coda_psdev.h | Explore in Territory

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __CODA_PSDEV_H
#define __CODA_PSDEV_H

#include <linux/backing-dev.h>
#include <linux/magic.h>
#include <linux/mutex.h>

#define CODA_PSDEV_MAJOR …
#define MAX_CODADEVS …

struct kstatfs;

/* messages between coda filesystem in kernel and Venus */
struct upc_req { … };

#define CODA_REQ_ASYNC …
#define CODA_REQ_READ …
#define CODA_REQ_WRITE …
#define CODA_REQ_ABORT …

/* communication pending/processing queues */
struct venus_comm { … };

static inline struct venus_comm *coda_vcp(struct super_block *sb)
{ … }

/* 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 *sb, 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,
		  size_t nbytes);
int venus_fsync(struct super_block *sb, struct CodaFid *fid);
int venus_statfs(struct dentry *dentry, struct kstatfs *sfs);
int venus_access_intent(struct super_block *sb, struct CodaFid *fid,
			bool *access_intent_supported,
			size_t count, loff_t ppos, int type);

/*
 * Statistics
 */

extern struct venus_comm coda_comms[];
#endif
linux/fs/coda/coda_psdev.h
