patch-2.1.132 linux/include/linux/coda_psdev.h

• Lines: 119
• Date: Mon Dec 21 14:23:28 1998
• Orig file: v2.1.131/linux/include/linux/coda_psdev.h
• Orig date: Thu Jul 16 18:09:29 1998

diff -u --recursive --new-file v2.1.131/linux/include/linux/coda_psdev.h linux/include/linux/coda_psdev.h
@@ -4,16 +4,8 @@
 #define CODA_PSDEV_MAJOR 67
 #define MAX_CODADEVS  5	   /* how many do we allow */
 
-extern struct vcomm psdev_vcomm[];
-
-/* queue stuff; the rest is static to psdev.c */
-struct queue {
-    struct queue *forw, *back;
-};
-void coda_q_insert(struct queue *el, struct queue *q);
-void coda_q_remove(struct queue *q);
-
-
+extern struct venus_comm coda_upc_comm;
+extern struct coda_sb_info coda_super_info;
 #define CODA_SUPER_MAGIC	0x73757245
 
 struct coda_sb_info
@@ -21,31 +13,23 @@
 	struct inode *      sbi_psdev;     /* /dev/cfs? Venus/kernel device */
 	struct inode *      sbi_ctlcp;     /* control magic file */
 	int                 sbi_refct;
-	struct vcomm *      sbi_vcomm;
+	struct venus_comm *      sbi_vcomm;
 	struct inode *      sbi_root;
+	struct super_block *sbi_sb;
 	struct list_head    sbi_cchead;
 	struct list_head    sbi_volroothead;
 };
 
-/* communication pending/processing queues queues */
-struct vcomm {
+/* communication pending/processing queues */
+struct venus_comm {
 	u_long		    vc_seq;
 	struct wait_queue  *vc_waitq; /* Venus wait queue */
-	struct queue	    vc_pending;
-	struct queue	    vc_processing;
-	struct super_block *vc_sb;
+	struct list_head    vc_pending;
+	struct list_head    vc_processing;
 	int                 vc_inuse;
+	pid_t               vc_pid;   /* Venus pid */
 };
 
-static inline int vcomm_open(struct vcomm *vcp)
-{
-        return ((vcp)->vc_pending.forw != NULL);
-}
-
-static inline void mark_vcomm_closed(struct vcomm *vcp)
-{
-        (vcp)->vc_pending.forw = NULL;
-}
 
 static inline struct coda_sb_info *coda_sbp(struct super_block *sb)
 {
@@ -67,7 +51,8 @@
 int venus_lookup(struct super_block *sb, struct ViceFid *fid, 
 		    const char *name, int length, int *type, 
 		    struct ViceFid *resfid);
-int venus_release(struct super_block *sb, struct ViceFid *fid, int flags);
+int venus_release(struct super_block *sb, struct ViceFid *fid, int flags,
+		  struct coda_cred *);
 int venus_open(struct super_block *sb, struct ViceFid *fid,
 		  int flags, ino_t *ino, dev_t *dev);
 int venus_mkdir(struct super_block *sb, struct ViceFid *dirfid, 
@@ -100,18 +85,22 @@
 /* messages between coda filesystem in kernel and Venus */
 extern int coda_hard;
 extern unsigned long coda_timeout;
-struct vmsg {
-	struct queue        vm_chain;
-	caddr_t	        vm_data;
-	u_short	        vm_flags;
-	u_short             vm_inSize;  /* Size is at most 5000 bytes */
-	u_short	        vm_outSize;
-	u_short	        vm_opcode;  /* copied from data to save lookup */
-	int		        vm_unique;
-	struct wait_queue  *vm_sleep;   /* process' wait queue */
-	unsigned long       vm_posttime;
+struct upc_req {
+	struct list_head    uc_chain;
+	caddr_t	            uc_data;
+	u_short	            uc_flags;
+	u_short             uc_inSize;  /* Size is at most 5000 bytes */
+	u_short	            uc_outSize;
+	u_short	            uc_opcode;  /* copied from data to save lookup */
+	int		    uc_unique;
+	struct wait_queue  *uc_sleep;   /* process' wait queue */
+	unsigned long       uc_posttime;
 };
 
+#define REQ_ASYNC  0x1
+#define REQ_READ   0x2
+#define REQ_WRITE  0x4
+
 
 /*
  * Statistics
@@ -119,7 +108,7 @@
 struct coda_upcallstats {
 	int	ncalls;			/* client requests */
 	int	nbadcalls;		/* upcall failures */
-	int	reqs[CFS_NCALLS];	/* count of each request */
+	int	reqs[CODA_NCALLS];	/* count of each request */
 } ;
 
 extern struct coda_upcallstats coda_callstats;
@@ -127,7 +116,7 @@
 static inline void clstats(int opcode)
 {
     coda_callstats.ncalls++;
-    if ( (0 <= opcode) && (opcode <= CFS_NCALLS) )
+    if ( (0 <= opcode) && (opcode <= CODA_NCALLS) )
 	coda_callstats.reqs[opcode]++;
     else
 	printk("clstats called with bad opcode %d\n", opcode);