebuild
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@ -0,0 +1,97 @@
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commit 4e9a8f12b74d61314e79904a0f02e42e99a98493
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Author: Abhi Das <adas@redhat.com>
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Date: Tue Aug 4 11:00:51 2015 -0500
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gfs2-utils: Fix hang on withdraw
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Issuing a withdraw on a gfs2 filesystem causes a hang. When
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gfs_controld was removed, the userspace functionality that
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completes a withdraw operation went away. This causes gfs2
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kernel to hang waiting for a withdraw completion ack from
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userspace.
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This patchset introduces a uevent-based shell script to do
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the job that gfs_controld used to do on withdraw. An 'offline'
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uevent triggers the execution of this script. This script
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suspends the device associated with the filesystem and signals
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a completed withdraw to the kernel.
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Resolves: rhbz#1225634
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Signed-off-by: Abhi Das <adas@redhat.com>
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diff --git a/README.build b/README.build
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index f4ebe53..6487bae 100644
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--- a/README.build
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+++ b/README.build
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@@ -29,5 +29,14 @@ To install gfs2-utils, run:
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make install
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+The following scripts (located in gfs2/scripts) are used to complete
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+the userland portion of the gfs2 withdraw feature using uevents. They
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+are not installed by 'make install' and need to be installed manually
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+or during rpm installation to the corresponding locations.
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+
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+ 82-gfs2-withdraw.rules in /etc/udev/rules.d/
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+ gfs2_wd_udev.sh in /usr/sbin/
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+
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See also doc/README.contributing for details on submitting patches and
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doc/README.tests for more details regarding the test suite.
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+
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diff --git a/gfs2/scripts/82-gfs2-withdraw.rules b/gfs2/scripts/82-gfs2-withdraw.rules
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new file mode 100644
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index 0000000..2228615
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--- /dev/null
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+++ b/gfs2/scripts/82-gfs2-withdraw.rules
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@@ -0,0 +1,2 @@
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+SUBSYSTEM=="gfs2", ACTION=="offline", RUN+="/bin/sh /usr/sbin/gfs2_wd_udev.sh"
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+
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diff --git a/gfs2/scripts/Makefile.am b/gfs2/scripts/Makefile.am
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index 62fb2fe..dde906f 100644
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--- a/gfs2/scripts/Makefile.am
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+++ b/gfs2/scripts/Makefile.am
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@@ -3,3 +3,8 @@ MAINTAINERCLEANFILES = Makefile.in
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dist_sbin_SCRIPTS = \
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gfs2_lockcapture \
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gfs2_trace
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+
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+noinst_SCRIPTS = \
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+ 82-gfs2-withdraw.rules \
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+ gfs2_wd_udev.sh
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+
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diff --git a/gfs2/scripts/gfs2_wd_udev.sh b/gfs2/scripts/gfs2_wd_udev.sh
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new file mode 100755
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index 0000000..ac3ce35
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--- /dev/null
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+++ b/gfs2/scripts/gfs2_wd_udev.sh
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@@ -0,0 +1,30 @@
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+#!/bin/sh
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+#
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+# Do not run this script manually. This script is called by udev on a gfs2
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+# withdraw uevent and is used to complete the withdraw action and notify the
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+# kernel.
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+#
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+
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+# Sanity checks
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+if [ "$SUBSYSTEM" != "gfs2" ] || [ "$LOCKPROTO" != "lock_dlm" ] ||
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+ [ -z "$DEVPATH" ] || [ "$ACTION" != "offline" ]
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+then
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+ exit 1 # Nothing to do here
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+fi
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+
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+# Try and suspend the device
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+SYSFS_TOPDIR="/sys"$DEVPATH
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+DM_NAME=$(cat "$SYSFS_TOPDIR/device/dm/name")
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+DM_DEV="/dev/mapper/"$DM_NAME
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+
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+if [ -z "$DM_DEV" ]
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+then
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+ /usr/bin/dmsetup suspend $DM_DEV
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+fi
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+
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+# Signal completion of withdraw
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+WD_ACK="$SYSFS_TOPDIR/lock_module/withdraw"
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+if [ -f "$WD_ACK" ]
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+then
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+ echo "1" > $WD_ACK
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+fi
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