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/*
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* Copyright ( C ) 2001 - 2004 Sistina Software , Inc . All rights reserved .
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* Copyright ( C ) 2004 - 2014 Red Hat , Inc . All rights reserved .
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*
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* This file is part of LVM2 .
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*
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* This copyrighted material is made available to anyone wishing to use ,
* modify , copy , or redistribute it subject to the terms and conditions
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* of the GNU Lesser General Public License v .2 .1 .
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program ; if not , write to the Free Software Foundation ,
* Inc . , 59 Temple Place , Suite 330 , Boston , MA 02111 - 1307 USA
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*/
# include "tools.h"
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static int vgremove_single ( struct cmd_context * cmd , const char * vg_name ,
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struct volume_group * vg ,
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struct processing_handle * handle __attribute__ ( ( unused ) ) )
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{
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/*
* Though vgremove operates per VG by definition , internally , it
* actually means iterating over each LV it contains to do the remove .
*
* Use processing handle with void_handle . internal_report_for_select = 0
* for the process_each_lv_in_vg that is called later in this fn .
* We need to disable internal selection for process_each_lv_in_vg
* here as selection is already done by process_each_vg which calls
* vgremove_single . Otherwise selection would be done per - LV and
* not per - VG as we intend !
*/
struct processing_handle void_handle = { 0 } ;
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/*
* Single force is equivalent to sinle - - yes
* Even multiple - - yes are equivalent to single - - force
* When we require - ff it cannot be replaces with - f - y
*/
force_t force = ( force_t ) arg_count ( cmd , force_ARG )
? : ( arg_is_set ( cmd , yes_ARG ) ? DONT_PROMPT : PROMPT ) ;
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unsigned lv_count , missing ;
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int ret ;
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if ( ! vg_check_status ( vg , EXPORTED_VG ) )
return_ECMD_FAILED ;
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lv_count = vg_visible_lvs ( vg ) ;
if ( lv_count ) {
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if ( force = = PROMPT ) {
if ( ( missing = vg_missing_pv_count ( vg ) ) )
log_warn ( " WARNING: %d physical volumes are currently missing "
" from the system. " , missing ) ;
if ( yes_no_prompt ( " Do you really want to remove volume "
" group \" %s \" containing %u "
" logical volumes? [y/n]: " ,
vg_name , lv_count ) = = ' n ' ) {
log_error ( " Volume group \" %s \" not removed " , vg_name ) ;
return ECMD_FAILED ;
}
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}
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if ( ( ret = process_each_lv_in_vg ( cmd , vg , NULL , NULL , 1 , & void_handle ,
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( process_single_lv_fn_t ) lvremove_single ) ) ! = ECMD_PROCESSED ) {
stack ;
return ret ;
}
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}
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if ( ! lockd_free_vg_before ( cmd , vg ) )
return_ECMD_FAILED ;
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if ( ! force & & ! vg_remove_check ( vg ) )
return_ECMD_FAILED ;
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vg_remove_pvs ( vg ) ;
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if ( ! vg_remove ( vg ) )
return_ECMD_FAILED ;
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lockd_free_vg_final ( cmd , vg ) ;
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return ECMD_PROCESSED ;
}
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int vgremove ( struct cmd_context * cmd , int argc , char * * argv )
{
int ret ;
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if ( ! argc & & ! arg_is_set ( cmd , select_ARG ) ) {
log_error ( " Please enter one or more volume group paths "
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" or use --select for selection. " ) ;
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return EINVALID_CMD_LINE ;
}
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/*
* Needed to change the global VG namespace ,
* and to change the set of orphan PVs .
*/
if ( ! lockd_gl ( cmd , " ex " , LDGL_UPDATE_NAMES ) )
return ECMD_FAILED ;
/*
* This is a special case : if vgremove is given a tag , it causes
* process_each_vg to do lockd_gl ( sh ) when getting a list of all
* VG names . We don ' t want the gl converted to sh , so disable it .
*/
cmd - > lockd_gl_disable = 1 ;
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cmd - > handles_missing_pvs = 1 ;
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ret = process_each_vg ( cmd , argc , argv ,
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READ_FOR_UPDATE ,
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NULL , & vgremove_single ) ;
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return ret ;
}