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Commit d9e1241e authored by Greg Kroah-Hartman's avatar Greg Kroah-Hartman
Browse files

backing-dev: convert class code to use dev_groups 



The dev_attrs field of struct class is going away soon, dev_groups
should be used instead.  This converts the backing device class code to
use the correct field.

Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Jan Kara <jack@suse.cz>
Cc: Tejun Heo <tj@kernel.org>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent bd0eae4e

mm/backing-dev.c

+11 −8
Original line number Diff line number Diff line
@@ -180,7 +180,8 @@ static ssize_t name##_show(struct device *dev, \ 
	struct backing_dev_info *bdi = dev_get_drvdata(dev);		\

									\

	return snprintf(page, PAGE_SIZE-1, "%lld\n", (long long)expr);	\

}

}									\

static DEVICE_ATTR_RW(name);



BDI_SHOW(read_ahead_kb, K(bdi->ra_pages))
@@ -231,14 +232,16 @@ static ssize_t stable_pages_required_show(struct device *dev, 
	return snprintf(page, PAGE_SIZE-1, "%d\n",

			bdi_cap_stable_pages_required(bdi) ? 1 : 0);

}

static DEVICE_ATTR_RO(stable_pages_required);



static struct device_attribute bdi_dev_attrs[] = {

	__ATTR_RW(read_ahead_kb),

	__ATTR_RW(min_ratio),

	__ATTR_RW(max_ratio),

	__ATTR_RO(stable_pages_required),

	__ATTR_NULL,

static struct attribute *bdi_dev_attrs[] = {

	&dev_attr_read_ahead_kb.attr,

	&dev_attr_min_ratio.attr,

	&dev_attr_max_ratio.attr,

	&dev_attr_stable_pages_required.attr,

	NULL,

};

ATTRIBUTE_GROUPS(bdi_dev);



static __init int bdi_class_init(void)

{
@@ -246,7 +249,7 @@ static __init int bdi_class_init(void) 
	if (IS_ERR(bdi_class))

		return PTR_ERR(bdi_class);



	bdi_class->dev_attrs = bdi_dev_attrs;

	bdi_class->dev_groups = bdi_dev_groups;

	bdi_debug_init();

	return 0;

}