diff options
Diffstat (limited to 'fs/btrfs/sysfs.c')
| -rw-r--r-- | fs/btrfs/sysfs.c | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/fs/btrfs/sysfs.c b/fs/btrfs/sysfs.c index 7436422194da..3c10e78924d0 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); @@ -1289,7 +1295,7 @@ int btrfs_sysfs_add_device_link(struct btrfs_fs_devices *fs_devices, init_completion(&dev->kobj_unregister); error = kobject_init_and_add(&dev->devid_kobj, &devid_ktype, - fs_devices->devices_kobj, "%llu", + fs_devices->devinfo_kobj, "%llu", dev->devid); if (error) { kobject_put(&dev->devid_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; } |