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implemented read used/unused space on a jfs filesystem. 

* src/jfs.cc: implemented read used/unused space on a jfs filesystem.
This commit is contained in:
Bart Hakvoort 2004-12-29 19:22:58 +00:00
parent b839708add
commit 169f1e34f9
2 changed files with 32 additions and 2 deletions
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4
ChangeLog
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@ -1,3 +1,7 @@
2004-12-29 Bart Hakvoort <hakvoort@cvs.gnome.org>
* src/jfs.cc: implemented read used/unused space on a jfs filesystem.
2004-12-29 Bart Hakvoort <hakvoort@cvs.gnome.org>
* include/GParted_Core.h,

30
src/jfs.cc
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@ -27,8 +27,8 @@ FS jfs::get_filesystem_support( )
fs .filesystem = "jfs" ;
// if ( ! system( "which xfs_db 1>/dev/null 2>/dev/null" ) )
// fs .read = true ;
if ( ! system( "which jfs_debugfs 1>/dev/null 2>/dev/null" ) )
fs .read = true ;
if ( ! system( "which mkfs.jfs 1>/dev/null 2>/dev/null" ) )
fs .create = true ;
@ -61,6 +61,32 @@ FS jfs::get_filesystem_support( )
void jfs::Set_Used_Sectors( Partition & partition )
{
char c_buf[ 512 ] ;
FILE *f ;
Glib::ustring output ;
//get free sectors..
f = popen( ( "LC_ALL=C echo dm | jfs_debugfs " + partition .partition ) .c_str( ), "r" ) ;
while ( fgets( c_buf, 512, f ) )
{
output = Glib::locale_to_utf8( c_buf ) ;
//free sectors
if ( output .find( "dn_nfree" ) < output .length( ) )
{
output = output .substr( output .find( ":" ) +1, output .length( ) ) ;
int dec_free_blocks ;
std::istringstream hex_free_blocks( output .substr( 0, output .find( "[" ) ) );
hex_free_blocks >> std::hex >> dec_free_blocks ;
partition .Set_Unused( dec_free_blocks * 8 ) ;//4096 / 512 (i've been told jfs blocksize is _always_ 4K)
break ;
}
}
pclose( f ) ;
}
bool jfs::Create( const Partition & new_partition )