1 files changed, 22 insertions, 0 deletions

diff --git a/fs/btrfs/sysfs.c b/fs/btrfs/sysfs.c
index 5562ce1f7090..4de9bae3e186 100644
--- a/fs/btrfs/sysfs.c
+++ b/fs/btrfs/sysfs.c
@@ -800,6 +800,28 @@ void btrfs_sysfs_add_block_group_type(struct btrfs_block_group_cache *cache)
         space_info->block_group_kobjs[index] = &rkobj->kobj;
 }
 
+/*
+ * Remove sysfs directories for all block group types of a given space info and
+ * the space info as well
+ */
+void btrfs_sysfs_remove_space_info(struct btrfs_space_info *space_info)
+{
+        int i;
+
+        for (i = 0; i < BTRFS_NR_RAID_TYPES; i++) {
+                struct kobject *kobj;
+
+                kobj = space_info->block_group_kobjs[i];
+                space_info->block_group_kobjs[i] = NULL;
+                if (kobj) {
+                        kobject_del(kobj);
+                        kobject_put(kobj);
+                }
+        }
+        kobject_del(&space_info->kobj);
+        kobject_put(&space_info->kobj);
+}
+
 static const char *alloc_name(u64 flags)
 {
         switch (flags) {