static void find_subpartitions(phantom_disk_partition_t *p)
{
if( 0 == lookup_fs(p) )
return;
lookup_old_pc_partitions(p);
//lookup_phantom_fs(p);
}
int make_dir(char * name){
if(lookup_fs(name, DIRECTORY)){
printk("\nAlready exist dir");
return 0;
}
inode * inode_i ;
int new_inode_number ;
int new_inode_sector ;
int dir_index=find_parent_index(name);
if(dir_index== -1){
printk("\n Required PARENT Directory doesn't Exist :: Create one and try again");
return 0;
}
new_inode_number = get_free_inode_block();
new_inode_sector = get_inode_sector(new_inode_number);
printk("\n %d %d", new_inode_number, new_inode_sector);
read(&abar->ports[0], new_inode_sector, 0, 1, (uint64_t) inode_mgmt_buffer_p);
inode_i = (inode *)inode_mgmt_buffer;
inode_i += (new_inode_number-1)%3;
inode_i->inode_num = new_inode_number;
strcpy(inode_i->filename, name);
inode_i->size = 0 ;
inode_i->type = DIRECTORY;
inode_i->perm = 0;
int i = 0;
for(i=0; i<10; i++)
inode_i->sector_loc[i] = 0;
write_superblock();
write(&abar->ports[0], new_inode_sector, 0, 1, (uint64_t) inode_mgmt_buffer_p);
printk("\n sata_fs_count = [%d]",sata_fs_count);
add_inode_to_table(inode_i);
return 1;
}
struct file * file_open(char *filename,int flag){
int inode_num = lookup_fs(filename, flag);
inode * inode_i ;
int i=0;
kern_init_desc();
if(inode_num != 0 ){
inode_i = read_inode(inode_num);
if(flag==DIRECTORY)
printk("\nDIrectory EXISTS");
else
printk("\nFile EXISTS");
printk("\nsize %d\n", inode_i->size);
}
else if(inode_num==0 && flag==FILE_TYPE){
int dir_index=find_parent_index(filename);
if(dir_index== -1){
printk("\n Required Directory doesn't Exist :: Create one and try again");
return NULL;
}
int new_inode_number = get_free_inode_block();
int new_inode_sector = get_inode_sector(new_inode_number);
printk("\n %d %d", new_inode_number, new_inode_sector);
read(&abar->ports[0], new_inode_sector, 0, 1, (uint64_t) inode_mgmt_buffer_p);
printk("\n %x %x", inode_mgmt_buffer, inode_mgmt_buffer_p);
inode_i = (inode *)inode_mgmt_buffer;
inode_i += (new_inode_number-1)%3;
inode_i->inode_num = new_inode_number;
strcpy(inode_i->filename, filename);
inode_i->size = 0 ;
inode_i->type = FILE_TYPE;
inode_i->perm = 0;
for(i=0;i<10;i++)
inode_i->sector_loc[i]=0;
sata_fs[dir_index].number_of_dentry +=1;
add_inode_to_table(inode_i);
write_superblock();
write(&abar->ports[0], new_inode_sector, 0, 1, (uint64_t) inode_mgmt_buffer_p);
}
else if(inode_num==0 && flag==DIRECTORY){
printk("\n NO Directory Exists");
return NULL;
}
else
return NULL;
sata_vfs_fd.inode_num=inode_i->inode_num;
strcpy(sata_vfs_fd.filename, inode_i->filename);
sata_vfs_fd.perm=inode_i->perm;
sata_vfs_fd.size=inode_i->size;
sata_vfs_fd.type=inode_i->type;
sata_vfs_fd.location=FS_LOC;
for(i=0;i<10;i++)
sata_vfs_fd.sector_loc[i]=inode_i->sector_loc[i];
for(i=0;i<sata_fs_count;i++){
if(inode_i->inode_num==sata_fs[i].inode_num && inode_i->type==flag){
sata_vfs_fd.tarfs_table_index=i;
break;
}
}
return &sata_vfs_fd;
}
