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path: root/drivers/staging/zram/zram_sysfs.c
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Diffstat (limited to 'drivers/staging/zram/zram_sysfs.c')
-rw-r--r--drivers/staging/zram/zram_sysfs.c11
1 files changed, 8 insertions, 3 deletions
diff --git a/drivers/staging/zram/zram_sysfs.c b/drivers/staging/zram/zram_sysfs.c
index 369db12..e6a929d 100644
--- a/drivers/staging/zram/zram_sysfs.c
+++ b/drivers/staging/zram/zram_sysfs.c
@@ -56,22 +56,26 @@ static ssize_t disksize_store(struct device *dev,
struct device_attribute *attr, const char *buf, size_t len)
{
u64 disksize;
+ struct zram_meta *meta;
struct zram *zram = dev_to_zram(dev);
disksize = memparse(buf, NULL);
if (!disksize)
return -EINVAL;
+ disksize = PAGE_ALIGN(disksize);
+ meta = zram_meta_alloc(disksize);
down_write(&zram->init_lock);
if (zram->init_done) {
up_write(&zram->init_lock);
+ zram_meta_free(meta);
pr_info("Cannot change disksize for initialized device\n");
return -EBUSY;
}
- zram->disksize = PAGE_ALIGN(disksize);
+ zram->disksize = disksize;
set_capacity(zram->disk, zram->disksize >> SECTOR_SHIFT);
- zram_init_device(zram);
+ zram_init_device(zram, meta);
up_write(&zram->init_lock);
return len;
@@ -182,9 +186,10 @@ static ssize_t mem_used_total_show(struct device *dev,
{
u64 val = 0;
struct zram *zram = dev_to_zram(dev);
+ struct zram_meta *meta = zram->meta;
if (zram->init_done)
- val = zs_get_total_size_bytes(zram->mem_pool);
+ val = zs_get_total_size_bytes(meta->mem_pool);
return sprintf(buf, "%llu\n", val);
}