* [PATCH] use STORE_LOCKED instead of STORE macro
@ 2018-09-27 5:31 Dongbo Cao
2018-09-27 15:44 ` Coly Li
0 siblings, 1 reply; 2+ messages in thread
From: Dongbo Cao @ 2018-09-27 5:31 UTC (permalink / raw)
To: colyli; +Cc: kent.overstreet, linux-bcache, linux-kernel, Dongbo Cao
merge sysfs_writeback_running attr and sysfs_writeback_percent attr together with other attrs of cached_dev.
Signed-off-by: Dongbo Cao <cdbdyx@163.com>
---
drivers/md/bcache/sysfs.c | 15 ++-------------
1 file changed, 2 insertions(+), 13 deletions(-)
diff --git a/drivers/md/bcache/sysfs.c b/drivers/md/bcache/sysfs.c
index 26f035a0..14fc9104 100644
--- a/drivers/md/bcache/sysfs.c
+++ b/drivers/md/bcache/sysfs.c
@@ -245,7 +245,7 @@ SHOW(__bch_cached_dev)
}
SHOW_LOCKED(bch_cached_dev)
-STORE(__cached_dev)
+STORE(__bch_cached_dev)
{
struct cached_dev *dc = container_of(kobj, struct cached_dev,
disk.kobj);
@@ -373,17 +373,6 @@ STORE(__cached_dev)
if (attr == &sysfs_stop)
bcache_device_stop(&dc->disk);
- return size;
-}
-
-STORE(bch_cached_dev)
-{
- struct cached_dev *dc = container_of(kobj, struct cached_dev,
- disk.kobj);
-
- mutex_lock(&bch_register_lock);
- size = __cached_dev_store(kobj, attr, buf, size);
-
if (attr == &sysfs_writeback_running)
bch_writeback_queue(dc);
@@ -392,9 +381,9 @@ STORE(bch_cached_dev)
schedule_delayed_work(&dc->writeback_rate_update,
dc->writeback_rate_update_seconds * HZ);
- mutex_unlock(&bch_register_lock);
return size;
}
+STORE_LOCKED(bch_cached_dev)
static struct attribute *bch_cached_dev_files[] = {
&sysfs_attach,
--
2.17.1
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH] use STORE_LOCKED instead of STORE macro
2018-09-27 5:31 [PATCH] use STORE_LOCKED instead of STORE macro Dongbo Cao
@ 2018-09-27 15:44 ` Coly Li
0 siblings, 0 replies; 2+ messages in thread
From: Coly Li @ 2018-09-27 15:44 UTC (permalink / raw)
To: Dongbo Cao; +Cc: kent.overstreet, linux-bcache, linux-kernel
On 9/27/18 1:31 PM, Dongbo Cao wrote:
> merge sysfs_writeback_running attr and sysfs_writeback_percent attr together with other attrs of cached_dev.
>
> Signed-off-by: Dongbo Cao <cdbdyx@163.com>
Could you please to explain more what you want to do, and why you make
this change?
Thanks.
Coly Li
> ---
> drivers/md/bcache/sysfs.c | 15 ++-------------
> 1 file changed, 2 insertions(+), 13 deletions(-)
>
> diff --git a/drivers/md/bcache/sysfs.c b/drivers/md/bcache/sysfs.c
> index 26f035a0..14fc9104 100644
> --- a/drivers/md/bcache/sysfs.c
> +++ b/drivers/md/bcache/sysfs.c
> @@ -245,7 +245,7 @@ SHOW(__bch_cached_dev)
> }
> SHOW_LOCKED(bch_cached_dev)
>
> -STORE(__cached_dev)
> +STORE(__bch_cached_dev)
> {
> struct cached_dev *dc = container_of(kobj, struct cached_dev,
> disk.kobj);
> @@ -373,17 +373,6 @@ STORE(__cached_dev)
> if (attr == &sysfs_stop)
> bcache_device_stop(&dc->disk);
>
> - return size;
> -}
> -
> -STORE(bch_cached_dev)
> -{
> - struct cached_dev *dc = container_of(kobj, struct cached_dev,
> - disk.kobj);
> -
> - mutex_lock(&bch_register_lock);
> - size = __cached_dev_store(kobj, attr, buf, size);
> -
> if (attr == &sysfs_writeback_running)
> bch_writeback_queue(dc);
>
> @@ -392,9 +381,9 @@ STORE(bch_cached_dev)
> schedule_delayed_work(&dc->writeback_rate_update,
> dc->writeback_rate_update_seconds * HZ);
>
> - mutex_unlock(&bch_register_lock);
> return size;
> }
> +STORE_LOCKED(bch_cached_dev)
>
> static struct attribute *bch_cached_dev_files[] = {
> &sysfs_attach,
^ permalink raw reply [flat|nested] 2+ messages in thread
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2018-09-27 15:44 ` Coly Li
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