[LU-19969] ltrash_purge should wait for next scan if usage is below watermark in daemon mode

• Type: Bug
• Resolution: Fixed
• Priority: Medium
• Severity: 3
• Assignee: Emoly Liu
• Reporter: Emoly Liu

Description

In daemon mode, if the target usage is below the space watermark, ltrash_purge should stop the current scan, then go to sleep and wait for the next scan, but not exit.

Issue Links

• is related to: LU-19598 TCU: Clean up files from the Trash Can