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The 'copy_percent' function takes the 'extents_copied' field from each segment in an LV to create the numerator for the ratio that is to become the copy_percent. (Otherwise known as the 'sync' percent for non-pvmove uses, like mirror LVs and RAID LVs.) This function safely works on RAID - not just mirrors - so it is better to have it in lv_manip.c rather than mirror.c. There's a lot of different functions that do a lot of different things in lv_manip.c, so I placed the function near a function in lv_manip.c that it was close to in metadata-exported.h. Different placement in the file or a different name for the function may be useful.
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/linux-lvm 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.