HDFS-857. Incorrect type for fuse-dfs capacity can cause "df" to return negative values on 32-bit machines. Contributed by Brian Bockelman.

git-svn-id: https://svn.apache.org/repos/asf/hadoop/hdfs/trunk@921594 13f79535-47bb-0310-9956-ffa450edef68

CHANGES.txt

@@ -179,6 +179,9 @@ Trunk (unreleased changes)
     HDFS-856. Hardcoded replication level for new files in fuse-dfs.
     (Brian Bockelman via tomwhite)
 
+    HDFS-857. Incorrect type for fuse-dfs capacity can cause "df" to return
+    negative values on 32-bit machines. (Brian Bockelman via tomwhite)
+
 Release 0.21.0 - Unreleased
 
   INCOMPATIBLE CHANGES

src/contrib/fuse-dfs/src/fuse_impls_statfs.c

@@ -43,9 +43,9 @@ int dfs_statfs(const char *path, struct statvfs *st)
     return -EIO;
   }
 
-  const long cap   = hdfsGetCapacity(userFS);
-  const long used  = hdfsGetUsed(userFS);
-  const long bsize = hdfsGetDefaultBlockSize(userFS);
+  const tOffset cap   = hdfsGetCapacity(userFS);
+  const tOffset used  = hdfsGetUsed(userFS);
+  const tOffset bsize = hdfsGetDefaultBlockSize(userFS);
 
   // fill in the statvfs structure