lvm: Fix use of wrong lvm-nolocking config
lvm: Fix use of wrong lvm-nolocking config

We were using the wrong directory. Testing on Atomic revealed this
since the directory couldn't be created automatically (!) by ...
lvm_init() that is mkdir() would fail like this:

mkdir("/usr", 0777)                     = -1 EEXIST (File exists)
mkdir("/usr/libexec", 0777)             = -1 EEXIST (File exists)
mkdir("/usr/libexec/cockpit", 0777)     = -1 EROFS (Read-only file system)
  Failed to create LVM2 system dir for metadata backups, config files and internal cache.
  Set environment variable LVM_SYSTEM_DIR to alternative location or empty string.

Fixes #2149
Closes #2155
Reviewed-by: Marius Vollmer <bb11c6e942c5cc765df5f04da146b3198127a7a3@redhat.com>

larskarlitski/cockpit,larsu/cockpit,maxamillion/cockpit,cockpit-project/cockpit,Thermionix/cockpit,harishanand95/cockpit,stefwalter/cockpit,larskarlitski/cockpit,stefwalter/cockpit,netzvieh/cockpit,jscotka/cockpit,vbatts/cockpit,larskarlitski/cockpit,vanloswang/cockpit,harishanand95/cockpit,dperpeet/cockpit,Armstrong1992/cockpit,firebitsbr/cockpit,stefwalter/cockpit,SotolitoLabs/cockpit,Armstrong1992/cockpit,dperpeet/cockpit,larsu/cockpit,larskarlitski/cockpit,Armstrong1992/cockpit,Scribery/cockpit,nmav/cockpit,arilivigni/cockpit,harishanand95/cockpit,zigitax/cockpit,stefwalter/cockpit,FireDrunk/cockpit,petervo/cockpit,Thermionix/cockpit,evol262/cockpit,moolitayer/cockpit,vbatts/cockpit,Scribery/cockpit,netzvieh/cockpit,matobet/cockpit,larsu/cockpit,arilivigni/cockpit,haiyangd/cockpit_view,garrett/cockpit,larsu/cockpit,andreasn/cockpit,evol262/cockpit,petervo/cockpit,darioajr/cockpit,harishanand95/cockpit,andreasn/cockpit,deryni/cockpit,SotolitoLabs/cockpit,FireDrunk/cockpit,harishanand95/cockpit,SotolitoLabs/cockpit,deryni/cockpit,Thermionix/cockpit,sgallagher/cockpit,larskarlitski/cockpit,jscotka/cockpit,Thermionix/cockpit,zigitax/cockpit,firebitsbr/cockpit,moraleslazaro/cockpit,SotolitoLabs/cockpit,cockpituous/cockpit,garrett/cockpit,xhad/cockpit,mvollmer/cockpit,cockpituous/cockpit,arilivigni/cockpit,haiyangd/cockpit_view,cockpituous/cockpit,michalskrivanek/cockpit,FireDrunk/cockpit,martinpitt/cockpit,moraleslazaro/cockpit,mareklibra/cockpit,darioajr/cockpit,Armstrong1992/cockpit,vanloswang/cockpit,netzvieh/cockpit,zigitax/cockpit,Scribery/cockpit,harishanand95/cockpit,andreasn/cockpit,SotolitoLabs/cockpit,stefwalter/cockpit,mareklibra/cockpit,martinpitt/cockpit,garrett/cockpit,mvollmer/cockpit,dperpeet/cockpit,denysvitali/cockpit,petervo/cockpit,denysvitali/cockpit,fridex/cockpit,maxamillion/cockpit,moraleslazaro/cockpit,haiyangd/cockpit_view,vanloswang/cockpit,andreasn/cockpit,denysvitali/cockpit,cockpit-project/cockpit,moolitayer/cockpit,sgallagher/cockpit,michalskrivanek/cockpit,michalskrivanek/cockpit,netzvieh/cockpit,larskarlitski/cockpit,moraleslazaro/cockpit,SotolitoLabs/cockpit,Scribery/cockpit,xhad/cockpit,xhad/cockpit,xhad/cockpit,michalskrivanek/cockpit,fridex/cockpit,mareklibra/cockpit,darioajr/cockpit,nmav/cockpit,firebitsbr/cockpit,dperpeet/cockpit,vbatts/cockpit,firebitsbr/cockpit,Scribery/cockpit,nmav/cockpit,michalskrivanek/cockpit,arilivigni/cockpit,vbatts/cockpit,jscotka/cockpit,fridex/cockpit,mareklibra/cockpit,sgallagher/cockpit,matobet/cockpit,sgallagher/cockpit,Scribery/cockpit,Armstrong1992/cockpit,jscotka/cockpit,netzvieh/cockpit,larskarlitski/cockpit,arilivigni/cockpit,deryni/cockpit,mareklibra/cockpit,mvollmer/cockpit,petervo/cockpit,arilivigni/cockpit,Scribery/cockpit,harishanand95/cockpit,mareklibra/cockpit,deryni/cockpit,vbatts/cockpit,deryni/cockpit,mvollmer/cockpit,michalskrivanek/cockpit,dperpeet/cockpit,andreasn/cockpit,garrett/cockpit,vanloswang/cockpit,maxamillion/cockpit,cockpit-project/cockpit,petervo/cockpit,petervo/cockpit,arilivigni/cockpit,moolitayer/cockpit,Thermionix/cockpit,garrett/cockpit,moolitayer/cockpit,michalskrivanek/cockpit,nmav/cockpit,vbatts/cockpit,evol262/cockpit,moraleslazaro/cockpit,matobet/cockpit,deryni/cockpit,firebitsbr/cockpit,netzvieh/cockpit,evol262/cockpit,deryni/cockpit,denysvitali/cockpit,zigitax/cockpit,fridex/cockpit,matobet/cockpit,larsu/cockpit,cockpituous/cockpit,SotolitoLabs/cockpit,mvollmer/cockpit,jscotka/cockpit,Thermionix/cockpit,xhad/cockpit,zigitax/cockpit,evol262/cockpit,sgallagher/cockpit,maxamillion/cockpit,cockpituous/cockpit,darioajr/cockpit,matobet/cockpit,petervo/cockpit,cockpit-project/cockpit,andreasn/cockpit,cockpituous/cockpit,moraleslazaro/cockpit,sgallagher/cockpit,dperpeet/cockpit,xhad/cockpit,nmav/cockpit,vanloswang/cockpit,fridex/cockpit,sgallagher/cockpit,xhad/cockpit,fridex/cockpit,denysvitali/cockpit,mareklibra/cockpit,matobet/cockpit,stefwalter/cockpit,evol262/cockpit,FireDrunk/cockpit,stefwalter/cockpit,darioajr/cockpit,maxamillion/cockpit,moolitayer/cockpit,martinpitt/cockpit,martinpitt/cockpit,jscotka/cockpit,larsu/cockpit,vanloswang/cockpit,haiyangd/cockpit_view,martinpitt/cockpit,cockpit-project/cockpit,andreasn/cockpit,dperpeet/cockpit,moraleslazaro/cockpit,vanloswang/cockpit,haiyangd/cockpit_view,FireDrunk/cockpit