[LU-12501] lfs df can never return

• Type: Bug
• Resolution: Fixed
• Priority: Major
• Fix Version/s: Lustre 2.13.0, Lustre 2.12.3
• Affects Version/s: Lustre 2.13.0
• Labels: patch
• Environment: Any lustre client
• Severity: 3
• Assignee: Andreas Dilger
• Reporter: James A Simmons

Description

In recent testing I have encounter cases were running lfs df never returns. Today I sat down to track down why it never returns. The reason is this loop never exits in showdf() in lfs.c.

for (i = 0, state = stat->os_state; state != 0; i++)

{ ... }