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coda_psdev.h
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1 #ifndef _UAPI__CODA_PSDEV_H
2 #define _UAPI__CODA_PSDEV_H
3 
4 #include <linux/magic.h>
5 
6 #define CODA_PSDEV_MAJOR 67
7 #define MAX_CODADEVS 5 /* how many do we allow */
8 
9 
10 /* messages between coda filesystem in kernel and Venus */
11 struct upc_req {
15  u_short uc_inSize; /* Size is at most 5000 bytes */
17  u_short uc_opcode; /* copied from data to save lookup */
18  int uc_unique;
19  wait_queue_head_t uc_sleep; /* process' wait queue */
20 };
21 
22 #define CODA_REQ_ASYNC 0x1
23 #define CODA_REQ_READ 0x2
24 #define CODA_REQ_WRITE 0x4
25 #define CODA_REQ_ABORT 0x8
26 
27 #endif /* _UAPI__CODA_PSDEV_H */