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    SubjectRe: [PATCH 09/18] fs: Introduce per-bucket inode hash locks
    > +
    > +/**
    > + * hlist_bl_lock - lock a hash list
    > + * @h: hash list head to lock
    > + */
    > +static inline void hlist_bl_lock(struct hlist_bl_head *h)
    > +{
    > + bit_spin_lock(0, (unsigned long *)h);
    > +}
    > +
    > +/**
    > + * hlist_bl_unlock - unlock a hash list
    > + * @h: hash list head to unlock
    > + */
    > +static inline void hlist_bl_unlock(struct hlist_bl_head *h)
    > +{
    > + __bit_spin_unlock(0, (unsigned long *)h);
    > +}

    I think the locking helpers should come with the rest of the bl_list
    implementation in patch1.


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