zram: get rid of lockdep warning
Lockdep complains about recursive deadlock of zram->init_lock. [1] made it false positive because we can't request IO to zram before setting disksize. Anyway, we should shut lockdep up to avoid many reporting from user. [1] : zram: force disksize setting before using zram Acked-by: NJerome Marchand <jmarchan@redhat.com> Acked-by: NNitin Gupta <ngupta@vflare.org> Signed-off-by: NMinchan Kim <minchan@kernel.org> Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
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