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authorChristoph Hellwig <hch@lst.de>2021-09-01 13:38:31 +0200
committerJens Axboe <axboe@kernel.dk>2021-10-18 22:50:19 +0200
commit51238e7fbd6182e36dbc093c92ae93142c57c0f5 (patch)
tree209934d378120569e9ecaeaa93603194dcbbe6be /drivers/md
parentmd: add error handling support for add_disk() (diff)
downloadlinux-51238e7fbd6182e36dbc093c92ae93142c57c0f5.tar.xz
linux-51238e7fbd6182e36dbc093c92ae93142c57c0f5.zip
md: add the bitmap group to the default groups for the md kobject
Replace the deprecated default_attrs with the default_groups mechanism, and add the always visible bitmap group to the groups created add kobject_add time. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Song Liu <songliubraving@fb.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers/md')
-rw-r--r--drivers/md/md.c16
1 files changed, 11 insertions, 5 deletions
diff --git a/drivers/md/md.c b/drivers/md/md.c
index eff3d23e1fcd..e04a23dc46bf 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -5490,6 +5490,10 @@ static struct attribute *md_default_attrs[] = {
NULL,
};
+static const struct attribute_group md_default_group = {
+ .attrs = md_default_attrs,
+};
+
static struct attribute *md_redundancy_attrs[] = {
&md_scan_mode.attr,
&md_last_scan_mode.attr,
@@ -5512,6 +5516,12 @@ static const struct attribute_group md_redundancy_group = {
.attrs = md_redundancy_attrs,
};
+static const struct attribute_group *md_attr_groups[] = {
+ &md_default_group,
+ &md_bitmap_group,
+ NULL,
+};
+
static ssize_t
md_attr_show(struct kobject *kobj, struct attribute *attr, char *page)
{
@@ -5587,7 +5597,7 @@ static const struct sysfs_ops md_sysfs_ops = {
static struct kobj_type md_ktype = {
.release = md_free,
.sysfs_ops = &md_sysfs_ops,
- .default_attrs = md_default_attrs,
+ .default_groups = md_attr_groups,
};
int mdp_major = 0;
@@ -5596,7 +5606,6 @@ static void mddev_delayed_delete(struct work_struct *ws)
{
struct mddev *mddev = container_of(ws, struct mddev, del_work);
- sysfs_remove_group(&mddev->kobj, &md_bitmap_group);
kobject_del(&mddev->kobj);
kobject_put(&mddev->kobj);
}
@@ -5715,9 +5724,6 @@ static int md_alloc(dev_t dev, char *name)
disk->disk_name);
error = 0;
}
- if (mddev->kobj.sd &&
- sysfs_create_group(&mddev->kobj, &md_bitmap_group))
- pr_debug("pointless warning\n");
abort:
mutex_unlock(&disks_mutex);
if (!error && mddev->kobj.sd) {