lkml.org 
[lkml]   [2011]   [Jan]   [26]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
Date
From
Subject[PATCH 7/7] zram: mark the disk as non-rotating media
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


\
 
 \ /
  Last update: 2011-01-26 18:31    [W:0.100 / U:0.280 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site