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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-07-24 15:05:26 -0700
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-08-19 21:22:34 -0700
commitd9e1241e469bbd4b483e0996e404fdce46735b48 (patch)
tree09c3364307d188efc6b3b280da66957672a73466 /mm/backing-dev.c
parentbd0eae4e1cd5c4ff7c2a9ebcb3e78ea4631251ef (diff)
downloadop-kernel-dev-d9e1241e469bbd4b483e0996e404fdce46735b48.zip
op-kernel-dev-d9e1241e469bbd4b483e0996e404fdce46735b48.tar.gz
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: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'mm/backing-dev.c')
-rw-r--r--mm/backing-dev.c19
1 files changed, 11 insertions, 8 deletions
diff --git a/mm/backing-dev.c b/mm/backing-dev.c
index e04454c..37d9edc 100644
--- a/mm/backing-dev.c
+++ b/mm/backing-dev.c
@@ -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;
}
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