1 /* SPDX-License-Identifier: GPL-2.0 */
5 #include <linux/backing-dev.h>
6 #include <linux/mutex.h>
7 #include <uapi/linux/coda_psdev.h>
11 /* communication pending/processing queues */
14 wait_queue_head_t vc_waitq
; /* Venus wait queue */
15 struct list_head vc_pending
;
16 struct list_head vc_processing
;
18 struct super_block
*vc_sb
;
19 struct mutex vc_mutex
;
22 /* messages between coda filesystem in kernel and Venus */
24 struct list_head uc_chain
;
27 u_short uc_inSize
; /* Size is at most 5000 bytes */
29 u_short uc_opcode
; /* copied from data to save lookup */
31 wait_queue_head_t uc_sleep
; /* process' wait queue */
34 static inline struct venus_comm
*coda_vcp(struct super_block
*sb
)
36 return (struct venus_comm
*)((sb
)->s_fs_info
);
40 int venus_rootfid(struct super_block
*sb
, struct CodaFid
*fidp
);
41 int venus_getattr(struct super_block
*sb
, struct CodaFid
*fid
,
42 struct coda_vattr
*attr
);
43 int venus_setattr(struct super_block
*, struct CodaFid
*, struct coda_vattr
*);
44 int venus_lookup(struct super_block
*sb
, struct CodaFid
*fid
,
45 const char *name
, int length
, int *type
,
46 struct CodaFid
*resfid
);
47 int venus_close(struct super_block
*sb
, struct CodaFid
*fid
, int flags
,
49 int venus_open(struct super_block
*sb
, struct CodaFid
*fid
, int flags
,
51 int venus_mkdir(struct super_block
*sb
, struct CodaFid
*dirfid
,
52 const char *name
, int length
,
53 struct CodaFid
*newfid
, struct coda_vattr
*attrs
);
54 int venus_create(struct super_block
*sb
, struct CodaFid
*dirfid
,
55 const char *name
, int length
, int excl
, int mode
,
56 struct CodaFid
*newfid
, struct coda_vattr
*attrs
) ;
57 int venus_rmdir(struct super_block
*sb
, struct CodaFid
*dirfid
,
58 const char *name
, int length
);
59 int venus_remove(struct super_block
*sb
, struct CodaFid
*dirfid
,
60 const char *name
, int length
);
61 int venus_readlink(struct super_block
*sb
, struct CodaFid
*fid
,
62 char *buffer
, int *length
);
63 int venus_rename(struct super_block
*, struct CodaFid
*new_fid
,
64 struct CodaFid
*old_fid
, size_t old_length
,
65 size_t new_length
, const char *old_name
,
66 const char *new_name
);
67 int venus_link(struct super_block
*sb
, struct CodaFid
*fid
,
68 struct CodaFid
*dirfid
, const char *name
, int len
);
69 int venus_symlink(struct super_block
*sb
, struct CodaFid
*fid
,
70 const char *name
, int len
, const char *symname
, int symlen
);
71 int venus_access(struct super_block
*sb
, struct CodaFid
*fid
, int mask
);
72 int venus_pioctl(struct super_block
*sb
, struct CodaFid
*fid
,
73 unsigned int cmd
, struct PioctlData
*data
);
74 int coda_downcall(struct venus_comm
*vcp
, int opcode
, union outputArgs
*out
);
75 int venus_fsync(struct super_block
*sb
, struct CodaFid
*fid
);
76 int venus_statfs(struct dentry
*dentry
, struct kstatfs
*sfs
);
82 extern struct venus_comm coda_comms
[];