patch-2.1.76 linux/include/linux/coda_cache.h

• Lines: 81
• Date: Mon Dec 22 08:40:59 1997
• Orig file: v2.1.75/linux/include/linux/coda_cache.h
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.1.75/linux/include/linux/coda_cache.h linux/include/linux/coda_cache.h
@@ -0,0 +1,80 @@
+/* Coda filesystem -- Linux Minicache
+ *
+ * Copyright (C) 1989 - 1997 Carnegie Mellon University
+ *
+ * Carnegie Mellon University encourages users of this software to
+ * contribute improvements to the Coda project. Contact Peter Braam
+ * <coda@cs.cmu.edu>
+ */
+
+#ifndef _CFSNC_HEADER_
+#define _CFSNC_HEADER_
+
+/*
+ * Structure for an element in the Coda Credential Cache.
+ */
+
+struct coda_cache {
+	struct list_head   cc_cclist;  /* list of all cache entries */
+	struct list_head   cc_cnlist;  /* list of cache entries/cnode */
+	int                cc_mask;
+	struct coda_cred   cc_cred;
+};
+
+void coda_ccinsert(struct coda_cache *el, struct super_block *sb);
+void coda_cninsert(struct coda_cache *el, struct cnode *cnp);
+void coda_ccremove(struct coda_cache *el);
+void coda_cnremove(struct coda_cache *el);
+void coda_cache_create(struct inode *inode, int mask);
+struct coda_cache *coda_cache_find(struct inode *inode);
+void coda_cache_enter(struct inode *inode, int mask);
+void coda_cache_clear_cnp(struct cnode *cnp);
+void coda_cache_clear_all(struct super_block *sb);
+void coda_cache_clear_cred(struct super_block *sb, struct coda_cred *cred);
+int coda_cache_check(struct inode *inode, int mask);
+void coda_dentry_delete(struct dentry *dentry);
+void coda_zapfid(struct ViceFid *fid, struct super_block *sb, int flag);
+
+
+/*
+ * Structure to contain statistics on the cache usage
+ */
+
+struct cfsnc_statistics {
+	unsigned	hits;
+	unsigned	misses;
+	unsigned	enters;
+	unsigned	dbl_enters;
+	unsigned	long_name_enters;
+	unsigned	long_name_lookups;
+	unsigned	long_remove;
+	unsigned	lru_rm;
+	unsigned	zapPfids;
+	unsigned	zapFids;
+	unsigned	zapFile;
+	unsigned	zapUsers;
+	unsigned	Flushes;
+	unsigned        Sum_bucket_len;
+	unsigned        Sum2_bucket_len;
+	unsigned        Max_bucket_len;
+	unsigned        Num_zero_len;
+	unsigned        Search_len;
+};
+
+
+#define CFSNC_FIND		((u_long) 1)
+#define CFSNC_REMOVE		((u_long) 2)
+#define CFSNC_INIT		((u_long) 3)
+#define CFSNC_ENTER		((u_long) 4)
+#define CFSNC_LOOKUP		((u_long) 5)
+#define CFSNC_ZAPPFID		((u_long) 6)
+#define CFSNC_ZAPFID		((u_long) 7)
+#define CFSNC_ZAPVNODE		((u_long) 8)
+#define CFSNC_ZAPFILE		((u_long) 9)
+#define CFSNC_PURGEUSER	((u_long) 10)
+#define CFSNC_FLUSH		((u_long) 11)
+#define CFSNC_PRINTCFSNC	((u_long) 12)
+#define CFSNC_PRINTSTATS	((u_long) 13)
+#define CFSNC_REPLACE		((u_long) 14)
+
+#endif _CFSNC_HEADER_