#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. */
/* 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
#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;