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Michael Chan authored
This sysfs attribute is proven to be useful during pivot_root. Signed-off-by: Michael Chan <mchan@broadcom.com> Signed-off-by: Eddie Wai <eddie.wai@broadcom.com> Reviewed-by: Benjamin Li <benli@broadcom.com> Acked-by: Anil Veerabhadrappa <anilgv@broadcom.com> Reviewed-by: Mike Christie <michaelc@cs.wisc.edu> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
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