[PATCHv2 2/7] zram: move compact_store() to sysfs functions area

Sergey Senozhatsky
2015-03-12T14:48:42Z

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.

Acked-by: Minchan Kim <minchan@kernel.org>
Signed-off-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
---
drivers/block/zram/zram_drv.c | 42 +++++++++++++++++++++---------------------
1 file changed, 21 insertions(+), 21 deletions(-)

diff --git a/drivers/block/zram/zram_drv.c b/drivers/block/zram/zram_drv.c
index 2009a5a..472c40c 100644
--- a/drivers/block/zram/zram_drv.c
+++ b/drivers/block/zram/zram_drv.c
@@ -67,27 +67,6 @@ 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;
-}
-
/* flag operations require table entry bit_spin_lock() being held */
static int zram_test_flag(struct zram_meta *meta, u32 index,
enum zram_pageflags flag)
@@ -384,6 +363,27 @@ static ssize_t comp_algorithm_store(struct device *dev,
return len;
}

+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;
+}
+
ZRAM_ATTR_RO(num_reads);
ZRAM_ATTR_RO(num_writes);
ZRAM_ATTR_RO(failed_reads);
--
2.3.2.209.gd67f9d5