linux-kernel - [PATCH next 0/3] debugfs: introduce debugfs_create_single/seq[,

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Message-ID: <20191129092752.169902-1-wangkefeng.wang@huawei.com>
Date:   Fri, 29 Nov 2019 17:27:49 +0800
From:   Kefeng Wang <wangkefeng.wang@...wei.com>
To:     <gregkh@...uxfoundation.org>, <linux-kernel@...r.kernel.org>
CC:     Kefeng Wang <wangkefeng.wang@...wei.com>
Subject: [PATCH next 0/3] debugfs: introduce debugfs_create_single/seq[,_data]

Like proc_create_single/seq[,_data] in procfs, we could provide similar debugfs
helper to reduce losts of boilerplate code.

debugfs_create_single[,_data]
  creates a file in debugfs with the extra data and a seq_file show callback.
debugfs_create_seq[,_data]
  creates a file in debugfs with the extra data and a seq_operations.

There is a object dynamically allocated in the helper, which is used to store
extra data, we need free it when remove the debugfs file.

If the change is acceptable, we could change the caller one by one.

Kefeng Wang (3):
  debugfs: Provide debugfs_[set|clear|test]_lowest_bit()
  debugfs: introduce debugfs_create_single[,_data]
  debugfs: introduce debugfs_create_seq[,_data]

 fs/debugfs/file.c       | 127 +++++++++++++++++++++++++++++++++++-----
 fs/debugfs/inode.c      |  11 ++--
 fs/debugfs/internal.h   |   5 +-
 include/linux/debugfs.h |  34 +++++++++++
 4 files changed, 157 insertions(+), 20 deletions(-)

-- 
2.20.1