btrfs: fix perms on demonstration debugfs interface

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btrfs provides a helpful demonstration of how to export
a global variable via debugfs; however, it is unique among
other debugfs files in that it is world-writable, which causes
some concern to people who are not familiar with its purpose.

Fix it so that it is only user-writable.

Signed-off-by: Eric Sandeen <sandeen@redhat.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>

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Eric Sandeen 2016-08-31 16:49:29 -05:00 • committed by David Sterba

parent c79a175175

commit 07f6a48043

1 changed files with 1 additions and 1 deletions

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fs/btrfs/sysfs.c

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