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Add logic for copy and paste between devices with different sector sizes 

This change is in preparation for supporting sectors sizes > 512 bytes.
This commit is contained in:
Curtis Gedak 2010-04-23 13:28:41 -06:00
parent 74ecd2ed3f
commit 0d5c06f85d
1 changed files with 11 additions and 7 deletions
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14
src/Dialog_Partition_Copy.cc
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@ -41,10 +41,14 @@ void Dialog_Partition_Copy::Set_Data( const Partition & selected_partition, cons
//set some widely used values...
START = selected_partition .sector_start ;
total_length = selected_partition .get_length() ;
TOTAL_MB = Utils::round( Utils::sector_to_unit( selected_partition .get_length(), DEFAULT_SECTOR_SIZE, UNIT_MIB ) ) ;
TOTAL_MB = Utils::round( Utils::sector_to_unit( selected_partition .get_length(), selected_partition .sector_size, UNIT_MIB ) ) ;
MB_PER_PIXEL = TOTAL_MB / 500.00 ;
long COPIED_LENGTH_MB = Utils::round( Utils::sector_to_unit( copied_partition .get_length(), DEFAULT_SECTOR_SIZE, UNIT_MIB ) ) ;
//Determine minimum number of sectors needed in destination (selected) partition and
// handle situation where src sector size is smaller than dst sector size and an additional partial dst sector is required.
Sector copied_min_sectors = ( copied_partition .get_length() * copied_partition .sector_size + (selected_partition .sector_size - 1) ) / selected_partition .sector_size ;
long COPIED_LENGTH_MB = Utils::round( Utils::sector_to_unit( copied_min_sectors, copied_partition .sector_size, UNIT_MIB ) ) ;
// /* Copy Primary not at start of disk to within Extended partition */
// Adjust when a primary partition is copied and pasted
// into an unallocated space in an extended partition
@ -96,16 +100,16 @@ void Dialog_Partition_Copy::Set_Data( const Partition & selected_partition, cons
frame_resizer_base ->set_x_end( x_end > 500 ? 500 : x_end ) ;
frame_resizer_base ->set_used(
Utils::round( Utils::sector_to_unit(
copied_partition .sectors_used, DEFAULT_SECTOR_SIZE, UNIT_MIB ) / (TOTAL_MB/500.00) ) ) ;
copied_partition .sectors_used, copied_partition .sector_size, UNIT_MIB ) / (TOTAL_MB/500.00) ) ) ;
if ( fs .grow )
fs .MAX = ( ! fs .MAX || fs .MAX > (TOTAL_MB * MEBI_FACTOR) ) ? (TOTAL_MB * MEBI_FACTOR) : fs .MAX - (BUF * DEFAULT_SECTOR_SIZE) ;
else
fs .MAX = copied_partition .get_length() * DEFAULT_SECTOR_SIZE ;
fs .MAX = copied_partition .get_length() * copied_partition .sector_size ;
if ( fs .filesystem == GParted::FS_XFS ) //bit hackisch, but most effective, since it's a unique situation
fs .MIN = ( copied_partition .sectors_used + (BUF * 2) ) * DEFAULT_SECTOR_SIZE;
fs .MIN = ( copied_partition .sectors_used + (BUF * 2) ) * copied_partition .sector_size;
else
fs .MIN = COPIED_LENGTH_MB * MEBI_FACTOR ;