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@@ -88,9 +88,7 @@ queue_ra_store(struct request_queue *q, const char *page, size_t count)
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unsigned long ra_kb;
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ssize_t ret = queue_var_store(&ra_kb, page, count);
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- spin_lock_irq(q->queue_lock);
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q->backing_dev_info.ra_pages = ra_kb >> (PAGE_CACHE_SHIFT - 10);
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- spin_unlock_irq(q->queue_lock);
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return ret;
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}
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@@ -117,10 +115,7 @@ queue_max_sectors_store(struct request_queue *q, const char *page, size_t count)
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if (max_sectors_kb > max_hw_sectors_kb || max_sectors_kb < page_kb)
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return -EINVAL;
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- /*
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- * Take the queue lock to update the readahead and max_sectors
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- * values synchronously:
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- */
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+
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spin_lock_irq(q->queue_lock);
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q->max_sectors = max_sectors_kb << 1;
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spin_unlock_irq(q->queue_lock);
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