Re: [PATCH v2 04/13] rwsem: simplify rwsem_down_read_failed

[Rik van Riel]

On 03/15/2013 06:54 AM, Michel Lespinasse wrote:
> When trying to acquire a read lock, the RWSEM_ACTIVE_READ_BIAS adjustment
> doesn't cause other readers to block, so we never have to worry about waking
> them back after canceling this adjustment in rwsem_down_read_failed().
>
> We also never want to steal the lock in rwsem_down_read_failed(), so we
> don't have to grab the wait_lock either.
>
> Signed-off-by: Michel Lespinasse <walken@xxxxxxxxxx>

Reviewed-by: Rik van Riel <riel@xxxxxxxxxx>

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