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-rw-r--r--fs/btrfs/sysfs.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/fs/btrfs/sysfs.c b/fs/btrfs/sysfs.c
index 7436422194da..6bac61c42c05 100644
--- a/fs/btrfs/sysfs.c
+++ b/fs/btrfs/sysfs.c
@@ -901,6 +901,12 @@ static int addrm_unknown_feature_attrs(struct btrfs_fs_info *fs_info, bool add)
static void __btrfs_sysfs_remove_fsid(struct btrfs_fs_devices *fs_devs)
{
+ if (fs_devs->devinfo_kobj) {
+ kobject_del(fs_devs->devinfo_kobj);
+ kobject_put(fs_devs->devinfo_kobj);
+ fs_devs->devinfo_kobj = NULL;
+ }
+
if (fs_devs->devices_kobj) {
kobject_del(fs_devs->devices_kobj);
kobject_put(fs_devs->devices_kobj);
@@ -1369,6 +1375,15 @@ int btrfs_sysfs_add_fsid(struct btrfs_fs_devices *fs_devs)
return -ENOMEM;
}
+ fs_devs->devinfo_kobj = kobject_create_and_add("devinfo",
+ &fs_devs->fsid_kobj);
+ if (!fs_devs->devinfo_kobj) {
+ btrfs_err(fs_devs->fs_info,
+ "failed to init sysfs devinfo kobject");
+ btrfs_sysfs_remove_fsid(fs_devs);
+ return -ENOMEM;
+ }
+
return 0;
}