[PATCH 7/7] zram: mark the disk as non-rotating media

Robert Jennings
2011-01-26T17:27:50Z

Adding QUEUE_FLAG_NONROT for the in the request_queue flags. When used
as a swap device, scan_swap_map will avoid the extra work of optimizing
for rotating media.

Signed-off-by: Robert Jennings <rcj@linux.vnet.ibm.com>
---
drivers/staging/zram/zram_drv.c | 1 +
1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/drivers/staging/zram/zram_drv.c b/drivers/staging/zram/zram_drv.c
index d5e0275..450c618 100644
--- a/drivers/staging/zram/zram_drv.c
+++ b/drivers/staging/zram/zram_drv.c
@@ -593,6 +593,7 @@ static int create_device(struct zram *zram, int device_id)
goto out;
}

+ zram->queue->queue_flags ^= QUEUE_FLAG_NONROT;
blk_queue_make_request(zram->queue, zram_make_request);
zram->queue->queuedata = zram;

--
1.6.0.2