linux-kernel - [PATCH 3/4] fs: proc: remove PDE

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Message-Id: <20211101093518.86845-4-songmuchun@bytedance.com>
Date:   Mon,  1 Nov 2021 17:35:17 +0800
From:   Muchun Song <songmuchun@...edance.com>
To:     akpm@...ux-foundation.org, adobriyan@...il.com,
        gladkov.alexey@...il.com
Cc:     linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org,
        Muchun Song <songmuchun@...edance.com>
Subject: [PATCH 3/4] fs: proc: remove PDE_DATA()

There is no users of PDE_DATA() and we do not need it anymore,
just remove it.

Signed-off-by: Muchun Song <songmuchun@...edance.com>
---
 fs/proc/generic.c       | 6 ------
 fs/proc/internal.h      | 5 -----
 include/linux/proc_fs.h | 2 --
 3 files changed, 13 deletions(-)

diff --git a/fs/proc/generic.c b/fs/proc/generic.c
index 5b78739e60e4..f2132407e133 100644
--- a/fs/proc/generic.c
+++ b/fs/proc/generic.c
@@ -791,12 +791,6 @@ void proc_remove(struct proc_dir_entry *de)
 }
 EXPORT_SYMBOL(proc_remove);
 
-void *PDE_DATA(const struct inode *inode)
-{
-	return __PDE_DATA(inode);
-}
-EXPORT_SYMBOL(PDE_DATA);
-
 /*
  * Pull a user buffer into memory and pass it to the file's write handler if
  * one is supplied.  The ->write() method is permitted to modify the
diff --git a/fs/proc/internal.h b/fs/proc/internal.h
index 03415f3fb3a8..06a80f78433d 100644
--- a/fs/proc/internal.h
+++ b/fs/proc/internal.h
@@ -115,11 +115,6 @@ static inline struct proc_dir_entry *PDE(const struct inode *inode)
 	return PROC_I(inode)->pde;
 }
 
-static inline void *__PDE_DATA(const struct inode *inode)
-{
-	return PDE(inode)->data;
-}
-
 static inline struct pid *proc_pid(const struct inode *inode)
 {
 	return PROC_I(inode)->pid;
diff --git a/include/linux/proc_fs.h b/include/linux/proc_fs.h
index 069c7fd95396..ec59ccce4308 100644
--- a/include/linux/proc_fs.h
+++ b/include/linux/proc_fs.h
@@ -110,7 +110,6 @@ extern struct proc_dir_entry *proc_create_data(const char *, umode_t,
 struct proc_dir_entry *proc_create(const char *name, umode_t mode, struct proc_dir_entry *parent, const struct proc_ops *proc_ops);
 extern void proc_set_size(struct proc_dir_entry *, loff_t);
 extern void proc_set_user(struct proc_dir_entry *, kuid_t, kgid_t);
-extern void *PDE_DATA(const struct inode *);
 extern void *proc_get_parent_data(const struct inode *);
 extern void proc_remove(struct proc_dir_entry *);
 extern void remove_proc_entry(const char *, struct proc_dir_entry *);
@@ -183,7 +182,6 @@ static inline struct proc_dir_entry *proc_mkdir_mode(const char *name,
 
 static inline void proc_set_size(struct proc_dir_entry *de, loff_t size) {}
 static inline void proc_set_user(struct proc_dir_entry *de, kuid_t uid, kgid_t gid) {}
-static inline void *PDE_DATA(const struct inode *inode) {BUG(); return NULL;}
 static inline void *proc_get_parent_data(const struct inode *inode) { BUG(); return NULL; }
 
 static inline void proc_remove(struct proc_dir_entry *de) {}
-- 
2.11.0