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LvmVg.cc
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LvmVg.cc
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/*
* Copyright (c) [2004-2014] Novell, Inc.
*
* All Rights Reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of version 2 of the GNU General Public License as published
* by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, contact Novell, Inc.
*
* To contact Novell about this file by physical or electronic mail, you may
* find current contact information at www.novell.com.
*/
#include <ostream>
#include <sstream>
#include "storage/LvmVg.h"
#include "storage/LvmLv.h"
#include "storage/Utils/SystemCmd.h"
#include "storage/Utils/AppUtil.h"
#include "storage/Storage.h"
#include "storage/SystemInfo/SystemInfo.h"
#include "storage/StorageDefines.h"
namespace storage
{
using namespace std;
static bool lvNotCreated( const LvmLv& l ) { return( !l.created() ); }
static bool lvNotDeletedCreated( const LvmLv& l ) { return( !l.created()&&!l.deleted() ); }
LvmVg::LvmVg(Storage* s, const string& name, const string& device, bool lvm1)
: PeContainer(s, name, device, staticType()), lvm1(lvm1)
{
y2deb("constructing LvmVg name:" << name << " lvm1:" << lvm1);
setCreated(true);
}
LvmVg::LvmVg(Storage* s, const string& name, const string& device, SystemInfo& systeminfo)
: PeContainer(s, name, device, staticType(), systeminfo), lvm1(false)
{
y2deb("constructing LvmVg name:" << name);
getVgData(name, systeminfo, false);
}
LvmVg::LvmVg(Storage* s, const xmlNode* node)
: PeContainer(s, staticType(), node), lvm1(false)
{
const list<const xmlNode*> l = getChildNodes(node, "logical_volume");
for (list<const xmlNode*>::const_iterator it = l.begin(); it != l.end(); ++it)
addToList(new LvmLv(*this, *it));
y2deb("constructed LvmVg " << dev);
}
LvmVg::LvmVg(const LvmVg& c)
: PeContainer(c), status(c.status), uuid(c.uuid), lvm1(c.lvm1)
{
y2deb("copy-constructed LvmVg " << dev);
ConstLvmLvPair p = c.lvmLvPair();
for (ConstLvmLvIter i = p.begin(); i != p.end(); ++i)
{
LvmLv* p = new LvmLv(*this, *i);
vols.push_back(p);
}
}
LvmVg::~LvmVg()
{
y2deb("destructed LvmVg " << dev);
}
void
LvmVg::saveData(xmlNode* node) const
{
PeContainer::saveData(node);
ConstLvmLvPair vp = lvmLvPair();
for (ConstLvmLvIter v = vp.begin(); v != vp.end(); ++v)
v->saveData(xmlNewChild(node, "logical_volume"));
}
static bool lvDeleted( const LvmLv& l ) { return( l.deleted() ); }
static bool lvCreated( const LvmLv& l ) { return( l.created() ); }
static bool lvResized( const LvmLv& l ) { return( l.extendSize()!=0 ); }
unsigned
LvmVg::numLv() const
{
return lvmLvPair(LvmLv::notDeleted).length();
}
int
LvmVg::removeVg()
{
int ret = 0;
y2mil("begin");
if( readonly() )
{
ret = LVM_CHANGE_READONLY;
}
if( ret==0 )
{
LvmLvPair p = lvmLvPair(LvmLv::notDeleted);
