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Added initial support for dmraid devices 

svn path=/trunk/; revision=1093
This commit is contained in:
Curtis Gedak 2009-03-14 20:09:28 +00:00
parent 5865c92dc0
commit eb4ad0615d
2 changed files with 124 additions and 17 deletions
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3
ChangeLog
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@ -1,5 +1,8 @@
2009-03-14 Curtis Gedak <gedakc@gmail.com>
* src/GParted_Core.cc: Added initial support for dmraid devices.
- Closes GParted bug #317262
* include/DMRaid.h,
include/Makefile.am,
src/DMRaid.cc,

130
src/GParted_Core.cc
View File

@ -17,6 +17,7 @@
#include "../include/Win_GParted.h"
#include "../include/GParted_Core.h"
#include "../include/DMRaid.h"
#include "../include/FS_Info.h"
#include "../include/OperationCopy.h"
#include "../include/OperationCreate.h"
@ -158,6 +159,7 @@ void GParted_Core::set_devices( std::vector<Device> & devices )
devices .clear() ;
Device temp_device ;
FS_Info fs_info( true ) ; //Refresh cache of file system information
DMRaid dmraid( true ) ; //Refresh cache of dmraid device information
init_maps() ;
@ -201,6 +203,17 @@ void GParted_Core::set_devices( std::vector<Device> & devices )
}
}
proc_partitions .close() ;
//Try to find all dmraid devices
if (dmraid .is_dmraid_supported() ) {
std::vector<Glib::ustring> dmraid_devices ;
dmraid .get_devices( dmraid_devices ) ;
for ( unsigned int k=0; k < dmraid_devices .size(); k++ ) {
set_thread_status_message( String::ucompose ( _("Scanning %1"), dmraid_devices[k] ) ) ;
dmraid .create_dev_map_entries( dmraid_devices[k] ) ;
ped_device_get( dmraid_devices[k] .c_str() ) ;
}
}
}
else
{
@ -456,6 +469,14 @@ bool GParted_Core::set_disklabel( const Glib::ustring & device_path, const Glib:
close_device_and_disk() ;
}
//delete and recreate disk entries if dmraid
DMRaid dmraid ;
if ( return_value && dmraid .is_dmraid_device( device_path ) )
{
dmraid .purge_dev_map_entries( device_path ) ;
dmraid .create_dev_map_entries( device_path ) ;
}
return return_value ;
}
@ -564,6 +585,7 @@ void GParted_Core::init_maps()
fstab_info .clear() ;
read_mountpoints_from_file( "/proc/mounts", mount_info ) ;
read_mountpoints_from_file( "/proc/swaps", mount_info ) ;
read_mountpoints_from_file( "/etc/mtab", mount_info ) ;
read_mountpoints_from_file( "/etc/fstab", fstab_info ) ;
@ -653,6 +675,7 @@ void GParted_Core::set_device_partitions( Device & device )
int EXT_INDEX = -1 ;
char * lp_path ;//we have to free the result of ped_partition_get_path()..
FS_Info fs_info ; //Use cache of file system information
DMRaid dmraid ; //Use cache of dmraid device information
//clear partitions
device .partitions .clear() ;
@ -662,12 +685,26 @@ void GParted_Core::set_device_partitions( Device & device )
{
libparted_messages .clear() ;
partition_temp .Reset() ;
bool partition_is_busy = false ;
switch ( lp_partition ->type )
{
case PED_PARTITION_NORMAL:
case PED_PARTITION_LOGICAL:
lp_path = ped_partition_get_path( lp_partition ) ;
//Handle dmraid devices differently because the minor number might not
// match the last number of the partition filename as shown by "ls -l /dev/mapper"
// This mismatch causes incorrect identification of busy partitions in ped_partition_is_busy().
if ( dmraid .is_dmraid_device( device .get_path() ) )
{
iter_mp = mount_info .find( lp_path ) ;
if ( iter_mp != mount_info .end() )
partition_is_busy = true ;
}
else
partition_is_busy = ped_partition_is_busy( lp_partition ) ;
partition_temp .Set( device .get_path(),
lp_path,
lp_partition ->num,
@ -676,7 +713,7 @@ void GParted_Core::set_device_partitions( Device & device )
lp_partition ->geom .start,
lp_partition ->geom .end,
lp_partition ->type,
ped_partition_is_busy( lp_partition ) ) ;
partition_is_busy ) ;
free( lp_path ) ;
partition_temp .add_paths( get_alternate_paths( partition_temp .get_path() ) ) ;
@ -689,6 +726,27 @@ void GParted_Core::set_device_partitions( Device & device )
case PED_PARTITION_EXTENDED:
lp_path = ped_partition_get_path( lp_partition ) ;
//Handle dmraid devices differently because the minor number might not
// match the last number of the partition filename as shown by "ls -l /dev/mapper"
// This mismatch causes incorrect identification of busy partitions in ped_partition_is_busy().
if ( dmraid .is_dmraid_device( device .get_path() ) )
