| commit | ee17fc8005287d2d6ca7cab6e814e5043d773735 | [log] [tgz] |
|---|---|---|
| author | David Sterba <dsterba@suse.com> | Tue Apr 26 16:22:06 2016 +0200 |
| committer | David Sterba <dsterba@suse.com> | Fri May 06 15:22:49 2016 +0200 |
| tree | 17d8f4c3a5bf27587fa7dadf730a2ef4f88798cd | |
| parent | 66ac9fe7bacf9fa76c472efc7a7aaa590c7bce6a [diff] |
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>