patch-2.1.75 linux/include/linux/coda_cnode.h

• Lines: 65
• Date: Sun Dec 21 14:45:14 1997
• Orig file: v2.1.74/linux/include/linux/coda_cnode.h
• Orig date: Wed Dec 10 11:12:46 1997

diff -u --recursive --new-file v2.1.74/linux/include/linux/coda_cnode.h linux/include/linux/coda_cnode.h
@@ -7,8 +7,6 @@
  * to the Coda project. Contact Peter Braam <coda@cs.cmu.edu>.
  */
 
-/* revamped cnode.h file: platform dependent, kernel only! */
-
 
 #ifndef	_CNODE_H_
 #define	_CNODE_H_
@@ -19,29 +17,41 @@
 
 /* defintion of cnode, which combines ViceFid with inode information */
 struct cnode {
-        struct inode    *c_vnode;    /* linux inode associated with cnode */
-        ViceFid	         c_fid;	     /* Coda identifier */
-        u_short	         c_flags;     /* flags (see below) */
-        int             c_magic;     /* to verify the data structure */
-        u_short	        c_ocount;    /* count of openers */
-        u_short         c_owrite;    /* count of open for write */
-        u_short         c_mmcount;   /* count of mmappers */
-        struct inode    *c_ovp;	     /* open vnode pointer */
-        struct dentry   c_odentry;
+        struct inode      *c_vnode;     /*  inode associated with cnode */
+        ViceFid	           c_fid;	/* Coda identifier */
+        u_short	           c_flags;     /* flags (see below) */
+        int                c_magic;     /* to verify the data structure */
+        u_short	           c_ocount;    /* count of openers */
+        u_short            c_owrite;    /* count of open for write */
+        u_short            c_mmcount;   /* count of mmappers */
+        struct inode      *c_ovp;       /* open vnode pointer */
+        struct list_head   c_cnhead;    /* head of cache entries */
 };
 
 /* flags */
 #define C_VATTR       0x1         /* Validity of vattr in the cnode */
 #define C_SYMLINK     0x2         /* Validity of symlink pointer in the cnode */
-#define C_DYING	      0x4	  /* Set for outstanding cnodes from venus (which died) */
+#define C_DYING       0x4	  /* Set for outstanding cnodes from venus (which died) */
+#define C_ZAPFID      0x8
+#define C_ZAPDIR      0x10
 
+void coda_cnode_free(struct cnode *);
 struct cnode *coda_cnode_alloc(void);
-void coda_cnode_free(struct cnode *cinode);
-int coda_cnode_make(struct inode **inode, ViceFid *fid, struct super_block *sb);
-struct inode *coda_fid2inode(ViceFid *fid, struct super_block *sb);
+int coda_cnode_make(struct inode **, struct ViceFid *, struct super_block *);
 int coda_cnode_makectl(struct inode **inode, struct super_block *sb);
+struct inode *coda_fid_to_inode(ViceFid *fid, struct super_block *sb);
 
-
+/* inode to cnode */
+static inline struct cnode *ITOC(struct inode *inode)
+{
+	return ((struct cnode *)inode->u.generic_ip);
+}
+
+/* cnode to inode */
+static inline struct inode *CTOI(struct cnode *cnode)
+{
+	return (cnode->c_vnode);
+}
 
 #endif