btrfs: add read-only check to sysfs handler of features

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We don't want to trigger the change on a read-only filesystem, similar
to what the label handler does.

Signed-off-by: David Sterba <dsterba@suse.cz>

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David Sterba 2015-01-23 18:43:31 +01:00 • committed by David Sterba

parent e6c11f9a46

commit ee6111386a

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fs/btrfs/sysfs.c

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