{
for ( unsigned int k = 5; k < 255; k++ )
{
//Try device_name + [5 to 255]
iter_mp = mount_info .find( device .get_path() + Utils::num_to_str( k ) ) ;
if ( iter_mp != mount_info .end() )
partition_is_busy = true ;
//Try device_name + p + [5 to 255]
iter_mp = mount_info .find( device .get_path() + "p" + Utils::num_to_str( k ) ) ;
if ( iter_mp != mount_info .end() )
partition_is_busy = true ;
}
}
else
partition_is_busy = ped_partition_is_busy( lp_partition ) ;
partition_temp .Set( device .get_path(),
lp_path,
lp_partition ->num,
@ -697,7 +755,7 @@ void GParted_Core::set_device_partitions( Device & device )
lp_partition ->geom .start,
lp_partition ->geom .end,
false,
ped_partition_is_busy( lp_partition ) ) ;
partition_is_busy ) ;
free( lp_path ) ;
partition_temp .add_paths( get_alternate_paths( partition_temp .get_path() ) ) ;
@ -1195,16 +1253,16 @@ bool GParted_Core::create_partition( Partition & new_partition, OperationDetail
close_device_and_disk() ;
}
if ( new_partition .partition_number > 0 && erase_filesystem_signatures( new_partition ) )
{
operationdetail .get_last_child() .set_status( STATUS_SUCCES ) ;
return true ;
}
else
{
operationdetail .get_last_child() .set_status( STATUS_ERROR ) ;
return false ;
}
bool succes = new_partition .partition_number > 0 && erase_filesystem_signatures( new_partition ) ;
//create dev map entries if dmraid
DMRaid dmraid ;
if ( succes && dmraid .is_dmraid_device( new_partition .device_path ) )
succes = dmraid .create_dev_map_entries( new_partition, operationdetail .get_last_child() ) ;
operationdetail .get_last_child() .set_status( succes ? STATUS_SUCCES : STATUS_ERROR ) ;
return succes ;
}
bool GParted_Core::create_filesystem( const Partition & partition, OperationDetail & operationdetail )
@ -1259,6 +1317,23 @@ bool GParted_Core::Delete( const Partition & partition, OperationDetail & operat
close_device_and_disk() ;
}
//delete partition dev mapper entry, and delete and recreate all other affected dev mapper entries if dmraid
DMRaid dmraid ;
if ( succes && dmraid .is_dmraid_device( partition .device_path ) )
{
//Open disk handle before and close after to prevent application crash.
if ( open_device_and_disk( partition .device_path ) )
{
if ( ! dmraid .delete_affected_dev_map_entries( partition, operationdetail .get_last_child() ) )
succes = false ; //comand failed
if ( ! dmraid .create_dev_map_entries( partition, operationdetail .get_last_child() ) )
succes = false ; //command failed
close_device_and_disk() ;
}
}
operationdetail .get_last_child() .set_status( succes ? STATUS_SUCCES : STATUS_ERROR ) ;
return succes ;
}
@ -1687,6 +1762,18 @@ bool GParted_Core::resize_move_partition( const Partition & partition_old,
Utils::format_size( new_end - new_start + 1 ) ),
STATUS_NONE,
FONT_ITALIC ) ) ;
//update dev mapper entry if partition is dmraid.
DMRaid dmraid ;
if ( return_value && dmraid .is_dmraid_device( partition_new .device_path ) )
{
//Open disk handle before and close after to prevent application crash.
if ( open_device_and_disk( partition_new .device_path ) )
{
return_value = dmraid .update_dev_map_entry( partition_new, operationdetail .get_last_child() ) ;
close_device_and_disk() ;
}
}
}
operationdetail .get_last_child() .set_status( return_value ? STATUS_SUCCES : STATUS_ERROR ) ;
@ -2349,6 +2436,18 @@ bool GParted_Core::calculate_exact_geom( const Partition & partition_old,
Utils::format_size( partition_new .get_length() ) ),
STATUS_NONE,
FONT_ITALIC ) ) ;
//Update dev mapper entry if partition is dmraid.
DMRaid dmraid ;
if ( succes && dmraid .is_dmraid_device( partition_new .device_path ) )
{
//Open disk handle before and close after to prevent application crash.
if ( open_device_and_disk( partition_new .device_path ) )
{
succes = dmraid .update_dev_map_entry( partition_new, operationdetail .get_last_child() ) ;
close_device_and_disk() ;
}
}
}
operationdetail .get_last_child() .set_status( succes ? STATUS_SUCCES : STATUS_ERROR ) ;
@ -2507,7 +2606,12 @@ bool GParted_Core::commit()
bool GParted_Core::commit_to_os( std::time_t timeout )
{
bool succes = ped_disk_commit_to_os( lp_disk ) ;
DMRaid dmraid ;
bool succes ;
if ( dmraid .is_dmraid_device( lp_disk ->dev ->path ) )
succes = true ;
else
succes = ped_disk_commit_to_os( lp_disk ) ;
if ( Glib::find_program_in_path( "udevsettle" ) .empty() )
sleep( timeout ) ;