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 8struct kstatfs; 9 10/* communication pending/processing queues */ 11struct 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 backing_dev_info bdi; 19 struct mutex vc_mutex; 20}; 21 22 23static inline struct venus_comm *coda_vcp(struct super_block *sb) 24{ 25 return (struct venus_comm *)((sb)->s_fs_info); 26} 27 28/* upcalls */ 29int venus_rootfid(struct super_block *sb, struct CodaFid *fidp); 30int venus_getattr(struct super_block *sb, struct CodaFid *fid, 31 struct coda_vattr *attr); 32int venus_setattr(struct super_block *, struct CodaFid *, struct coda_vattr *); 33int venus_lookup(struct super_block *sb, struct CodaFid *fid, 34 const char *name, int length, int *type, 35 struct CodaFid *resfid); 36int venus_close(struct super_block *sb, struct CodaFid *fid, int flags, 37 kuid_t uid); 38int venus_open(struct super_block *sb, struct CodaFid *fid, int flags, 39 struct file **f); 40int venus_mkdir(struct super_block *sb, struct CodaFid *dirfid, 41 const char *name, int length, 42 struct CodaFid *newfid, struct coda_vattr *attrs); 43int venus_create(struct super_block *sb, struct CodaFid *dirfid, 44 const char *name, int length, int excl, int mode, 45 struct CodaFid *newfid, struct coda_vattr *attrs) ; 46int venus_rmdir(struct super_block *sb, struct CodaFid *dirfid, 47 const char *name, int length); 48int venus_remove(struct super_block *sb, struct CodaFid *dirfid, 49 const char *name, int length); 50int venus_readlink(struct super_block *sb, struct CodaFid *fid, 51 char *buffer, int *length); 52int venus_rename(struct super_block *, struct CodaFid *new_fid, 53 struct CodaFid *old_fid, size_t old_length, 54 size_t new_length, const char *old_name, 55 const char *new_name); 56int venus_link(struct super_block *sb, struct CodaFid *fid, 57 struct CodaFid *dirfid, const char *name, int len ); 58int venus_symlink(struct super_block *sb, struct CodaFid *fid, 59 const char *name, int len, const char *symname, int symlen); 60int venus_access(struct super_block *sb, struct CodaFid *fid, int mask); 61int venus_pioctl(struct super_block *sb, struct CodaFid *fid, 62 unsigned int cmd, struct PioctlData *data); 63int coda_downcall(struct venus_comm *vcp, int opcode, union outputArgs *out); 64int venus_fsync(struct super_block *sb, struct CodaFid *fid); 65int venus_statfs(struct dentry *dentry, struct kstatfs *sfs); 66 67/* 68 * Statistics 69 */ 70 71extern struct venus_comm coda_comms[]; 72#endif 73