block: backport debugfs patches · Pull Request !11645 · openEuler/kernel

PR sync from: Yu Kuai <yukuai3@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/5GEVUIWYAWGEKGTBD45EXOGR5TOCUIIJ/ 
Christoph Hellwig (2):
  block: serialize all debugfs operations using q->debugfs_mutex
  block: remove per-disk debugfs files in blk_unregister_queue

Greg Kroah-Hartman (2):
  blk-mq: no need to check return value of debugfs_create functions
  blk-mq: fix up placement of debugfs directory of queue files

Jan Kara (1):
  blktrace: Avoid sparse warnings when assigning q->blk_trace

Luis Chamberlain (3):
  blktrace: break out of blktrace setup on concurrent calls
  blktrace: annotate required lock on do_blk_trace_setup()
  block: create the request_queue debugfs_dir on registration

Ming Lei (1):
  blk-mq: don't create hctx debugfs dir until q->debugfs_dir is created

Saravanan D (1):
  blk-mq: Fix spurious debugfs directory creation during initialization

Yu Kuai (3):
  block: shutdown blktrace in blk_release_queue()
  block: protect blk_mq_debugfs_register/unregister_hctx() with
    'debugfs_mutex'
  block: fix kabi broken in struct request_queue

-- 
2.39.2
 
https://gitee.com/openeuler/kernel/issues/IAGRKP

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