X-Git-Url: https://mattmccutchen.net/rsync/rsync.git/blobdiff_plain/9352b0649b8d6aa21d9d567c1d819a0fa26c7b01..0596df00b3dc0ad31365514ab55ab191e27a3ad4:/rsync.h

diff --git a/rsync.h b/rsync.h
index aa22cfe9..d37243ac 100644
--- a/rsync.h
+++ b/rsync.h
@@ -80,8 +80,8 @@
  * unlikely to begin by sending a byte between MIN_PROTOCL_VERSION and
  * MAX_PROTOCOL_VERSION. */
 
-#define MIN_PROTOCOL_VERSION 19
-#define OLD_PROTOCOL_VERSION 20
+#define MIN_PROTOCOL_VERSION 20
+#define OLD_PROTOCOL_VERSION 25
 #define MAX_PROTOCOL_VERSION 40
 
 #define RSYNC_PORT 873
@@ -112,8 +112,6 @@
 #define FULL_FLUSH	1
 #define NORMAL_FLUSH	0
 
-#define CLEAR_STRUCT	0
-#define FREE_STRUCT	1
 
 /* Log-message categories.  FLOG is only used on the daemon side to
  * output messages to the log file. */
@@ -254,6 +252,7 @@ enum msgcode {
 
 #include <assert.h>
 
+#include "lib/pool_alloc.h"
 
 #define BOOL int
 
@@ -408,23 +407,23 @@ struct idev {
 #define F_NEXT	link_u.links->next
 
 struct file_struct {
-	time_t modtime;
-	OFF_T length;
-	mode_t mode;
 	union {
 		DEV64_T rdev;	/* The device number, if this is a device */
 		char *sum;	/* Only a normal file can have a checksum */
 		char *link;	/* Holds symlink string, if a symlink */
 	} u;
+	OFF_T length;
+	char *basename;
+	char *dirname;
+	char *basedir;
 	union {
 		struct idev *idev;
 		struct hlink *links;
 	} link_u;
-	char *basename;
-	char *dirname;
-	char *basedir;
+	time_t modtime;
 	uid_t uid;
 	gid_t gid;
+	mode_t mode;
 	uchar flags;	/* this item MUST remain last */
 };
 
@@ -435,9 +434,26 @@ struct file_struct {
 #define FLIST_START	(32 * 1024)
 #define FLIST_LINEAR	(FLIST_START * 512)
 
+/*
+ * Extent size for allocation pools A minimum size of 128KB
+ * is needed to mmap them so that freeing will release the
+ * space to the OS.
+ *
+ * Larger sizes reduce leftover fragments and speed free calls
+ * (when they happen) Smaller sizes increase the chance of
+ * freed allocations freeing whole extents.
+ */
+#define FILE_EXTENT	(256 * 1024)
+#define HLINK_EXTENT	(128 * 1024)
+
+#define WITH_HLINK	1
+#define WITHOUT_HLINK	0
+
 struct file_list {
 	int count;
 	int malloced;
+	alloc_pool_t file_pool;
+	alloc_pool_t hlink_pool;
 	struct file_struct **files;
 };