Description of problem:


Version-Release number of selected component (if applicable):


How reproducible:


Steps to Reproduce:
1.On a normal XFS file system:
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0:root@vm4 ~$ #create a file.
0:root@vm4 ~$ echo > file
0:root@vm4 ~$ #fallocate 1G with keep size flag.
0:root@vm4 ~$ fallocate -o0 -l1G -n file
0:root@vm4 ~$ #check file size and disk space usage.
0:root@vm4 ~$ ll -h file
-rw-r--r--. 1 root root 1 Nov 11 22:09 file
0:root@vm4 ~$ du -h file
1.0G    file


On a normal plain distribute 1 brick volume using fuse mount:
===============================================================
0:root@vm4 fuse_mnt$ echo >file
0:root@vm4 fuse_mnt$ fallocate -o0 -l1G -n file
0:root@vm4 fuse_mnt$ ll -h file
-rw-r--r--. 1 root root 1 Nov 11 22:13 file
0:root@vm4 fuse_mnt$ du -h file
512     file -->This is wrong.
2.
3.

Actual results:
The file size is being reported as 512 on gluster mount point.

Expected results:
The file size should be reported as 1G on gluster mount point.

Additional info: