From mboxrd@z Thu Jan 1 00:00:00 1970
From: bugzilla-daemon@bugzilla.kernel.org
Subject: [Bug 151491] free space lossage on busy system with bigalloc enabled
and 128KB cluster
Date: Sat, 06 Aug 2016 12:54:07 +0000
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--- Comment #1 from Matthew L. Martin ---
The fault is in linux 4.4.16. After running the populate script for a few hours
du and df disagree a great deal:
# df -h /mnt/hdd_sd[gh]; du -hs /mnt/hdd_sd[gh]
Filesystem Size Used Avail Use% Mounted on
/dev/sdg 5.5T 129G 5.3T 3% /mnt/hdd_sdg
/dev/sdh 5.5T 20G 5.4T 1% /mnt/hdd_sdh
20G /mnt/hdd_sdg
20G /mnt/hdd_sdh
# lsof | grep -e sdg -e sdh
jbd2/sdg- 32609 root cwd DIR 9,127 4096
192 /
jbd2/sdg- 32609 root rtd DIR 9,127 4096
192 /
jbd2/sdg- 32609 root txt unknown
/proc/32609/exe
jbd2/sdh- 32614 root cwd DIR 9,127 4096
192 /
jbd2/sdh- 32614 root rtd DIR 9,127 4096
192 /
jbd2/sdh- 32614 root txt unknown
/proc/32614/exe
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