[LU-6320] Default directory striping alone wasn't inherited by child directories

• Type: Bug
• Resolution: Fixed
• Priority: Minor
• Fix Version/s: Lustre 2.8.0
• Affects Version/s: Lustre 2.7.0
• Severity: 3
• Assignee: Di Wang
• Reporter: Di Wang

Description

If the parent has default stripeEA, when creating the sub directory, we should use master object MDT index as the master stripe MDT index, instead of the one in the default stripeEA, which might be -1.