fix build on 32bit

Signed-off-by: Igor Gnatenko <ignatenkobrain@fedoraproject.org>

0001-cast-stat.f_bsize-to-u64.patch

@@ -0,0 +1,60 @@
+From fb276f9634e2a2aa935fb23e541cb2d60674f756 Mon Sep 17 00:00:00 2001
+From: Igor Gnatenko <ignatenko@redhat.com>
+Date: Mon, 8 Jan 2018 01:52:33 +0100
+Subject: [PATCH] cast stat.f_bsize to u64
+
+It's defined as c_ulong and compilation fails on 32bit systems with:
+   --> src/engine/strat_engine/thinpool/filesystem.rs:233:30
+    |
+233 |     Ok((Bytes(stat.f_bsize * stat.f_blocks), Bytes(stat.f_bsize * (stat.f_blocks - stat.f_bfree))))
+    |                              ^^^^^^^^^^^^^ expected u32, found u64
+error[E0308]: mismatched types
+   --> src/engine/strat_engine/thinpool/filesystem.rs:233:15
+    |
+233 |     Ok((Bytes(stat.f_bsize * stat.f_blocks), Bytes(stat.f_bsize * (stat.f_blocks - stat.f_bfree))))
+    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected u64, found u32
+error[E0277]: the trait bound `u32: std::ops::Mul<u64>` is not satisfied
+   --> src/engine/strat_engine/thinpool/filesystem.rs:233:28
+    |
+233 |     Ok((Bytes(stat.f_bsize * stat.f_blocks), Bytes(stat.f_bsize * (stat.f_blocks - stat.f_bfree))))
+    |                            ^ no implementation for `u32 * u64`
+    |
+    = help: the trait `std::ops::Mul<u64>` is not implemented for `u32`
+error[E0308]: mismatched types
+   --> src/engine/strat_engine/thinpool/filesystem.rs:233:67
+    |
+233 |     Ok((Bytes(stat.f_bsize * stat.f_blocks), Bytes(stat.f_bsize * (stat.f_blocks - stat.f_bfree))))
+    |                                                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected u32, found u64
+error[E0308]: mismatched types
+   --> src/engine/strat_engine/thinpool/filesystem.rs:233:52
+    |
+233 |     Ok((Bytes(stat.f_bsize * stat.f_blocks), Bytes(stat.f_bsize * (stat.f_blocks - stat.f_bfree))))
+    |                                                    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected u64, found u32
+error[E0277]: the trait bound `u32: std::ops::Mul<u64>` is not satisfied
+   --> src/engine/strat_engine/thinpool/filesystem.rs:233:65
+    |
+233 |     Ok((Bytes(stat.f_bsize * stat.f_blocks), Bytes(stat.f_bsize * (stat.f_blocks - stat.f_bfree))))
+    |                                                                 ^ no implementation for `u32 * u64`
+    |
+    = help: the trait `std::ops::Mul<u64>` is not implemented for `u32`
+
+Fixes: https://github.com/stratis-storage/stratisd/issues/707
+Signed-off-by: Igor Gnatenko <ignatenko@redhat.com>
+---
+ src/engine/strat_engine/thinpool/filesystem.rs | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/src/engine/strat_engine/thinpool/filesystem.rs b/src/engine/strat_engine/thinpool/filesystem.rs
+index d381644..97aa5d4 100644
+--- a/src/engine/strat_engine/thinpool/filesystem.rs
++++ b/src/engine/strat_engine/thinpool/filesystem.rs
+@@ -230,5 +230,5 @@ impl Recordable<FilesystemSave> for StratFilesystem {
+ pub fn fs_usage(mount_point: &Path) -> EngineResult<(Bytes, Bytes)> {
+     let mut stat = Statvfs::default();
+     statvfs(mount_point, &mut stat)?;
+-    Ok((Bytes(stat.f_bsize * stat.f_blocks), Bytes(stat.f_bsize * (stat.f_blocks - stat.f_bfree))))
++    Ok((Bytes(stat.f_bsize as u64 * stat.f_blocks), Bytes(stat.f_bsize as u64 * (stat.f_blocks - stat.f_bfree))))
+ }
+-- 
+2.15.1
+

stratisd.spec

@@ -19,6 +19,8 @@ Patch0003:      0003-deps-update-byteorder-to-1.patch
 Patch0004:      0004-deps-update-env_logger-to-0.4.patch
 Patch0005:      0005-deps-update-clap-to-2.patch
 Patch0006:      0006-deps-update-loopdev-to-0.2.patch
+# https://github.com/stratis-storage/stratisd/pull/709
+Patch1001:      0001-cast-stat.f_bsize-to-u64.patch
 
 ExclusiveArch:  %{rust_arches}