From 3842e835490cdf17013b30a788f6311bdcfd0571 Mon Sep 17 00:00:00 2001 From: Sebastian Andrzej Siewior Date: Sun, 21 Mar 2010 22:52:23 +0100 Subject: [PATCH] libata: don't flush dcache on slab pages page_mapping() check this via VM_BUG_ON(PageSlab(page)) so we bug here with the according debuging turned on. Future TODO: replace this with a flush_dcache_page_for_pio() API Signed-off-by: Sebastian Andrzej Siewior Signed-off-by: Jeff Garzik Cc: stable@kernel.org --- drivers/ata/libata-sff.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/ata/libata-sff.c b/drivers/ata/libata-sff.c index b7f7f8557fee..c0a905438896 100644 --- a/drivers/ata/libata-sff.c +++ b/drivers/ata/libata-sff.c @@ -919,7 +919,7 @@ static void ata_pio_sector(struct ata_queued_cmd *qc) do_write); } - if (!do_write) + if (!do_write && !PageSlab(page)) flush_dcache_page(page); qc->curbytes += qc->sect_size; -- 2.34.1