From: Jianpeng Ma <jianpeng.ma@intel.com>
Date: Fri, 17 Oct 2014 05:19:59 +0000 (+0800)
Subject: librbd: fix compile warning in librbd/internal.cc.
X-Git-Tag: v0.88~60^2~1
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=a49255f34c5ba8c06b8e8660e49dd984ae3d41f1;p=ceph.git

librbd: fix compile warning in librbd/internal.cc.

librbd/internal.cc: In function 'void
librbd::readahead(librbd::ImageCtx*, const std::vector<std::pair<long
unsigned int, long unsigned int> >&, const md_config_t*)':
librbd/internal.cc:3150:38: warning: comparison between signed and
unsigned integer expressions [-Wsign-compare]
       ictx->total_bytes_read > conf->rbd_readahead_disable_after_bytes;
                                      ^

Signed-off-by: Jianpeng Ma <jianpeng.ma@intel.com>
---

diff --git a/src/librbd/internal.cc b/src/librbd/internal.cc
index 7053cc9e081..5fe47b44cb6 100644
--- a/src/librbd/internal.cc
+++ b/src/librbd/internal.cc
@@ -3147,7 +3147,7 @@ reprotect_and_return_err:
     }
     ictx->md_lock.get_write();
     bool abort = conf->rbd_readahead_disable_after_bytes != 0 &&
-      ictx->total_bytes_read > conf->rbd_readahead_disable_after_bytes;
+      ictx->total_bytes_read > (uint64_t)conf->rbd_readahead_disable_after_bytes;
     ictx->total_bytes_read += total_bytes;
     ictx->snap_lock.get_read();
     uint64_t image_size = ictx->get_image_size(ictx->snap_id);