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/*
* Copyright ( C ) 2004 - 2007 Red Hat , Inc . All rights reserved .
*
* This file is part of LVM2 .
*
* This copyrighted material is made available to anyone wishing to use ,
* modify , copy , or redistribute it subject to the terms and conditions
* of the GNU Lesser General Public License v .2 .1 .
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program ; if not , write to the Free Software Foundation ,
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* Inc . , 51 Franklin Street , Fifth Floor , Boston , MA 02110 - 1301 USA
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*/
# include "lib.h"
# include "toolcontext.h"
# include "segtype.h"
# include "text_export.h"
# include "config.h"
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static int _unknown_text_import ( struct lv_segment * seg , const struct dm_config_node * sn ,
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struct dm_hash_table * pv_hash )
{
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struct dm_config_node * new , * last = NULL , * head = NULL ;
const struct dm_config_node * current ;
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log_verbose ( " importing unknown segment " ) ;
for ( current = sn ; current ! = NULL ; current = current - > sib ) {
if ( ! strcmp ( current - > key , " type " ) | | ! strcmp ( current - > key , " start_extent " ) | |
! strcmp ( current - > key , " tags " ) | | ! strcmp ( current - > key , " extent_count " ) )
continue ;
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new = dm_config_clone_node_with_mem ( seg - > lv - > vg - > vgmem , current , 0 ) ;
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if ( ! new )
return_0 ;
if ( last )
last - > sib = new ;
if ( ! head )
head = new ;
last = new ;
}
seg - > segtype_private = head ;
return 1 ;
}
static int _unknown_text_export ( const struct lv_segment * seg , struct formatter * f )
{
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struct dm_config_node * cn = seg - > segtype_private ;
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return out_config_node ( f , cn ) ;
}
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static void _unknown_destroy ( struct segment_type * segtype )
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{
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dm_free ( segtype - > name ) ;
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dm_free ( segtype ) ;
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}
static struct segtype_handler _unknown_ops = {
. text_import = _unknown_text_import ,
. text_export = _unknown_text_export ,
. destroy = _unknown_destroy ,
} ;
struct segment_type * init_unknown_segtype ( struct cmd_context * cmd , const char * name )
{
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struct segment_type * segtype = dm_zalloc ( sizeof ( * segtype ) ) ;
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if ( ! segtype ) {
log_error ( " Failed to allocate memory for unknown segtype " ) ;
return NULL ;
}
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segtype - > ops = & _unknown_ops ;
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if ( ! ( segtype - > name = dm_strdup ( name ) ) ) {
log_error ( " Failed to allocate name. " ) ;
dm_free ( segtype ) ;
return NULL ;
}
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segtype - > flags = SEG_UNKNOWN | SEG_VIRTUAL | SEG_CANNOT_BE_ZEROED ;
log_very_verbose ( " Initialised segtype: %s " , segtype - > name ) ;
return segtype ;
}