Messages in this thread Patch in this message | | | From | Nigel Cunningham <> | Subject | [Suspend2][ 16/32] [Suspend2] Add page io to a batch. | Date | Tue, 27 Jun 2006 08:38:05 +1000 |
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Add a page to the current batch. If the batch becomes full as a result, submit it.
Signed-off-by: Nigel Cunningham <nigel@suspend2.net>
kernel/power/suspend_block_io.c | 17 +++++++++++++++++ 1 files changed, 17 insertions(+), 0 deletions(-)
diff --git a/kernel/power/suspend_block_io.c b/kernel/power/suspend_block_io.c index 07db518..728df04 100644 --- a/kernel/power/suspend_block_io.c +++ b/kernel/power/suspend_block_io.c @@ -556,3 +556,20 @@ static int submit_batched(void) return num_submitted; } +static void add_to_batch(struct io_info *io_info) +{ + unsigned long flags; + + set_bit(IO_AWAITING_SUBMIT, &io_info->flags); + + /* Put our prepared I/O struct on the batch list. */ + spin_lock_irqsave(&ioinfo_submit_lock, flags); + list_add_tail(&io_info->list, &ioinfo_submit_batch); + spin_unlock_irqrestore(&ioinfo_submit_lock, flags); + + atomic_inc(&submit_batch); + + if (atomic_read(&submit_batch) >= submit_batch_size) + submit_batched(); +} + -- Nigel Cunningham nigel at suspend2 dot net - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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