Pengetahuan Kernel (7) – Struktur Data Linux (7) – gendisk

Struktur data gendisk menangani informasi tentang suatu hard disk. Digunakan saat inisialisasi ketika disk didapati dan kemudian diprobe untuk partisi.

[sourcecode language=”cpp”]
struct hd_struct {
long start_sect;
long nr_sects;
struct gendisk {
int major; /* major number of driver */
const char *major_name; /* name of major driver */
int minor_shift; /* number of times minor is shifted to
get real minor */
int max_p; /* maximum partitions per device */
int max_nr; /* maximum number of real devices */
void (*init)(struct gendisk *);
/* Initialization called before we
do our thing */
struct hd_struct *part; /* partition table */
int *sizes; /* device size in blocks, copied to
blk_size[] */
int nr_real; /* number of real devices */
void *real_devices; /* internal use */
struct gendisk *next;
Sumber :

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