include/linux/coda_psdev.h

   1 #ifndef __CODA_PSDEV_H
   2 #define __CODA_PSDEV_H
   3
   4 #include <linux/backing-dev.h>
   5 #include <linux/mutex.h>
   6 #include <uapi/linux/coda_psdev.h>
   7
   8 struct kstatfs;
   9
  10 /* communication pending/processing queues */
  11 struct venus_comm {
  12         u_long              vc_seq;
  13         wait_queue_head_t   vc_waitq; /* Venus wait queue */
  14         struct list_head    vc_pending;
  15         struct list_head    vc_processing;
  16         int                 vc_inuse;
  17         struct super_block *vc_sb;
  18         struct mutex        vc_mutex;
  19 };
  20
  21
  22 static inline struct venus_comm *coda_vcp(struct super_block *sb)
  23 {
  24         return (struct venus_comm *)((sb)->s_fs_info);
  25 }
  26
  27 /* upcalls */
  28 int venus_rootfid(struct super_block *sb, struct CodaFid *fidp);
  29 int venus_getattr(struct super_block *sb, struct CodaFid *fid,
  30                   struct coda_vattr *attr);
  31 int venus_setattr(struct super_block *, struct CodaFid *, struct coda_vattr *);
  32 int venus_lookup(struct super_block *sb, struct CodaFid *fid,
  33                  const char *name, int length, int *type,
  34                  struct CodaFid *resfid);
  35 int venus_close(struct super_block *sb, struct CodaFid *fid, int flags,
  36                 kuid_t uid);
  37 int venus_open(struct super_block *sb, struct CodaFid *fid, int flags,
  38                struct file **f);
  39 int venus_mkdir(struct super_block *sb, struct CodaFid *dirfid,
  40                 const char *name, int length,
  41                 struct CodaFid *newfid, struct coda_vattr *attrs);
  42 int venus_create(struct super_block *sb, struct CodaFid *dirfid,
  43                  const char *name, int length, int excl, int mode,
  44                  struct CodaFid *newfid, struct coda_vattr *attrs) ;
  45 int venus_rmdir(struct super_block *sb, struct CodaFid *dirfid,
  46                 const char *name, int length);
  47 int venus_remove(struct super_block *sb, struct CodaFid *dirfid,
  48                  const char *name, int length);
  49 int venus_readlink(struct super_block *sb, struct CodaFid *fid,
  50                    char *buffer, int *length);
  51 int venus_rename(struct super_block *, struct CodaFid *new_fid,
  52                  struct CodaFid *old_fid, size_t old_length,
  53                  size_t new_length, const char *old_name,
  54                  const char *new_name);
  55 int venus_link(struct super_block *sb, struct CodaFid *fid,
  56                   struct CodaFid *dirfid, const char *name, int len );
  57 int venus_symlink(struct super_block *sb, struct CodaFid *fid,
  58                   const char *name, int len, const char *symname, int symlen);
  59 int venus_access(struct super_block *sb, struct CodaFid *fid, int mask);
  60 int venus_pioctl(struct super_block *sb, struct CodaFid *fid,
  61                  unsigned int cmd, struct PioctlData *data);
  62 int coda_downcall(struct venus_comm *vcp, int opcode, union outputArgs *out);
  63 int venus_fsync(struct super_block *sb, struct CodaFid *fid);
  64 int venus_statfs(struct dentry *dentry, struct kstatfs *sfs);
  65
  66 /*
  67  * Statistics
  68  */
  69
  70 extern struct venus_comm coda_comms[];
  71 #endif