zram: move compact_store() to sysfs functions area

A cosmetic change.  We have a new code layout and keep zram per-device
sysfs store and show functions in one place.  Move compact_store() to that
handlers block to conform to current layout.

Signed-off-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
Acked-by: Minchan Kim <minchan@kernel.org>
Cc: Nitin Gupta <ngupta@vflare.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/drivers/block/zram/zram_drv.c b/drivers/block/zram/zram_drv.c
index f416e3ce639228ecfda252f011338bdfebe2c881..871bd3550cb0e0842296771412e749225542ffac 100644 (file)
--- 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,