for( LvmLvIter i=p.begin(); i!=p.end(); ++i )
{
if( i->isSnapshot() && !created() )
ret = removeLv( i->name() );
}
for( LvmLvIter i=p.begin(); i!=p.end(); ++i )
{
if( !i->isSnapshot() && !i->isPool() )
{
if (i->isUsedBy())
getStorage()->removeUsing( i->device(), i->getUsedBy() );
if( !created() )
ret = removeLv( i->name() );
}
}
for( LvmLvIter i=p.begin(); i!=p.end(); ++i )
{
if( !i->isSnapshot() && i->isPool() && !created())
ret = removeLv( i->name() );
}
setDeleted();
}
if( ret==0 )
{
unuseDev();
}
y2mil("ret:" << ret);
return( ret );
}
int
LvmVg::extendVg( const string& dev )
{
return extendVg(list<string>({ dev }));
}
int
LvmVg::extendVg( const list<string>& devs )
{
int ret = 0;
y2mil( "name:" << name() << " devices:" << devs );
y2mil( "this:" << *this );
checkConsistency();
if( readonly() )
{
ret = LVM_CHANGE_READONLY;
}
else if( devs.empty() )
{
ret = LVM_LIST_EMPTY;
}
list<string>::const_iterator i=devs.begin();
list<Pv>::iterator p;
while( ret==0 && i!=devs.end() )
{
string d = normalizeDevice( *i );
if( (p=find( pv.begin(), pv.end(), d ))!=pv.end() ||
(p=find( pv_add.begin(), pv_add.end(), d ))!=pv_add.end())
ret = LVM_PV_ALREADY_CONTAINED;
else if( (p=find( pv_remove.begin(), pv_remove.end(), d )) !=
pv_remove.end() && !getStorage()->deletedDevice( d ) )
{
}
else if( !getStorage()->knownDevice( d, true ) )
{
ret = LVM_PV_DEVICE_UNKNOWN;
}
else if( !getStorage()->canUseDevice( d, true ) )
{
ret = LVM_PV_DEVICE_USED;
}
++i;
}
i=devs.begin();
while( ret==0 && i!=devs.end() )
{
string d = normalizeDevice( *i );
unsigned long pe = 0;
if( (p=find( pv_remove.begin(), pv_remove.end(), d )) !=
pv_remove.end() && !getStorage()->deletedDevice( d ) )
{
pv.push_back( *p );
pe = p->num_pe;
pv_remove.erase( p );
}
else
{
Pv pvn;
unsigned long long s = getStorage()->deviceSize( d );
pe = s > 4000 ? (s - 4000) / pe_size : 0;
pvn.num_pe = pvn.free_pe = pe;
pvn.device = d;
const Volume* v;
if (getStorage()->findVolume(d, v, true) && v->dmcrypt())
pvn.dmcryptDevice = v->dmcryptDevice();
pv_add.push_back( pvn );
if( !getStorage()->isDisk(d))
getStorage()->changeFormatVolume( d, false, FSNONE );
}
getStorage()->setUsedBy(d, UB_LVM, device());
free_pe += pe;
num_pe += pe;
calcSize();
++i;
}
if( ret==0 && pv_add.size()+pv.size()-pv_remove.size()<=0 )
ret = LVM_VG_HAS_NONE_PV;
if( ret==0 )
checkConsistency();
y2mil( "this:" << *this );
y2mil("ret:" << ret);
return( ret );
}
int
LvmVg::reduceVg( const string& dev )
{
list<string> l;
l.push_back( dev );
return( reduceVg( l ) );
}
int
LvmVg::reduceVg( const list<string>& devs )
{
int ret = 0;
y2mil("name:" << name() << " devices:" << devs);
y2mil("this:" << *this);
y2mil("add:" << pv_add.size() << " pv:" << pv.size() << " remove:" << pv_remove.size());
checkConsistency();
list<Pv> pl = pv;
list<Pv> pladd = pv_add;
list<Pv> plrem = pv_remove;
