This is the stat cache code - seems to work fine (needs heavy

NetBench testing though.... :-). Attempts to efficiently reduce
the number of stat() calls Samba does.
Jeremy.
(This used to be commit d0e48a2d8072c3e77a57ac6a2fb5044c05f03b41)

3 files changed, 15 insertions, 1 deletions

diff --git a/source3/include/includes.h b/source3/include/includes.h
index 38f0719164..4efa475424 100644
--- a/source3/include/includes.h
+++ b/source3/include/includes.h
@@ -419,6 +419,10 @@ union semun {
 #define HAVE_NETGROUP 1
 #endif
 
+#if defined (HAVE_NETGROUP) && defined(HAVE_RPCSVC_YPCLNT_H)
+#include "rpcsvc/ypclnt.h"
+#endif
+
 #ifndef ALLOW_CHANGE_PASSWORD
 #if (defined(HAVE_TERMIOS_H) && defined(HAVE_DUP2) && defined(HAVE_SETSID))
 #define ALLOW_CHANGE_PASSWORD 1
diff --git a/source3/include/proto.h b/source3/include/proto.h
index a96092511f..85e00b375b 100644
--- a/source3/include/proto.h
+++ b/source3/include/proto.h
@@ -2000,7 +2000,9 @@ void sync_file(connection_struct *conn, files_struct *fsp);
 
 BOOL fname_equal(char *name1, char *name2);
 BOOL mangled_equal(char *name1, char *name2);
-BOOL unix_convert(char *name,connection_struct *conn,char *saved_last_component, BOOL *bad_path);
+void print_stat_cache_statistics(void);
+BOOL unix_convert(char *name,connection_struct *conn,char *saved_last_component, 
+                  BOOL *bad_path, struct stat *pst);
 BOOL check_name(char *name,connection_struct *conn);
 BOOL scan_directory(char *path, char *name,connection_struct *conn,BOOL docache);
 
diff --git a/source3/include/smb.h b/source3/include/smb.h
index 31e3b645b1..b615d09708 100644
--- a/source3/include/smb.h
+++ b/source3/include/smb.h
@@ -908,6 +908,14 @@ struct bitmap {
 #define IS_VETO_PATH(conn,path)  ((conn) && is_in_path((path),(conn)->veto_list))
 #define IS_VETO_OPLOCK_PATH(conn,path)  ((conn) && is_in_path((path),(conn)->veto_oplock_list))
 
+/* 
+ * Used by the stat cache code to check if a returned
+ * stat structure is valid.
+ */
+
+#define VALID_STAT(st) (st.st_nlink != 0)  
+#define VALID_STAT_OF_DIR(st) (VALID_STAT(st) && S_ISDIR(st.st_mode))
+
 #define SMBENCRYPT()       (lp_encrypted_passwords())
 
 /* the basic packet size, assuming no words or bytes */