Zhe Zhang updated HDFS-10745:
    Attachment: HDFS-10745-branch-2.7.02.patch

The {{FSDirWriteFileOp}} refactor made the cherry-pick really messy. I ended up 
manually redoing the change for {{FSNamesystem}} and {{FSDirStatAndListingOp}}. 
I verified that this patch passes the reported failures from last Jenkins run.

> Directly resolve paths into INodesInPath
> ----------------------------------------
>                 Key: HDFS-10745
>                 URL: https://issues.apache.org/jira/browse/HDFS-10745
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: hdfs
>            Reporter: Daryn Sharp
>            Assignee: Daryn Sharp
>             Fix For: 2.8.0, 3.0.0-alpha1
>         Attachments: HDFS-10745-branch-2.7.01.patch, 
> HDFS-10745-branch-2.7.02.patch, HDFS-10745-branch-2.7.patch, 
> HDFS-10745.2.patch, HDFS-10745.branch-2.patch, HDFS-10745.patch
> The intermediate resolution to a string, only to be decomposed by 
> {{INodesInPath}} back into a byte[][] can be eliminated by resolving directly 
> to an IIP.  The IIP will contain the resolved path if required.

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