unsigned long rem_pe = 0;
if( readonly() )
{
ret = LVM_CHANGE_READONLY;
}
else if( devs.empty() )
{
ret = LVM_LIST_EMPTY;
}
list<string>::const_iterator i = devs.begin();
while( ret==0 && i!=devs.end() )
{
string d = normalizeDevice( *i );
ret = tryUnusePe( d, pl, pladd, plrem, rem_pe );
++i;
}
if( ret==0 && pv_add.size()+pv.size()-devs.size()<=0 )
ret = LVM_VG_HAS_NONE_PV;
if( ret == 0 )
{
pv = pl;
pv_add = pladd;
pv_remove = plrem;
free_pe -= rem_pe;
num_pe -= rem_pe;
calcSize();
}
if( ret==0 )
checkConsistency();
y2mil("this:" << *this);
y2mil("add:" << pv_add.size() << " pv:" << pv.size() << " remove:" << pv_remove.size());
y2mil("ret:" << ret);
return ret;
}
int
LvmVg::setPeSize( long long unsigned peSizeK )
{
int ret = 0;
y2mil("old:" << pe_size << " new:" << peSizeK);
if( peSizeK != pe_size )
{
unsigned long long old_pe = pe_size;
ret = PeContainer::setPeSize( peSizeK, lvm1 );
if( ret==0 )
{
LvmLvPair p=lvmLvPair();
LvmLvIter i=p.begin();
while( i!=p.end() )
{
i->modifyPeSize( old_pe, peSizeK );
++i;
}
}
}
y2mil("ret:" << ret);
return( ret );
}
int
LvmVg::createLv( const string& name, unsigned long long sizeK, unsigned stripe,
string& device )
{
int ret = 0;
y2mil("name:" << name << " sizeK:" << sizeK << " stripe:" << stripe);
checkConsistency();
if( readonly() )
{
ret = LVM_CHANGE_READONLY;
}
if( ret==0 && name.find( "\"\' /\n\t:*?" )!=string::npos )
{
ret = LVM_LV_INVALID_NAME;
}
if( ret==0 && findLv(name)!=NULL )
{
ret = LVM_LV_DUPLICATE_NAME;
}
unsigned long num_le = sizeToLe(sizeK);
if( stripe>1 )
num_le = ((num_le+stripe-1)/stripe)*stripe;
if( ret==0 && free_pe<num_le )
{
ret = LVM_LV_NO_SPACE;
}
map<string,unsigned long> pe_map;
if( ret==0 )
ret = addLvPeDistribution( num_le, stripe, pv, pv_add, pe_map );
if( ret==0 )
{
LvmLv* l = new LvmLv( *this, name, dev + "/" + name, "", num_le, stripe );
l->setCreated( true );
l->setPeMap( pe_map );
device = l->device();
free_pe -= num_le;
addToList( l );
}
if( ret==0 )
checkConsistency();
y2mil("ret:" << ret << " device:" << (ret?"":device));
return( ret );
}
int LvmVg::resizeVolume( Volume* v, unsigned long long newSize )
{
int ret = 0;
y2mil("newSizeK:" << newSize << " vol:" << v->name());
checkConsistency();
LvmLv * l = dynamic_cast<LvmLv *>(v);
if (readonly())
{
ret = LVM_CHANGE_READONLY;
}
else if (l->isSnapshot())
{
ret = LVM_LV_IS_SNAPSHOT;
}
else if (l->hasSnapshots())
{
ret = LVM_LV_HAS_SNAPSHOTS;
}
if (ret == 0)
{
unsigned long new_le = sizeToLe(newSize);
if( l->stripes()>1 )
new_le = ((new_le+l->stripes()-1)/l->stripes())*l->stripes();
newSize = new_le*pe_size;
if( l!=NULL )
{
if( new_le!=l->getLe() )
{
ret = v->canResize( newSize );
}
if( ret==0 && new_le!=l->getLe() )
{
map<string,unsigned long> pe_map = l->getPeMap();
list<Pv> pl = pv;
list<Pv> pladd = pv_add;
if( new_le<l->getLe() )
{
ret = remLvPeDistribution( l->getLe()-new_le, pe_map,
