From a7b8ae9e27fbf58b160baf840158669f1e898bed Mon Sep 17 00:00:00 2001
From: Arvid Norberg <arvid@libtorrent.org>
Date: Wed, 13 Apr 2011 06:54:56 +0000
Subject: [PATCH] fixed BSD file allocation issue

---
 ChangeLog    |  1 +
 src/file.cpp | 14 ++++++++++++--
 2 files changed, 13 insertions(+), 2 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index 80be059c3..df1f78aaa 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -85,6 +85,7 @@
 	  incoming connection
 	* added more detailed instrumentation of the disk I/O thread
 
+	* fixed BSD file allocation issue
 	* fixed bug in session::delete_files option to remove_torrent
 
 0.15.6 release
diff --git a/src/file.cpp b/src/file.cpp
index 629e11751..8babc44b6 100644
--- a/src/file.cpp
+++ b/src/file.cpp
@@ -1579,8 +1579,18 @@ namespace libtorrent
 			fstore_t f = {F_ALLOCATECONTIG, F_PEOFPOSMODE, 0, s, 0};
 			if (fcntl(m_fd, F_PREALLOCATE, &f) < 0)
 			{
-				ec.assign(errno, get_posix_category());
-				return false;
+				if (errno != ENOSPC)
+				{
+					ec.assign(errno, get_posix_category());
+					return false;
+				}
+				// ok, let's try to allocate non contiguous space then
+				fstore_t f = {F_ALLOCATEALL, F_PEOFPOSMODE, 0, s, 0};
+				if (fcntl(m_fd, F_PREALLOCATE, &f) < 0)
+				{
+					ec.assign(errno, get_posix_category());
+					return false;
+				}
 			}
 #endif // F_PREALLOCATE