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Commit 1e9ce8ae authored by Federico Vaga's avatar Federico Vaga
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sysfs: rename and export __get_spinlock 

It will be necessary on "write control" patch

In order to export the function to other ZIO core parts, this patch
rename __get_spinlock() with a proper name and export the prototype
within the framework
Signed-off-by: Federico Vaga's avatarFederico Vaga <federico.vaga@cern.ch>
cked-by: Alessandro Rubini's avatarAlessandro Rubini <rubini@gnudd.com>
parent d9ab835b
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Showing with 5 additions and 4 deletions
sysfs.c
View file @ 1e9ce8ae
......@@ -80,7 +80,7 @@ static void __zattr_unclone(struct zio_attribute *zattr)
}
/* When touching attributes, we always use the spinlock for the hosting dev */
static spinlock_t *__get_spinlock(struct zio_obj_head *head)
spinlock_t *__zio_get_dev_spinlock(struct zio_obj_head *head)
{
spinlock_t *lock;
......@@ -569,7 +569,7 @@ static ssize_t zobj_store_enable(struct device *dev,
if (err || val < 0 || val > 1)
return -EINVAL;
lock = __get_spinlock(head);
lock = __zio_get_dev_spinlock(head);
do {
spin_lock(lock);
err = __zio_object_enable(head, val);
......@@ -598,7 +598,7 @@ static ssize_t zattr_show(struct device *dev, struct device_attribute *attr,
spinlock_t *lock;
int err = 0;
lock = __get_spinlock(head);
lock = __zio_get_dev_spinlock(head);
spin_lock(lock);
err = zattr->s_op->info_get(dev, zattr, &zattr->value);
spin_unlock(lock);
......@@ -632,7 +632,7 @@ static ssize_t zattr_store(struct device *dev, struct device_attribute *attr,
dev_dbg(dev, "writing value %ld to sysfs attribute %s\n",
val, attr->attr.name);
lock = __get_spinlock(head);
lock = __zio_get_dev_spinlock(head);
spin_lock(lock);
err = zattr->s_op->conf_set(dev, zattr, (uint32_t)val);
if (err) {
......
zio-internal.h
View file @ 1e9ce8ae
......@@ -83,6 +83,7 @@ extern int zio_create_attributes(struct zio_obj_head *head,
struct zio_attribute_set *zattr_set_tmpl);
extern void zio_destroy_attributes(struct zio_obj_head *head);
extern int __zio_object_enable(struct zio_obj_head *head, unsigned int enable);
extern spinlock_t *__zio_get_dev_spinlock(struct zio_obj_head *head);
/* Defined in objects.c */
extern int __zdev_register(struct zio_device *parent,
......
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