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commit 509ba58eaa537a8db2e0bd41d8c56c52a68e8512
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Author: Peter Rajnoha <prajnoha@redhat.com>
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Date: Tue May 14 11:04:30 2013 +0200
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lvm2-2_02_99-fix-possible-deadlock-in-lvmetad-for-parallel-update-and-query.patch
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---
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WHATS_NEW | 1 +
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daemons/lvmetad/lvmetad-core.c | 2 +-
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2 files changed, 2 insertions(+), 1 deletion(-)
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diff --git a/WHATS_NEW b/WHATS_NEW
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index 25e07ee..4728466 100644
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--- a/WHATS_NEW
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+++ b/WHATS_NEW
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@@ -1,5 +1,6 @@
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Version 2.02.99 -
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===================================
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+ Fix possible deadlock when querying and updating lvmetad at the same time.
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Avoid a global lock in pvs when lvmetad is in use.
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Fix crash in pvscan --cache -aay triggered by non-mda PV.
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Fix lvm2app to return all property sizes in bytes.
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diff --git a/daemons/lvmetad/lvmetad-core.c b/daemons/lvmetad/lvmetad-core.c
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index 0a1c884..3f417da 100644
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--- a/daemons/lvmetad/lvmetad-core.c
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+++ b/daemons/lvmetad/lvmetad-core.c
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@@ -675,8 +675,8 @@ static int update_metadata(lvmetad_state *s, const char *name, const char *_vgid
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lock_vgid_to_metadata(s);
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old = dm_hash_lookup(s->vgid_to_metadata, _vgid);
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- lock_vg(s, _vgid);
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unlock_vgid_to_metadata(s);
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+ lock_vg(s, _vgid);
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seq = dm_config_find_int(metadata, "metadata/seqno", -1);
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