4 #define CODA_PSDEV_MAJOR 67
5 #define MAX_CODADEVS 5 /* how many do we allow */
7 #define CODA_SUPER_MAGIC 0x73757245
13 struct venus_comm *sbi_vcomm;
16 /* communication pending/processing queues */
19 wait_queue_head_t vc_waitq; /* Venus wait queue */
20 struct list_head vc_pending;
21 struct list_head vc_processing;
23 struct super_block *vc_sb;
27 static inline struct coda_sb_info *coda_sbp(struct super_block *sb)
29 return ((struct coda_sb_info *)((sb)->s_fs_info));
34 int venus_rootfid(struct super_block *sb, struct CodaFid *fidp);
35 int venus_getattr(struct super_block *sb, struct CodaFid *fid,
36 struct coda_vattr *attr);
37 int venus_setattr(struct super_block *, struct CodaFid *, struct coda_vattr *);
38 int venus_lookup(struct super_block *sb, struct CodaFid *fid,
39 const char *name, int length, int *type,
40 struct CodaFid *resfid);
41 int venus_store(struct super_block *sb, struct CodaFid *fid, int flags,
43 int venus_release(struct super_block *sb, struct CodaFid *fid, int flags);
44 int venus_close(struct super_block *sb, struct CodaFid *fid, int flags,
46 int venus_open(struct super_block *sb, struct CodaFid *fid, int flags,
48 int venus_mkdir(struct super_block *sb, struct CodaFid *dirfid,
49 const char *name, int length,
50 struct CodaFid *newfid, struct coda_vattr *attrs);
51 int venus_create(struct super_block *sb, struct CodaFid *dirfid,
52 const char *name, int length, int excl, int mode,
53 struct CodaFid *newfid, struct coda_vattr *attrs) ;
54 int venus_rmdir(struct super_block *sb, struct CodaFid *dirfid,
55 const char *name, int length);
56 int venus_remove(struct super_block *sb, struct CodaFid *dirfid,
57 const char *name, int length);
58 int venus_readlink(struct super_block *sb, struct CodaFid *fid,
59 char *buffer, int *length);
60 int venus_rename(struct super_block *, struct CodaFid *new_fid,
61 struct CodaFid *old_fid, size_t old_length,
62 size_t new_length, const char *old_name,
63 const char *new_name);
64 int venus_link(struct super_block *sb, struct CodaFid *fid,
65 struct CodaFid *dirfid, const char *name, int len );
66 int venus_symlink(struct super_block *sb, struct CodaFid *fid,
67 const char *name, int len, const char *symname, int symlen);
68 int venus_access(struct super_block *sb, struct CodaFid *fid, int mask);
69 int venus_pioctl(struct super_block *sb, struct CodaFid *fid,
70 unsigned int cmd, struct PioctlData *data);
71 int coda_downcall(int opcode, union outputArgs *out, struct super_block *sb);
72 int venus_fsync(struct super_block *sb, struct CodaFid *fid);
73 int venus_statfs(struct dentry *dentry, struct kstatfs *sfs);
76 /* messages between coda filesystem in kernel and Venus */
78 extern unsigned long coda_timeout;
80 struct list_head uc_chain;
83 u_short uc_inSize; /* Size is at most 5000 bytes */
85 u_short uc_opcode; /* copied from data to save lookup */
87 wait_queue_head_t uc_sleep; /* process' wait queue */
88 unsigned long uc_posttime;
101 extern struct venus_comm coda_comms[];