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proc: introduce proc_create_single{,_data}

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Variants of proc_create{,_data} that directly take a seq_file show
callback and drastically reduces the boilerplate code in the callers.

All trivial callers converted over.

Signed-off-by: Christoph Hellwig <hch@lst.de>
This commit is contained in:
Christoph Hellwig 2018-05-15 15:57:23 +02:00
parent 44414d82cf
commit 3f3942aca6
85 changed files with 235 additions and 1509 deletions
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10
include/linux/proc_fs.h
View file

@ -9,6 +9,7 @@
#include <linux/fs.h>
struct proc_dir_entry;
struct seq_file;
struct seq_operations;
#ifdef CONFIG_PROC_FS
@ -32,6 +33,11 @@ struct proc_dir_entry *proc_create_seq_private(const char *name, umode_t mode,
proc_create_seq_private(name, mode, parent, ops, 0, data)
#define proc_create_seq(name, mode, parent, ops) \
proc_create_seq_private(name, mode, parent, ops, 0, NULL)
struct proc_dir_entry *proc_create_single_data(const char *name, umode_t mode,
struct proc_dir_entry *parent,
int (*show)(struct seq_file *, void *), void *data);
#define proc_create_single(name, mode, parent, show) \
proc_create_single_data(name, mode, parent, show, NULL)
extern struct proc_dir_entry *proc_create_data(const char *, umode_t,
struct proc_dir_entry *,
@ -66,9 +72,11 @@ static inline struct proc_dir_entry *proc_mkdir_data(const char *name,
umode_t mode, struct proc_dir_entry *parent, void *data) { return NULL; }
static inline struct proc_dir_entry *proc_mkdir_mode(const char *name,
umode_t mode, struct proc_dir_entry *parent) { return NULL; }
#define proc_create_seq_private(name, mode, parent, ops, 0, data) ({NULL;})
#define proc_create_seq_private(name, mode, parent, ops, size, data) ({NULL;})
#define proc_create_seq_data(name, mode, parent, ops, data) ({NULL;})
#define proc_create_seq(name, mode, parent, ops) ({NULL;})
#define proc_create_single(name, mode, parent, show) ({NULL;})
#define proc_create_single_data(name, mode, parent, show, data) ({NULL;})
#define proc_create(name, mode, parent, proc_fops) ({NULL;})
#define proc_create_data(name, mode, parent, proc_fops, data) ({NULL;})