From: Al Viro <viro@zeniv.linux.org.uk>
To: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: linux-fsdevel@vger.kernel.org, Mark Brown <broonie@kernel.org>
Subject: [PATCH 03/11] regmap: get rid of redundant debugfs_file_{get,put}()
Date: Wed, 2 Jul 2025 22:16:02 +0100 [thread overview]
Message-ID: <20250702211602.GC3406663@ZenIV> (raw)
In-Reply-To: <20250702211408.GA3406663@ZenIV>
pointless in ->read()/->write() of file_operations used only via
debugfs_create_file()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
drivers/base/regmap/regmap-debugfs.c | 10 ----------
1 file changed, 10 deletions(-)
diff --git a/drivers/base/regmap/regmap-debugfs.c b/drivers/base/regmap/regmap-debugfs.c
index fb84cda92a75..c9b4c04b1cf6 100644
--- a/drivers/base/regmap/regmap-debugfs.c
+++ b/drivers/base/regmap/regmap-debugfs.c
@@ -470,10 +470,6 @@ static ssize_t regmap_cache_only_write_file(struct file *file,
if (err)
return count;
- err = debugfs_file_get(file->f_path.dentry);
- if (err)
- return err;
-
map->lock(map->lock_arg);
if (new_val && !map->cache_only) {
@@ -486,7 +482,6 @@ static ssize_t regmap_cache_only_write_file(struct file *file,
map->cache_only = new_val;
map->unlock(map->lock_arg);
- debugfs_file_put(file->f_path.dentry);
if (require_sync) {
err = regcache_sync(map);
@@ -517,10 +512,6 @@ static ssize_t regmap_cache_bypass_write_file(struct file *file,
if (err)
return count;
- err = debugfs_file_get(file->f_path.dentry);
- if (err)
- return err;
-
map->lock(map->lock_arg);
if (new_val && !map->cache_bypass) {
@@ -532,7 +523,6 @@ static ssize_t regmap_cache_bypass_write_file(struct file *file,
map->cache_bypass = new_val;
map->unlock(map->lock_arg);
- debugfs_file_put(file->f_path.dentry);
return count;
}
--
2.39.5
next prev parent reply other threads:[~2025-07-02 21:16 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-07-02 21:13 [PATCHES] assorted debugfs stuff Al Viro
2025-07-02 21:14 ` [PATCH 01/11] zynqmp: don't bother with debugfs_file_{get,put}() in proxied fops Al Viro
2025-07-02 21:15 ` [PATCH 02/11] hfi1: get rid of redundant debugfs_file_{get,put}() Al Viro
2025-07-02 21:16 ` Al Viro [this message]
2025-07-03 11:10 ` [PATCH 03/11] regmap: " Mark Brown
2025-07-02 21:16 ` [PATCH 04/11] resctrl: get rid of pointless debugfs_file_{get,put}() Al Viro
2025-07-02 21:24 ` Luck, Tony
2025-07-02 23:45 ` Reinette Chatre
2025-07-03 0:24 ` Al Viro
2025-07-03 5:40 ` Greg Kroah-Hartman
2025-07-03 15:10 ` Reinette Chatre
2025-07-02 21:17 ` [PATCH 05/11] vmscan: don't bother with debugfs_real_fops() Al Viro
2025-07-03 11:51 ` Matthew Wilcox
2025-07-04 4:07 ` Al Viro
2025-07-02 21:22 ` [PATCH 06/11] netronome: " Al Viro
2025-07-03 7:11 ` Louis Peens
2025-07-02 21:24 ` [PATCH 07/11] debugfs: split short and full proxy wrappers, kill debugfs_real_fops() Al Viro
2025-07-02 21:25 ` [PATCH 08/11] fix tt_command_write() Al Viro
2025-07-03 11:14 ` Rafael J. Wysocki
2025-07-02 21:26 ` [PATCH 09/11] debugfs_get_aux(): allow storing non-const void * Al Viro
2025-07-02 21:28 ` [PATCH 10/11] blk-mq-debugfs: use debugfs_get_aux() Al Viro
2025-07-02 21:29 ` [PATCH 11/11] lpfc: don't use file->f_path.dentry for comparisons Al Viro
[not found] ` <b3ff59d4-c6c3-4b48-97e3-d32e98c12de7@broadcom.com>
[not found] ` <CAAmqgVMmgW4PWy289P4a8N0FSZA+cHybNkKbLzFx_qBQtu8ZHA@mail.gmail.com>
2025-07-03 20:37 ` Justin Tee
2025-07-04 4:25 ` Al Viro
2025-07-04 18:33 ` Justin Tee
2025-07-04 20:10 ` Al Viro
2025-07-07 19:29 ` Justin Tee
2025-07-08 2:57 ` Al Viro
2025-07-08 17:17 ` Justin Tee
2025-07-02 23:19 ` (subset) [PATCH 01/11] zynqmp: don't bother with debugfs_file_{get,put}() in proxied fops Jens Axboe
2025-07-03 0:23 ` Al Viro
2025-07-03 0:56 ` Jens Axboe
2025-07-03 11:37 ` Greg Kroah-Hartman
2025-07-03 15:10 ` Al Viro
2025-07-04 15:34 ` Mark Brown
2025-07-09 11:35 ` [PATCHES] assorted debugfs stuff Greg Kroah-Hartman
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20250702211602.GC3406663@ZenIV \
--to=viro@zeniv.linux.org.uk \
--cc=broonie@kernel.org \
--cc=gregkh@linuxfoundation.org \
--cc=linux-fsdevel@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox