forked from luck/tmp_suning_uos_patched
[XFS] Unwrap mru_lock.
Un-obfuscate mru_lock, remove mutex_lock->spin_lock macros, call spin_lock directly, remove extraneous cookie holdover from old xfs code. SGI-PV: 970382 SGI-Modid: xfs-linux-melb:xfs-kern:29745a Signed-off-by: Eric Sandeen <sandeen@sandeen.net> Signed-off-by: Donald Douwsma <donaldd@sgi.com> Signed-off-by: Tim Shimmin <tes@sgi.com>
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@ -245,7 +245,7 @@ _xfs_mru_cache_clear_reap_list(
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*/
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list_move(&elem->list_node, &tmp);
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}
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mutex_spinunlock(&mru->lock, 0);
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spin_unlock(&mru->lock);
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list_for_each_entry_safe(elem, next, &tmp, list_node) {
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@ -259,7 +259,7 @@ _xfs_mru_cache_clear_reap_list(
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kmem_zone_free(xfs_mru_elem_zone, elem);
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}
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mutex_spinlock(&mru->lock);
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spin_lock(&mru->lock);
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}
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/*
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@ -280,7 +280,7 @@ _xfs_mru_cache_reap(
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if (!mru || !mru->lists)
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return;
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mutex_spinlock(&mru->lock);
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spin_lock(&mru->lock);
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next = _xfs_mru_cache_migrate(mru, jiffies);
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_xfs_mru_cache_clear_reap_list(mru);
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@ -294,7 +294,7 @@ _xfs_mru_cache_reap(
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queue_delayed_work(xfs_mru_reap_wq, &mru->work, next);
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}
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mutex_spinunlock(&mru->lock, 0);
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spin_unlock(&mru->lock);
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}
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int
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@ -398,17 +398,17 @@ xfs_mru_cache_flush(
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if (!mru || !mru->lists)
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return;
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mutex_spinlock(&mru->lock);
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spin_lock(&mru->lock);
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if (mru->queued) {
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mutex_spinunlock(&mru->lock, 0);
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spin_unlock(&mru->lock);
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cancel_rearming_delayed_workqueue(xfs_mru_reap_wq, &mru->work);
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mutex_spinlock(&mru->lock);
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spin_lock(&mru->lock);
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}
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_xfs_mru_cache_migrate(mru, jiffies + mru->grp_count * mru->grp_time);
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_xfs_mru_cache_clear_reap_list(mru);
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mutex_spinunlock(&mru->lock, 0);
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spin_unlock(&mru->lock);
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}
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void
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@ -454,13 +454,13 @@ xfs_mru_cache_insert(
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elem->key = key;
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elem->value = value;
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mutex_spinlock(&mru->lock);
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spin_lock(&mru->lock);
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radix_tree_insert(&mru->store, key, elem);
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radix_tree_preload_end();
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_xfs_mru_cache_list_insert(mru, elem);
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mutex_spinunlock(&mru->lock, 0);
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spin_unlock(&mru->lock);
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return 0;
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}
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@ -483,14 +483,14 @@ xfs_mru_cache_remove(
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if (!mru || !mru->lists)
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return NULL;
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mutex_spinlock(&mru->lock);
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spin_lock(&mru->lock);
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elem = radix_tree_delete(&mru->store, key);
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if (elem) {
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value = elem->value;
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list_del(&elem->list_node);
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}
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mutex_spinunlock(&mru->lock, 0);
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spin_unlock(&mru->lock);
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if (elem)
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kmem_zone_free(xfs_mru_elem_zone, elem);
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@ -540,14 +540,14 @@ xfs_mru_cache_lookup(
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if (!mru || !mru->lists)
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return NULL;
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mutex_spinlock(&mru->lock);
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spin_lock(&mru->lock);
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elem = radix_tree_lookup(&mru->store, key);
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if (elem) {
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list_del(&elem->list_node);
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_xfs_mru_cache_list_insert(mru, elem);
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}
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else
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mutex_spinunlock(&mru->lock, 0);
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spin_unlock(&mru->lock);
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return elem ? elem->value : NULL;
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}
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@ -571,10 +571,10 @@ xfs_mru_cache_peek(
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if (!mru || !mru->lists)
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return NULL;
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mutex_spinlock(&mru->lock);
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spin_lock(&mru->lock);
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elem = radix_tree_lookup(&mru->store, key);
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if (!elem)
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mutex_spinunlock(&mru->lock, 0);
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spin_unlock(&mru->lock);
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return elem ? elem->value : NULL;
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}
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@ -588,5 +588,5 @@ void
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xfs_mru_cache_done(
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xfs_mru_cache_t *mru)
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{
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mutex_spinunlock(&mru->lock, 0);
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spin_unlock(&mru->lock);
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}
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