[PATCH 10/24] Btrfs: sysfs: separate device kobject and its attribute creation

[Anand Jain]

From: Anand Jain <anand.j...@oracle.com>

Separate device kobject and its attribute creation so that device
kobject can be created from the device discovery thread.

Signed-off-by: Anand Jain <anand.j...@oracle.com>
---
 fs/btrfs/sysfs.c | 21 +++++++++++++++------
 1 file changed, 15 insertions(+), 6 deletions(-)

diff --git a/fs/btrfs/sysfs.c b/fs/btrfs/sysfs.c
index 5208a49..2cb4c69 100644
--- a/fs/btrfs/sysfs.c
+++ b/fs/btrfs/sysfs.c
@@ -645,13 +645,8 @@ int btrfs_kobj_rm_device(struct btrfs_fs_info *fs_info,
        return 0;
 }
 
-int btrfs_kobj_add_device(struct btrfs_fs_info *fs_info,
-               struct btrfs_device *one_device)
+int btrfs_sysfs_add_device(struct btrfs_fs_info *fs_info)
 {
-       int error = 0;
-       struct btrfs_fs_devices *fs_devices = fs_info->fs_devices;
-       struct btrfs_device *dev;
-
        if (!fs_info->device_dir_kobj)
                fs_info->device_dir_kobj = kobject_create_and_add("devices",
                                                &fs_info->super_kobj);
@@ -659,6 +654,20 @@ int btrfs_kobj_add_device(struct btrfs_fs_info *fs_info,
        if (!fs_info->device_dir_kobj)
                return -ENOMEM;
 
+       return 0;
+}
+
+int btrfs_kobj_add_device(struct btrfs_fs_info *fs_info,
+               struct btrfs_device *one_device)
+{
+       int error = 0;
+       struct btrfs_fs_devices *fs_devices = fs_info->fs_devices;
+       struct btrfs_device *dev;
+
+       error = btrfs_sysfs_add_device(fs_info);
+       if (error)
+               return error;
+
        list_for_each_entry(dev, &fs_devices->devices, dev_list) {
                struct hd_struct *disk;
                struct kobject *disk_kobj;
-- 
2.0.0.153.g79dcccc

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