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path: root/drivers/block/zram/zram_drv.c
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Diffstat (limited to 'drivers/block/zram/zram_drv.c')
-rw-r--r--drivers/block/zram/zram_drv.c23
1 files changed, 0 insertions, 23 deletions
diff --git a/drivers/block/zram/zram_drv.c b/drivers/block/zram/zram_drv.c
index f416e3ce6392..871bd3550cb0 100644
--- a/drivers/block/zram/zram_drv.c
+++ b/drivers/block/zram/zram_drv.c
@@ -63,27 +63,6 @@ static inline struct zram *dev_to_zram(struct device *dev)
return (struct zram *)dev_to_disk(dev)->private_data;
}
-static ssize_t compact_store(struct device *dev,
- struct device_attribute *attr, const char *buf, size_t len)
-{
- unsigned long nr_migrated;
- struct zram *zram = dev_to_zram(dev);
- struct zram_meta *meta;
-
- down_read(&zram->init_lock);
- if (!init_done(zram)) {
- up_read(&zram->init_lock);
- return -EINVAL;
- }
-
- meta = zram->meta;
- nr_migrated = zs_compact(meta->mem_pool);
- atomic64_add(nr_migrated, &zram->stats.num_migrated);
- up_read(&zram->init_lock);
-
- return len;
-}
-
static ssize_t disksize_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
@@ -1038,7 +1017,6 @@ static const struct block_device_operations zram_devops = {
.owner = THIS_MODULE
};
-static DEVICE_ATTR_WO(compact);
static DEVICE_ATTR_RW(disksize);
static DEVICE_ATTR_RO(initstate);
static DEVICE_ATTR_WO(reset);
@@ -1066,7 +1044,6 @@ static struct attribute *zram_disk_attrs[] = {
&dev_attr_num_writes.attr,
&dev_attr_failed_reads.attr,
&dev_attr_failed_writes.attr,
- &dev_attr_compact.attr,
&dev_attr_invalid_io.attr,
&dev_attr_notify_free.attr,
&dev_attr_zero_pages.attr,