Re: [PATCH 14/33] aio: make aio_read_evt() more efficient, convertto hrtimers

[Theodore Ts'o]

On Thu, Mar 21, 2013 at 09:35:35AM -0700, Kent Overstreet wrote:
> Previously, aio_read_event() pulled a single completion off the ringbuffer
> at a time, locking and unlocking each time.  Change it to pull off as many
> events as it can at a time, and copy them directly to userspace.
> 
> This also fixes a bug where if copying the event to userspace failed,
> we'd lose the event.
> 
> Also convert it to wait_event_interruptible_hrtimeout(), which
> simplifies it quite a bit.

Reviewed-by: "Theodore Ts'o" <tytso@xxxxxxx>
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