pl, pladd );
}
else
{
ret = addLvPeDistribution( new_le-l->getLe(), l->stripes(),
pl, pladd, pe_map );
}
if( ret==0 )
{
free_pe -= new_le-l->getLe();
pv = pl;
pv_add = pladd;
l->setLe( new_le );
l->setPeMap( pe_map );
if( v->created() )
l->calcSize();
else
v->setResizedSize( newSize );
}
}
}
else
{
ret = LVM_CHECK_RESIZE_INVALID_VOLUME;
}
}
if( ret==0 )
checkConsistency();
y2mil("ret:" << ret);
return( ret );
}
int
LvmVg::createPool( const string& name, unsigned long long sizeK,
string& device )
{
int ret = 0;
y2mil("name:" << name << " sizeK:" << sizeK);
ret = createLv( name, sizeK, 1, device );
if( ret==0 )
{
LvmLv* lv=findLv(name);
if( lv!=NULL )
lv->setPool();
else
ret = LVM_LV_NOT_IN_LIST;
}
y2mil("ret:" << ret);
return( ret );
}
int
LvmVg::changeChunkSize( const string& name, unsigned long long chunkSizeK )
{
int ret = 0;
y2mil("name:" << name << " sizeK:" << chunkSizeK);
LvmLv* i;
checkConsistency();
if( readonly() )
{
ret = LVM_CHANGE_READONLY;
}
if( ret==0 )
{
i = findLv(name);
if( i==NULL )
ret = LVM_LV_UNKNOWN_NAME;
else if( !i->isPool() && !i->isSnapshot())
ret = LVM_LV_NO_POOL_OR_SNAP;
else if( !i->created() )
ret = LVM_LV_ALREADY_ON_DISK;
}
if( ret==0 && i->chunkSize()!=chunkSizeK )
{
if( (i->isPool() && !checkChunk( chunkSizeK, 64, 1048576 )) ||
(i->isSnapshot() && !checkChunk( chunkSizeK, 4, 512 )))
ret=LVM_LV_INVALID_CHUNK_SIZE;
else
i->setChunkSize( chunkSizeK );
}
y2mil("ret:" << ret);
return( ret );
}
int
LvmVg::createThin( const string& name, const string& pool,
unsigned long long sizeK, string& device )
{
int ret = 0;
y2mil("name:" << name << " pool:" << pool << " sizeK:" << sizeK);
checkConsistency();
if( readonly() )
{
ret = LVM_CHANGE_READONLY;
}
if( ret==0 && name.find( "\"\' /\n\t:*?" )!=string::npos )
{
ret = LVM_LV_INVALID_NAME;
}
if( ret==0 && findLv(name)!=NULL )
{
ret = LVM_LV_DUPLICATE_NAME;
}
if( ret==0 )
{
LvmLv* i=findLv(pool);
if( i==NULL )
ret = LVM_LV_UNKNOWN_POOL;
else if( !i->isPool() )
ret = LVM_LV_NO_POOL;
}
if( ret==0 )
{
unsigned long num_le = sizeToLe(sizeK);
LvmLv* l = new LvmLv( *this, name, dev + "/" + name, "", num_le, 1 );
l->setCreated( true );
l->setUsedPool( pool );
l->setTargetName("thin");
device = l->device();
addToList( l );
}
if( ret==0 )
checkConsistency();
y2mil("ret:" << ret << " device:" << (ret?"":device));
return( ret );
}
int
LvmVg::removeVolume( Volume* v )
{
return( removeLv( v->name() ));
}
int
LvmVg::removeLv( const string& name )
{
int ret = 0;
y2mil("name:" << name);
LvmLv* i=NULL;
checkConsistency();
if( readonly() )
{
ret = LVM_CHANGE_READONLY;
}
if( ret==0 )
{
i = findLv(name);
if( i==NULL )
ret = LVM_LV_UNKNOWN_NAME;
else if (i->hasSnapshots())
ret = LVM_LV_HAS_SNAPSHOTS;
}
if (ret == 0 && i->isUsedBy())
{
if( getStorage()->getRecursiveRemoval() ||
getStorage()->isUsedBySingleBtrfs(*i) )
