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    SubjectRe: [PATCH RFC V2 14/17] dax: Stray write protection for dax_direct_access()
    On Fri, Jul 17, 2020 at 12:20:53AM -0700, ira.weiny@intel.com wrote:

    > --- a/drivers/dax/super.c
    > +++ b/drivers/dax/super.c
    > @@ -30,12 +30,14 @@ static DEFINE_SPINLOCK(dax_host_lock);
    >
    > int dax_read_lock(void)
    > {
    > + dev_access_enable();
    > return srcu_read_lock(&dax_srcu);
    > }
    > EXPORT_SYMBOL_GPL(dax_read_lock);
    >
    > void dax_read_unlock(int id)
    > {
    > + dev_access_disable();
    > srcu_read_unlock(&dax_srcu, id);
    > }
    > EXPORT_SYMBOL_GPL(dax_read_unlock);

    This is inconsistently ordered.

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