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linux/fs/btrfs/sysfs.c
David Sterba ee17fc8005 btrfs: sysfs: protect reading label by lock 
If the label setting ioctl races with sysfs label handler, we could get
mixed result in the output, part old part new. We should either get the
old or new label. The chances to hit this race are low.

Signed-off-by: David Sterba <dsterba@suse.com>
2016-05-06 15:22:49 +02:00

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