ret = getStorage()->removeUsing( i->device(), i->getUsedBy() );
else
ret = LVM_LV_REMOVE_USED_BY;
}
if( ret==0 && !i->isThin())
{
map<string,unsigned long> pe_map = i->getPeMap();
ret = remLvPeDistribution( i->getLe(), pe_map, pv, pv_add );
}
if( ret==0 )
{
if( !i->isThin() )
free_pe += i->getLe();
if( i->created() )
{
if( !removeFromList( &(*i) ))
ret = LVM_LV_NOT_IN_LIST;
}
else
i->setDeleted();
}
y2mil("ret:" << ret);
return( ret );
}
int
LvmVg::changeStripe( const string& name, unsigned long stripe )
{
int ret = 0;
y2mil("name:" << name << " stripe:" << stripe);
LvmLv* i;
checkConsistency();
if( readonly() )
{
ret = LVM_CHANGE_READONLY;
}
if( ret==0 )
{
i = findLv(name);
if( i==NULL )
ret = LVM_LV_UNKNOWN_NAME;
}
if( ret==0 && i->stripes()!=stripe )
{
if( !i->created() )
ret = LVM_LV_ALREADY_ON_DISK;
map<string,unsigned long> pe_map;
if( ret==0 )
{
pe_map = i->getPeMap();
ret = remLvPeDistribution( i->getLe(), pe_map, pv, pv_add );
}
if( ret==0 )
{
free_pe += i->getLe();
pe_map.clear();
unsigned long num_le = sizeToLe(i->sizeK());
if( stripe>1 )
num_le = ((num_le+stripe-1)/stripe)*stripe;
ret = addLvPeDistribution( num_le, stripe, pv, pv_add, pe_map );
if( ret==0 )
{
i->setPeMap( pe_map );
free_pe -= num_le;
i->setStripes( stripe );
}
else
free_pe -= i->getLe();
}
}
y2mil("ret:" << ret);
return( ret );
}
int
LvmVg::changeStripeSize( const string& name, unsigned long long stripeSize )
{
int ret = 0;
y2mil("name:" << name << " stripeSize:" << stripeSize);
LvmLv* i;
checkConsistency();
if( readonly() )
{
ret = LVM_CHANGE_READONLY;
}
if( ret==0 )
{
i = findLv(name);
if( i==NULL )
ret = LVM_LV_UNKNOWN_NAME;
}
if( ret==0 && !i->created() )
{
ret = LVM_LV_ALREADY_ON_DISK;
}
if( ret==0 && i->stripes()<=1 )
{
ret = LVM_LV_NO_STRIPE_SIZE;
}
if( ret==0 )
{
if( !checkChunk( stripeSize, 4, peSize() ))
ret=LVM_LV_INVALID_CHUNK_SIZE;
else
i->setStripeSize( stripeSize );
}
y2mil("ret:" << ret);
return( ret );
}
int
LvmVg::createLvSnapshot(const string& origin, const string& name,
unsigned long long cowSizeK, string& device)
{
int ret = 0;
device.erase();
y2mil("origin:" << origin << " name:" << name << " cowSizeK:" << cowSizeK );
checkConsistency();
if (readonly())
{
ret = LVM_CHANGE_READONLY;
}
if (ret == 0 && name.find("\"\' /\n\t:*?") != string::npos)
{
ret = LVM_LV_INVALID_NAME;
}
int stripe = 1;
bool thin = false;
if (ret == 0)
{
LvmLv* i = findLv(origin);
if (i == NULL)
ret = LVM_LV_UNKNOWN_ORIGIN;
else
{
stripe = i->stripes();
thin = i->isThin();
}
}
if (ret == 0)
{
if( findLv(name)!=NULL )
ret = LVM_LV_DUPLICATE_NAME;
}
unsigned long num_le = sizeToLe(cowSizeK);
if( stripe>1 )
num_le = ((num_le+stripe-1)/stripe)*stripe;
if (ret == 0 && free_pe < num_le)
{
ret = LVM_LV_NO_SPACE;
}
map<string, unsigned long> pe_map;
if (ret == 0 && !thin )
ret = addLvPeDistribution(num_le, stripe, pv, pv_add, pe_map);
