X-Git-Url: https://mattmccutchen.net/rsync/rsync.git/blobdiff_plain/f38bd4a07235e63dbfa02a8d72850556ae8810fb..b6609cafae8188e083ab2ff4aac3b40651278e8f:/generator.c

diff --git a/generator.c b/generator.c
index b8968925..b431cb74 100644
--- a/generator.c
+++ b/generator.c
@@ -47,10 +47,12 @@ extern int link_dest;
 extern int whole_file;
 extern int local_server;
 extern int list_only;
+extern int read_batch;
 extern int only_existing;
 extern int orig_umask;
 extern int safe_symlinks;
 extern unsigned int block_size;
+extern unsigned int max_map_size;
 
 extern struct exclude_list_struct server_exclude_list;
 
@@ -161,7 +163,9 @@ static void sum_sizes_sqroot(struct sum_struct *sum, uint64 len)
 			c >>= 1;
 		} while (c >= 8);	/* round to multiple of 8 */
 		blength = MAX(blength, BLOCK_SIZE);
+		blength = MIN(blength, MAX_MAP_SIZE);
 	}
+	max_map_size = MAX(MAX_MAP_SIZE, blength * 32);
 
 	if (protocol_version < 27) {
 		s2length = csum_length;
@@ -205,7 +209,7 @@ static void sum_sizes_sqroot(struct sum_struct *sum, uint64 len)
  *
  * Generate approximately one checksum every block_len bytes.
  */
-static void generate_and_send_sums(struct map_struct *buf, size_t len, int f_out)
+static void generate_and_send_sums(struct map_struct *buf, OFF_T len, int f_out)
 {
 	size_t i;
 	struct sum_struct sum;
@@ -394,6 +398,9 @@ static void recv_generator(char *fname, struct file_struct *file, int i,
 	}
 #endif
 
+	if (read_batch)
+		return;
+
 	if (preserve_hard_links && hard_link_check(file, HL_CHECK_MASTER))
 		return;