From: Sage Weil <sage@redhat.com>
Date: Thu, 31 Jul 2014 00:50:39 +0000 (-0700)
Subject: mon/OSDMonitor: fix i386 floating point rounding error
X-Git-Tag: v0.84~36^2
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=refs%2Fpull%2F2173%2Fhead;p=ceph.git

mon/OSDMonitor: fix i386 floating point rounding error

This would round .123 to .122999 on i386; now it does not.

Backport: firefly
Signed-off-by: Sage Weil <sage@redhat.com>
---

diff --git a/src/mon/OSDMonitor.cc b/src/mon/OSDMonitor.cc
index e546647bd721..a8c2c64c6b45 100644
--- a/src/mon/OSDMonitor.cc
+++ b/src/mon/OSDMonitor.cc
@@ -3684,7 +3684,7 @@ int OSDMonitor::prepare_command_pool_set(map<string,cmd_vartype> &cmdmap,
       ss << "value must be in the range 0..1";
       return -ERANGE;
     }
-    p.cache_target_dirty_ratio_micro = f * 1000000;
+    p.cache_target_dirty_ratio_micro = f * (double)1000000.0;
   } else if (var == "cache_target_full_ratio") {
     if (floaterr.length()) {
       ss << "error parsing float '" << val << "': " << floaterr;
@@ -3694,7 +3694,7 @@ int OSDMonitor::prepare_command_pool_set(map<string,cmd_vartype> &cmdmap,
       ss << "value must be in the range 0..1";
       return -ERANGE;
     }
-    p.cache_target_full_ratio_micro = f * 1000000;
+    p.cache_target_full_ratio_micro = f * (double)1000000.0;
   } else if (var == "cache_min_flush_age") {
     if (interr.length()) {
       ss << "error parsing int '" << val << "': " << interr;