if (ret == 0)
{
LvmLv* l = new LvmLv(*this, name, dev + "/" + name, origin, num_le, stripe);
l->setCreated(true);
l->setPeMap(pe_map);
device = l->device();
free_pe -= num_le;
addToList(l);
}
if (ret == 0)
checkConsistency();
y2mil("ret:" << ret << " device:" << device);
return ret;
}
int
LvmVg::removeLvSnapshot(const string& name)
{
int ret = 0;
y2mil("name:" << name);
if( ret==0 )
{
LvmLv* i = findLv(name);
if (i==NULL)
ret = LVM_LV_UNKNOWN_NAME;
else if (!i->isSnapshot())
ret = LVM_LV_NOT_SNAPSHOT;
}
if (ret == 0)
{
ret = removeLv(name);
}
y2mil("ret:" << ret);
return ret;
}
int
LvmVg::getLvSnapshotState(const string& name, LvmLvSnapshotStateInfo& info)
{
int ret = 0;
y2mil("name:" << name);
checkConsistency();
LvmLv* i = findLv(name);
if (i==NULL)
ret = LVM_LV_UNKNOWN_NAME;
else if (!i->isSnapshot())
ret = LVM_LV_NOT_SNAPSHOT;
if (ret == 0 && i->created())
{
ret = LVM_LV_NOT_ON_DISK;
}
if (ret == 0)
{
i->getState(info);
}
y2mil("ret:" << ret);
return ret;
}
void
LvmVg::getVgData(const string& name, SystemInfo& systeminfo, bool exists)
{
y2mil("name:" << name);
const CmdVgdisplay& cmdvgdisplay = systeminfo.getCmdVgdisplay(name);
if (exists && cmdvgdisplay.lvm1 != lvm1)
y2war("inconsistent lvm1 my:" << lvm1 << " lvm:" << cmdvgdisplay.lvm1);
if (exists && cmdvgdisplay.pe_size != pe_size)
y2war("inconsistent pe_size my:" << pe_size << " lvm:" << cmdvgdisplay.pe_size);
uuid = cmdvgdisplay.uuid;
status = cmdvgdisplay.status;
pe_size = cmdvgdisplay.pe_size;
num_pe = cmdvgdisplay.num_pe;
free_pe = cmdvgdisplay.free_pe;
ronly = cmdvgdisplay.read_only;
lvm1 = cmdvgdisplay.lvm1;
calcSize();
for (const CmdVgdisplay::LvEntry& lv_entry : cmdvgdisplay.lv_entries)
{
addLv(lv_entry.origin.empty() ? lv_entry.num_le : lv_entry.num_cow_le,
lv_entry.name, lv_entry.origin, lv_entry.uuid, lv_entry.status,
lv_entry.read_only, lv_entry.pool, lv_entry.used_pool,
lv_entry.pool_chunk, systeminfo);
calcSize();
}
for (const CmdVgdisplay::PvEntry& pv_entry : cmdvgdisplay.pv_entries)
{
Pv pv;
pv.device = pv_entry.device;
pv.uuid = pv_entry.uuid;
pv.status = pv_entry.status;
pv.num_pe = pv_entry.num_pe;
pv.free_pe = pv_entry.free_pe;
addPv(pv);
const Volume* v;
if (getStorage()->findVolume(pv.device, v, true))
{
pv.device = v->device();
pv.dmcryptDevice = v->dmcryptDevice();
}
calcSize();
}
LvmLvPair p=lvmLvPair(lvDeleted);
for( LvmLvIter i=p.begin(); i!=p.end(); ++i )
{
if( !i->isThin() )
{
map<string,unsigned long> pe_map = i->getPeMap();
remLvPeDistribution( i->getLe(), pe_map, pv, pv_add );
free_pe += i->getLe();
}
}
p=lvmLvPair(lvCreated);
for( LvmLvIter i=p.begin(); i!=p.end(); ++i )
{
if( !i->isThin() )
{
map<string,unsigned long> pe_map;
if( addLvPeDistribution( i->getLe(), i->stripes(), pv, pv_add,
pe_map ) == 0 )
i->setPeMap( pe_map );
free_pe -= min((unsigned long long) free_pe, i->getLe());
