Bug 93781 - File system not unmountable
Summary: File system not unmountable
Status: NEW
Alias: None
Product: File System
Classification: Unclassified
Component: btrfs (show other bugs)
Hardware: All Linux
: P1 normal
Assignee: Josef Bacik
URL:
Keywords:
Depends on:
Blocks:
 
Reported: 2015-02-24 10:56 UTC by Matthias Urlichs
Modified: 2016-03-20 10:19 UTC (History)
1 user (show)

See Also:
Kernel Version: 3.19
Tree: Mainline
Regression: No

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Description Matthias Urlichs 2015-02-24 10:56:27 UTC 
This is btrfs with kernel 3.19. (.0-trunk from Debian), on a single volume (on top of LVM but that should not matter).

I do this, on a freshly-booted system:
# mount /foo
# cd foo
# rsync -aPHAX . /bar
[ after an hour or so ]
^C
# cd ..
# fuser -m /foo
# ps ax | grep "[ /]rsync"
# umount /foo
umount: /dev/mapper/data-foo: target is busy
# 

Any idea what could possible be going on here?
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