X-Git-Url: https://mattmccutchen.net/rsync/rsync.git/blobdiff_plain/57edc4808f566fbaa58ec96bc7e543b1ccb92ab9..b223d96bf0d040cfa445a45213fc517ab8389785:/rsync.h

diff --git a/rsync.h b/rsync.h
index 2366f576..99c7d6c4 100644
--- a/rsync.h
+++ b/rsync.h
@@ -60,7 +60,7 @@
 #define XMIT_RDEV_MINOR_8_pre30 (1<<11)	/* protocols 28 - 29  */
 #define XMIT_GROUP_NAME_FOLLOWS (1<<11) /* protocols 30 - now */
 #define XMIT_HLINK_FIRST (1<<12)	/* protocols 30 - now (HLINKED files only) */
-#define XMIT_IO_ERROR_ENDLIST (1<<12)	/* protocols 31 - now (w/XMIT_EXTENDED_FLAGS) */
+#define XMIT_IO_ERROR_ENDLIST (1<<12)	/* protocols 31*- now (w/XMIT_EXTENDED_FLAGS) (also protocol 30 w/'f' compat flag) */
 #define XMIT_MOD_NSEC (1<<13)		/* protocols 31 - now */
 
 /* These flags are used in the live flist data. */
@@ -103,7 +103,7 @@
 /* This is used when working on a new protocol version in CVS, and should
  * be a new non-zero value for each CVS change that affects the protocol.
  * It must ALWAYS be 0 when the protocol goes final (and NEVER before)! */
-#define SUBPROTOCOL_VERSION 12
+#define SUBPROTOCOL_VERSION 13
 
 /* We refuse to interoperate with versions that are not in this range.
  * Note that we assume we'll work with later versions: the onus is on
@@ -665,6 +665,21 @@ struct ht_int64_node {
 #define ACLS_NEED_MASK 1
 #endif
 
+#if defined HAVE_FALLOCATE || HAVE_SYS_FALLOCATE
+#include <linux/falloc.h>
+#ifdef FALLOC_FL_KEEP_SIZE
+#define SUPPORT_PREALLOCATION 1
+#elif defined HAVE_FTRUNCATE
+#define SUPPORT_PREALLOCATION 1
+#define PREALLOCATE_NEEDS_TRUNCATE 1
+#endif
+#else /* !fallocate */
+#if defined HAVE_EFFICIENT_POSIX_FALLOCATE && defined HAVE_FTRUNCATE
+#define SUPPORT_PREALLOCATION 1
+#define PREALLOCATE_NEEDS_TRUNCATE 1
+#endif
+#endif
+
 union file_extras {
 	int32 num;
 	uint32 unum;