forked from luck/tmp_suning_uos_patched
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>
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@ -63,27 +63,6 @@ static inline struct zram *dev_to_zram(struct device *dev)
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return (struct zram *)dev_to_disk(dev)->private_data;
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}
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static ssize_t compact_store(struct device *dev,
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struct device_attribute *attr, const char *buf, size_t len)
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{
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unsigned long nr_migrated;
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struct zram *zram = dev_to_zram(dev);
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struct zram_meta *meta;
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down_read(&zram->init_lock);
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if (!init_done(zram)) {
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up_read(&zram->init_lock);
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return -EINVAL;
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}
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meta = zram->meta;
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nr_migrated = zs_compact(meta->mem_pool);
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atomic64_add(nr_migrated, &zram->stats.num_migrated);
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up_read(&zram->init_lock);
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return len;
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}
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static ssize_t disksize_show(struct device *dev,
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struct device_attribute *attr, char *buf)
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{
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@ -1038,7 +1017,6 @@ static const struct block_device_operations zram_devops = {
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.owner = THIS_MODULE
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};
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static DEVICE_ATTR_WO(compact);
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static DEVICE_ATTR_RW(disksize);
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static DEVICE_ATTR_RO(initstate);
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static DEVICE_ATTR_WO(reset);
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@ -1066,7 +1044,6 @@ static struct attribute *zram_disk_attrs[] = {
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&dev_attr_num_writes.attr,
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&dev_attr_failed_reads.attr,
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&dev_attr_failed_writes.attr,
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&dev_attr_compact.attr,
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&dev_attr_invalid_io.attr,
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&dev_attr_notify_free.attr,
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&dev_attr_zero_pages.attr,
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