[PATCH 2/4] Staging: zram: round up the disk size provided by user

From: Jerome Marchand
Date: Fri Dec 17 2010 - 11:02:39 EST



Currently disksize_store() round down the disk size provided by user.
This is probably not what one would expect, so round up instead.

Signed-off-by: Jerome Marchand <jmarchan@xxxxxxxxxx>
---
zram_sysfs.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/staging/zram/zram_sysfs.c b/drivers/staging/zram/zram_sysfs.c
index ad62db2..a70cc01 100644
--- a/drivers/staging/zram/zram_sysfs.c
+++ b/drivers/staging/zram/zram_sysfs.c
@@ -14,6 +14,7 @@

#include <linux/device.h>
#include <linux/genhd.h>
+#include <linux/mm.h>

#include "zram_drv.h"

@@ -65,7 +66,7 @@ static ssize_t disksize_store(struct device *dev,
if (ret)
return ret;

- zram->disksize &= PAGE_MASK;
+ zram->disksize = PAGE_ALIGN(zram->disksize);
set_capacity(zram->disk, zram->disksize >> SECTOR_SHIFT);

return len;
--
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