Alexey Serbin has submitted this change and it was merged. ( 
http://gerrit.cloudera.org:8080/20894 )

Change subject: Fix CheckHolePunch for bigger than 4k blocks.
......................................................................

Fix CheckHolePunch for bigger than 4k blocks.

With the new 64k ARM core, you can use filesystems with up to 64k block
size.
Currently Kudu does not start if the data is on a filesystem with larger
than 4k blocks.
Problem: CheckHolePunch has hard-coded 4k block size instead of using the
get env->GetBlockSize.
Kudu seems to be running fine on a 64k fs after this fix.

More info:
https://kudu.apache.org/docs/troubleshooting.html#req_hole_punching

Change-Id: Ib4af73f0aa25db674fe0a34355cecd27a0c68417
Reviewed-on: http://gerrit.cloudera.org:8080/20894
Tested-by: Kudu Jenkins
Reviewed-by: Alexey Serbin <[email protected]>
---
M src/kudu/fs/dir_util.cc
1 file changed, 8 insertions(+), 6 deletions(-)

Approvals:
  Kudu Jenkins: Verified
  Alexey Serbin: Looks good to me, approved

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Gerrit-Project: kudu
Gerrit-Branch: master
Gerrit-MessageType: merged
Gerrit-Change-Id: Ib4af73f0aa25db674fe0a34355cecd27a0c68417
Gerrit-Change-Number: 20894
Gerrit-PatchSet: 6
Gerrit-Owner: Zoltan Martonka <[email protected]>
Gerrit-Reviewer: Abhishek Chennaka <[email protected]>
Gerrit-Reviewer: Alexey Serbin <[email protected]>
Gerrit-Reviewer: Ashwani Raina <[email protected]>
Gerrit-Reviewer: Kudu Jenkins (120)
Gerrit-Reviewer: Wang Xixu <[email protected]>
Gerrit-Reviewer: Zoltan Martonka <[email protected]>

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