Added initial support for dmraid devices
svn path=/trunk/; revision=1093
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@ -1,5 +1,8 @@
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2009-03-14 Curtis Gedak <gedakc@gmail.com>
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* src/GParted_Core.cc: Added initial support for dmraid devices.
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- Closes GParted bug #317262
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* include/DMRaid.h,
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include/Makefile.am,
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src/DMRaid.cc,
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@ -17,6 +17,7 @@
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#include "../include/Win_GParted.h"
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#include "../include/GParted_Core.h"
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#include "../include/DMRaid.h"
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#include "../include/FS_Info.h"
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#include "../include/OperationCopy.h"
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#include "../include/OperationCreate.h"
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@ -158,6 +159,7 @@ void GParted_Core::set_devices( std::vector<Device> & devices )
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devices .clear() ;
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Device temp_device ;
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FS_Info fs_info( true ) ; //Refresh cache of file system information
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DMRaid dmraid( true ) ; //Refresh cache of dmraid device information
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init_maps() ;
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@ -201,6 +203,17 @@ void GParted_Core::set_devices( std::vector<Device> & devices )
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}
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}
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proc_partitions .close() ;
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//Try to find all dmraid devices
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if (dmraid .is_dmraid_supported() ) {
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std::vector<Glib::ustring> dmraid_devices ;
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dmraid .get_devices( dmraid_devices ) ;
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for ( unsigned int k=0; k < dmraid_devices .size(); k++ ) {
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set_thread_status_message( String::ucompose ( _("Scanning %1"), dmraid_devices[k] ) ) ;
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dmraid .create_dev_map_entries( dmraid_devices[k] ) ;
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ped_device_get( dmraid_devices[k] .c_str() ) ;
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}
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}
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}
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else
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{
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@ -455,7 +468,15 @@ bool GParted_Core::set_disklabel( const Glib::ustring & device_path, const Glib:
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close_device_and_disk() ;
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}
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//delete and recreate disk entries if dmraid
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DMRaid dmraid ;
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if ( return_value && dmraid .is_dmraid_device( device_path ) )
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{
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dmraid .purge_dev_map_entries( device_path ) ;
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dmraid .create_dev_map_entries( device_path ) ;
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}
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return return_value ;
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}
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@ -564,6 +585,7 @@ void GParted_Core::init_maps()
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fstab_info .clear() ;
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read_mountpoints_from_file( "/proc/mounts", mount_info ) ;
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read_mountpoints_from_file( "/proc/swaps", mount_info ) ;
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read_mountpoints_from_file( "/etc/mtab", mount_info ) ;
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read_mountpoints_from_file( "/etc/fstab", fstab_info ) ;
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@ -653,7 +675,8 @@ void GParted_Core::set_device_partitions( Device & device )
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int EXT_INDEX = -1 ;
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char * lp_path ;//we have to free the result of ped_partition_get_path()..
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FS_Info fs_info ; //Use cache of file system information
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DMRaid dmraid ; //Use cache of dmraid device information
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//clear partitions
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device .partitions .clear() ;
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@ -662,12 +685,26 @@ void GParted_Core::set_device_partitions( Device & device )
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{
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libparted_messages .clear() ;
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partition_temp .Reset() ;
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bool partition_is_busy = false ;
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switch ( lp_partition ->type )
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{
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case PED_PARTITION_NORMAL:
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case PED_PARTITION_LOGICAL:
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case PED_PARTITION_LOGICAL:
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lp_path = ped_partition_get_path( lp_partition ) ;
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//Handle dmraid devices differently because the minor number might not
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// match the last number of the partition filename as shown by "ls -l /dev/mapper"
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// This mismatch causes incorrect identification of busy partitions in ped_partition_is_busy().
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if ( dmraid .is_dmraid_device( device .get_path() ) )
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{
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iter_mp = mount_info .find( lp_path ) ;
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if ( iter_mp != mount_info .end() )
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partition_is_busy = true ;
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}
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else
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partition_is_busy = ped_partition_is_busy( lp_partition ) ;
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partition_temp .Set( device .get_path(),
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lp_path,
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lp_partition ->num,
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@ -676,7 +713,7 @@ void GParted_Core::set_device_partitions( Device & device )
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lp_partition ->geom .start,
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lp_partition ->geom .end,
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lp_partition ->type,
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ped_partition_is_busy( lp_partition ) ) ;
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partition_is_busy ) ;
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free( lp_path ) ;
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partition_temp .add_paths( get_alternate_paths( partition_temp .get_path() ) ) ;
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@ -689,6 +726,27 @@ void GParted_Core::set_device_partitions( Device & device )
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case PED_PARTITION_EXTENDED:
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lp_path = ped_partition_get_path( lp_partition ) ;
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//Handle dmraid devices differently because the minor number might not
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// match the last number of the partition filename as shown by "ls -l /dev/mapper"
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// This mismatch causes incorrect identification of busy partitions in ped_partition_is_busy().
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if ( dmraid .is_dmraid_device( device .get_path() ) )
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{
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for ( unsigned int k = 5; k < 255; k++ )
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{
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//Try device_name + [5 to 255]
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iter_mp = mount_info .find( device .get_path() + Utils::num_to_str( k ) ) ;
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if ( iter_mp != mount_info .end() )
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partition_is_busy = true ;
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//Try device_name + p + [5 to 255]
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iter_mp = mount_info .find( device .get_path() + "p" + Utils::num_to_str( k ) ) ;
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if ( iter_mp != mount_info .end() )
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partition_is_busy = true ;
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}
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}
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else
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partition_is_busy = ped_partition_is_busy( lp_partition ) ;
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partition_temp .Set( device .get_path(),
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lp_path,
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lp_partition ->num,
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@ -697,7 +755,7 @@ void GParted_Core::set_device_partitions( Device & device )
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lp_partition ->geom .start,
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lp_partition ->geom .end,
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false,
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ped_partition_is_busy( lp_partition ) ) ;
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partition_is_busy ) ;
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free( lp_path ) ;
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partition_temp .add_paths( get_alternate_paths( partition_temp .get_path() ) ) ;
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@ -1195,16 +1253,16 @@ bool GParted_Core::create_partition( Partition & new_partition, OperationDetail
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close_device_and_disk() ;
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}
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if ( new_partition .partition_number > 0 && erase_filesystem_signatures( new_partition ) )
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{
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operationdetail .get_last_child() .set_status( STATUS_SUCCES ) ;
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return true ;
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}
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else
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{
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operationdetail .get_last_child() .set_status( STATUS_ERROR ) ;
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return false ;
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}
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bool succes = new_partition .partition_number > 0 && erase_filesystem_signatures( new_partition ) ;
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//create dev map entries if dmraid
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DMRaid dmraid ;
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if ( succes && dmraid .is_dmraid_device( new_partition .device_path ) )
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succes = dmraid .create_dev_map_entries( new_partition, operationdetail .get_last_child() ) ;
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operationdetail .get_last_child() .set_status( succes ? STATUS_SUCCES : STATUS_ERROR ) ;
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return succes ;
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}
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bool GParted_Core::create_filesystem( const Partition & partition, OperationDetail & operationdetail )
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@ -1259,6 +1317,23 @@ bool GParted_Core::Delete( const Partition & partition, OperationDetail & operat
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close_device_and_disk() ;
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}
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//delete partition dev mapper entry, and delete and recreate all other affected dev mapper entries if dmraid
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DMRaid dmraid ;
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if ( succes && dmraid .is_dmraid_device( partition .device_path ) )
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{
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//Open disk handle before and close after to prevent application crash.
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if ( open_device_and_disk( partition .device_path ) )
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{
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if ( ! dmraid .delete_affected_dev_map_entries( partition, operationdetail .get_last_child() ) )
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succes = false ; //comand failed
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if ( ! dmraid .create_dev_map_entries( partition, operationdetail .get_last_child() ) )
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succes = false ; //command failed
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close_device_and_disk() ;
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}
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}
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operationdetail .get_last_child() .set_status( succes ? STATUS_SUCCES : STATUS_ERROR ) ;
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return succes ;
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}
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@ -1687,6 +1762,18 @@ bool GParted_Core::resize_move_partition( const Partition & partition_old,
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Utils::format_size( new_end - new_start + 1 ) ),
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STATUS_NONE,
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FONT_ITALIC ) ) ;
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//update dev mapper entry if partition is dmraid.
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DMRaid dmraid ;
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if ( return_value && dmraid .is_dmraid_device( partition_new .device_path ) )
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{
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//Open disk handle before and close after to prevent application crash.
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if ( open_device_and_disk( partition_new .device_path ) )
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{
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return_value = dmraid .update_dev_map_entry( partition_new, operationdetail .get_last_child() ) ;
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close_device_and_disk() ;
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}
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}
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}
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operationdetail .get_last_child() .set_status( return_value ? STATUS_SUCCES : STATUS_ERROR ) ;
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@ -2349,6 +2436,18 @@ bool GParted_Core::calculate_exact_geom( const Partition & partition_old,
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Utils::format_size( partition_new .get_length() ) ),
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STATUS_NONE,
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FONT_ITALIC ) ) ;
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//Update dev mapper entry if partition is dmraid.
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DMRaid dmraid ;
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if ( succes && dmraid .is_dmraid_device( partition_new .device_path ) )
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{
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//Open disk handle before and close after to prevent application crash.
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if ( open_device_and_disk( partition_new .device_path ) )
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{
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succes = dmraid .update_dev_map_entry( partition_new, operationdetail .get_last_child() ) ;
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close_device_and_disk() ;
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}
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}
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}
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operationdetail .get_last_child() .set_status( succes ? STATUS_SUCCES : STATUS_ERROR ) ;
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@ -2507,7 +2606,12 @@ bool GParted_Core::commit()
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bool GParted_Core::commit_to_os( std::time_t timeout )
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{
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bool succes = ped_disk_commit_to_os( lp_disk ) ;
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DMRaid dmraid ;
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bool succes ;
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if ( dmraid .is_dmraid_device( lp_disk ->dev ->path ) )
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succes = true ;
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else
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succes = ped_disk_commit_to_os( lp_disk ) ;
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if ( Glib::find_program_in_path( "udevsettle" ) .empty() )
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sleep( timeout ) ;
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