!3860 [sync] PR-3756: md: mainline backport

Merge Pull Request from: @openeuler-sync-bot 
 

Origin pull request: 
https://gitee.com/openeuler/kernel/pulls/3756 
 
PR sync from: Li Nan <linan122@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/7BUIXUTXMNA4YCLZFGXDAHXCBXGG6DKU/ 
Christoph Hellwig (6):
  md: convert to blk_alloc_disk/blk_cleanup_disk
  md: add the bitmap group to the default groups for the md kobject
  md: extend disks_mutex coverage
  md: properly unwind when failing to add the kobject in md_alloc
  md: fix mddev->kobj lifetime
  md: fix error handling in md_alloc

Eric Dumazet (1):
  md: use msleep() in md_notify_reboot()

Luis Chamberlain (1):
  md: add error handling support for add_disk()

Rikard Falkeborn (1):
  md: Constify attribute_group structs

Yu Kuai (1):
  md/raid10: fix improper BUG_ON() in raise_barrier()

zhangyue (1):
  md: fix double free of mddev->private in autorun_array()


-- 
2.39.2
 
https://gitee.com/openeuler/kernel/issues/I63WZE
https://gitee.com/openeuler/kernel/issues/I81XCK,
https://gitee.com/openeuler/kernel/issues/I81XCK 
 
Link:https://gitee.com/openeuler/kernel/pulls/3860

 

Reviewed-by: Jialin Zhang <zhangjialin11@huawei.com>
Reviewed-by: Yu Kuai <yukuai3@huawei.com>
Signed-off-by: Jialin Zhang <zhangjialin11@huawei.com>