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When we need to clear dirty cache content of cached LV, there is table reload which usually is shortly followed by next metadata change. However udev can't (as of now) process udev event while device is 'suspended'. So whenever sequence of 'suspend/resume/suspend' is needed, we need to wait first for finishing of 'resume' processing before starting next 'suspend'. Otherwise there is 'race' danger of triggering unwantend umount by systemd as such event will trigger SYSTEMD_READY=0 state for a moment for such changed device. Such race is pretty ugly to trace so we may need to review more sequencies for missing 'sync'. (Other option is to enhnace 'udev' rules processing to avoid such dramatic actions to be happening for suspended devices).
This tree contains the LVM2 and device-mapper tools and libraries. For more information about LVM2 read the changelog in the WHATS_NEW file. Installation instructions are in INSTALL. There is no warranty - see COPYING and COPYING.LIB. Tarballs are available from: ftp://sources.redhat.com/pub/lvm2/ The source code is stored in git: http://git.fedorahosted.org/git/lvm2.git git clone git://git.fedorahosted.org/git/lvm2.git Mailing list for general discussion related to LVM2: linux-lvm@redhat.com Subscribe from https://www.redhat.com/mailman/listinfo/linux-lvm Mailing lists for LVM2 development, patches and commits: lvm-devel@redhat.com Subscribe from https://www.redhat.com/mailman/listinfo/lvm-devel lvm2-commits@lists.fedorahosted.org (Read-only archive of commits) Subscribe from https://fedorahosted.org/mailman/listinfo/lvm2-commits Mailing list for device-mapper development, including kernel patches and multipath-tools: dm-devel@redhat.com Subscribe from https://www.redhat.com/mailman/listinfo/dm-devel The source code repository used until 7th June 2012 is accessible here: http://sources.redhat.com/cgi-bin/cvsweb.cgi/LVM2/?cvsroot=lvm2.