coda_psdev.h 2.6 KB

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