[LU-9708] "ls -s" result changed over time

• Type: Bug
• Resolution: Not a Bug
• Priority: Minor
• Affects Version/s: Lustre 2.10.0
• Environment: Lustre Build: https://build.hpdd.intel.com/job/lustre-master/3607/; Distro: RHEL 7.3
• Severity: 3
• Assignee: WC Triage
• Reporter: Jian Yu

Description

"ls -s" result changed over time:

# pwd
/mnt/lustre
# ls -s
total 0
# touch f
# ls -s f
0 f
# echo a > f
# ls -s f
1 f
# ls -s f
4 f

After about 30 seconds, the allocated size of file f was changed from 1 block to 4 blocks.