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#ifndef __CODA_PSDEV_H
#define __CODA_PSDEV_H
#include <linux/backing-dev.h>
#include <linux/mutex.h>
#include <uapi/linux/coda_psdev.h>
struct kstatfs;
/* communication pending/processing queues */
struct venus_comm {
u_long vc_seq;
wait_queue_head_t vc_waitq; /* Venus wait queue */
struct list_head vc_pending;
struct list_head vc_processing;
int vc_inuse;
struct super_block *vc_sb;
struct backing_dev_info bdi;
struct mutex vc_mutex;
};
static inline struct venus_comm *coda_vcp(struct super_block *sb)
{
return (struct venus_comm *)((sb)->s_fs_info);
}
/* upcalls */
int venus_rootfid(struct super_block *sb, struct CodaFid *fidp);
int venus_getattr(struct super_block *sb, struct CodaFid *fid,
struct coda_vattr *attr);
int venus_setattr(struct super_block *, struct CodaFid *, struct coda_vattr *);
int venus_lookup(struct super_block *sb, struct CodaFid *fid,
const char *name, int length, int *type,
struct CodaFid *resfid);
int venus_close(struct super_block *sb, struct CodaFid *fid, int flags,
kuid_t uid);
int venus_open(struct super_block *sb, struct CodaFid *fid, int flags,
struct file **f);
int venus_mkdir(struct super_block *sb, struct CodaFid *dirfid,
const char *name, int length,
struct CodaFid *newfid, struct coda_vattr *attrs);
int venus_create(struct super_block *sb, struct CodaFid *dirfid,
const char *name, int length, int excl, int mode,
struct CodaFid *newfid, struct coda_vattr *attrs) ;
int venus_rmdir(struct super_block *sb, struct CodaFid *dirfid,
const char *name, int length);
int venus_remove(struct super_block *sb, struct CodaFid *dirfid,
const char *name, int length);
int venus_readlink(struct super_block *sb, struct CodaFid *fid,
char *buffer, int *length);
int venus_rename(struct super_block *, struct CodaFid *new_fid,
struct CodaFid *old_fid, size_t old_length,
size_t new_length, const char *old_name,
const char *new_name);
int venus_link(struct super_block *sb, struct CodaFid *fid,
struct CodaFid *dirfid, const char *name, int len );
int venus_symlink(struct super_block *sb, struct CodaFid *fid,
const char *name, int len, const char *symname, int symlen);
int venus_access(struct super_block *sb, struct CodaFid *fid, int mask);
int venus_pioctl(struct super_block *sb, struct CodaFid *fid,
unsigned int cmd, struct PioctlData *data);
int coda_downcall(struct venus_comm *vcp, int opcode, union outputArgs *out);
int venus_fsync(struct super_block *sb, struct CodaFid *fid);
int venus_statfs(struct dentry *dentry, struct kstatfs *sfs);
/*
* Statistics
*/
extern struct venus_comm coda_comms[];
#endif