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From: prajnoha@sourceware.org To: lvm-devel@redhat.com, lvm2-cvs@sourceware.org Subject: LVM2/lib/metadata pv.c Date: Mon, 21 Feb 2011 12:33:00 -0000 [thread overview] Message-ID: <20110221123316.6529.qmail@sourceware.org> (raw) CVSROOT: /cvs/lvm2 Module name: LVM2 Changes by: prajnoha@sourceware.org 2011-02-21 12:33:16 Modified files: lib/metadata : pv.c Log message: Fix metadata balance code to work with recent changes in metadata handling interface (with the changes in format_instance). Patches: http://sourceware.org/cgi-bin/cvsweb.cgi/LVM2/lib/metadata/pv.c.diff?cvsroot=lvm2&r1=1.8&r2=1.9 --- LVM2/lib/metadata/pv.c 2010/09/30 20:47:18 1.8 +++ LVM2/lib/metadata/pv.c 2011/02/21 12:33:16 1.9 @@ -248,13 +248,17 @@ { struct lvmcache_info *info; struct metadata_area *mda, *vg_mda, *tmda; - struct dm_list *vg_mdas_in_use, *vg_mdas_ignored; + struct dm_list *mdas_in_use, *mdas_ignored, *mdas_to_change; if (!(info = info_from_pvid((const char *)&pv->id.uuid, 0))) return_0; + mdas_in_use = &pv->fid->metadata_areas_in_use; + mdas_ignored = &pv->fid->metadata_areas_ignored; + mdas_to_change = mda_ignored ? mdas_in_use : mdas_ignored; + if (is_orphan(pv)) { - dm_list_iterate_items(mda, &info->mdas) + dm_list_iterate_items(mda, mdas_to_change) mda_set_ignored(mda, mda_ignored); return 1; } @@ -279,19 +283,19 @@ * list, ensuring the new state will get written to disk in the * vg_write() path. */ - vg_mdas_in_use = &pv->vg->fid->metadata_areas_in_use; - vg_mdas_ignored = &pv->vg->fid->metadata_areas_ignored; - + /* FIXME: Try not to update the cache here! Also, try to iterate over + * PV mdas only using the format instance's index somehow + * (i.e. try to avoid using mda_locn_match call). */ dm_list_iterate_items(mda, &info->mdas) { if (mda_is_ignored(mda) && !mda_ignored) /* Changing an ignored mda to one in_use requires moving it */ - dm_list_iterate_items_safe(vg_mda, tmda, vg_mdas_ignored) + dm_list_iterate_items_safe(vg_mda, tmda, mdas_ignored) if (mda_locns_match(mda, vg_mda)) { mda_set_ignored(vg_mda, mda_ignored); - dm_list_move(vg_mdas_in_use, &vg_mda->list); + dm_list_move(mdas_in_use, &vg_mda->list); } - dm_list_iterate_items_safe(vg_mda, tmda, vg_mdas_in_use) + dm_list_iterate_items_safe(vg_mda, tmda, mdas_in_use) if (mda_locns_match(mda, vg_mda)) /* Don't move mda: needs writing to disk. */ mda_set_ignored(vg_mda, mda_ignored);
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