}
}
p=lvmLvPair(lvResized);
for( LvmLvIter i=p.begin(); i!=p.end(); ++i )
{
if( !i->isThin() )
{
map<string,unsigned long> pe_map = i->getPeMap();
long size_diff = i->getLe() - sizeToLe(i->origSizeK());
if( size_diff>0 )
{
if( addLvPeDistribution( size_diff, i->stripes(), pv, pv_add,
pe_map ) == 0 )
i->setPeMap( pe_map );
}
else if( size_diff<0 )
{
if( remLvPeDistribution( -size_diff, pe_map, pv, pv_add )==0 )
i->setPeMap( pe_map );
}
free_pe -= size_diff;
}
}
}
void
LvmVg::addLv(unsigned long le, const string& name, const string& origin, const string& uuid,
const string& status, bool ro, bool pool, const string& used_pool,
unsigned long long pchunk, SystemInfo& systeminfo)
{
y2mil("addLv:" << name);
LvmLvPair p=lvmLvPair(lvNotDeletedCreated);
LvmLvIter i=p.begin();
while( i!=p.end() && i->name()!=name )
{
++i;
}
y2mil("addLv exists " << (i!=p.end()));
if( i!=p.end() )
{
if( !lvResized( *i ))
i->setLe( le );
if( i->created() )
{
i->setCreated( false );
i->calcSize();
}
i->setUuid( uuid );
i->setStatus( status );
i->setOrigin( origin );
i->getTableInfo();
i->updateMajorMinor();
i->setReadonly(ro);
i->setPool(pool);
if(pool||i->isSnapshot())
i->setChunkSize(pchunk);
if(!used_pool.empty())
i->setUsedPool(used_pool);
}
else
{
p=lvmLvPair(lvNotCreated);
i=p.begin();
while( i!=p.end() && i->name()!=name )
{
++i;
}
y2mil("addLv exists deleted " << (i!=p.end()));
if( i==p.end() )
{
LvmLv *n = new LvmLv( *this, name, dev + "/" + name, origin,
le, uuid, status, systeminfo);
if( ro )
n->setReadonly();
if( pool )
n->setPool();
if( pool || n->isSnapshot())
n->setChunkSize(pchunk);
if( !used_pool.empty() )
n->setUsedPool(used_pool);
if( !n->inactive() )
addToList( n );
else
{
y2mil("inactive Lv " << name);
delete n;
}
}
}
}
void
LvmVg::addPv(const Pv& pv)
{
PeContainer::addPv(pv);
if (!deleted() && pv.device != UNKNOWN_PV_DEVICE &&
find(pv_remove.begin(), pv_remove.end(), pv) == pv_remove.end())
getStorage()->setUsedBy(pv.device, UB_LVM, device());
}
LvmLv* LvmVg::findLv( const string& name )
{
LvmLvPair p = lvmLvPair(LvmLv::notDeleted);
LvmLvIter i=p.begin();
while( i!=p.end() && i->name()!=name )
++i;
return( (i!=p.end())?&(*i):NULL );
}
bool
LvmVg::checkChunk( unsigned long long val, unsigned long long mi,
unsigned long long mx )
{
y2mil( "val:" << val << " min:" << mi << " max:" << mx );
bool ret = mi==0 || val>=mi;
ret = ret && (mx==0 || val<=mx);
while( val>1 && ret )
val /= 2;
ret = val==1;
y2mil( "ret:" << ret );
return( ret );
}
void
LvmVg::getToCommit(CommitStage stage, list<const Container*>& col, list<const Volume*>& vol) const
{
unsigned long oco = col.size();
unsigned long ovo = vol.size();
Container::getToCommit( stage, col, vol );
if( stage==DECREASE )
{
if( !pv_remove.empty() &&
find( col.begin(), col.end(), this )==col.end() )
{
col.push_back( this );