#ifndef _RAMZSWAP_IOCTL_H_
#define _RAMZSWAP_IOCTL_H_
-#define MAX_SWAP_NAME_LEN 128
-
struct ramzswap_ioctl_stats {
- char backing_swap_name[MAX_SWAP_NAME_LEN];
- u64 memlimit; /* only applicable if backing swap present */
u64 disksize; /* user specified or equal to backing swap
* size (if present) */
u64 num_reads; /* failed + successful */
u64 orig_data_size;
u64 compr_data_size;
u64 mem_used_total;
- u64 bdev_num_reads; /* no. of reads on backing dev */
- u64 bdev_num_writes; /* no. of writes on backing dev */
} __attribute__ ((packed, aligned(4)));
#define RZSIO_SET_DISKSIZE_KB _IOW('z', 0, size_t)
-#define RZSIO_SET_MEMLIMIT_KB _IOW('z', 1, size_t)
-#define RZSIO_SET_BACKING_SWAP _IOW('z', 2, unsigned char[MAX_SWAP_NAME_LEN])
-#define RZSIO_GET_STATS _IOR('z', 3, struct ramzswap_ioctl_stats)
-#define RZSIO_INIT _IO('z', 4)
-#define RZSIO_RESET _IO('z', 5)
+#define RZSIO_GET_STATS _IOR('z', 1, struct ramzswap_ioctl_stats)
+#define RZSIO_INIT _IO('z', 2)
+#define RZSIO_RESET _IO('z', 3)
#endif