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e3d3910a57
wb_stat_sum() disables interrupts and calls __wb_stat_sum() which eventually calls __percpu_counter_sum(). However, the percpu routine is already irq-safe. Simplify the code a bit by making wb_stat_sum() directly call percpu_counter_sum_positive() and not disable interrupts. Also remove the now-uneeded __wb_stat_sum() which was just a wrapper over percpu_counter_sum_positive(). Link: http://lkml.kernel.org/r/1498230681-29103-1-git-send-email-nborisov@suse.com Signed-off-by: Nikolay Borisov <nborisov@suse.com> Acked-by: Peter Zijlstra <peterz@infradead.org> Cc: Tejun Heo <tj@kernel.org> Cc: Jan Kara <jack@suse.cz> Cc: Jens Axboe <axboe@fb.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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