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proc: introduce proc_create_single{,_data}

Browse source 
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 <[email protected]>
This commit is contained in:
Christoph Hellwig 2018-05-15 15:57:23 +02:00
commit 3f3942aca6
85 changed files with 235 additions and 1509 deletions
Download patch file Download diff file Expand all files Collapse all files

30
drivers/isdn/capi/capi.c
View file

@ -1340,19 +1340,6 @@ static int capi20_proc_show(struct seq_file *m, void *v)
return 0;
}
static int capi20_proc_open(struct inode *inode, struct file *file)
{
return single_open(file, capi20_proc_show, NULL);
}
static const struct file_operations capi20_proc_fops = {
.owner = THIS_MODULE,
.open = capi20_proc_open,
.read = seq_read,
.llseek = seq_lseek,
.release = single_release,
};
/*
* /proc/capi/capi20ncci:
* applid ncci
@ -1373,23 +1360,10 @@ static int capi20ncci_proc_show(struct seq_file *m, void *v)
return 0;
}
static int capi20ncci_proc_open(struct inode *inode, struct file *file)
{
return single_open(file, capi20ncci_proc_show, NULL);
}
static const struct file_operations capi20ncci_proc_fops = {
.owner = THIS_MODULE,
.open = capi20ncci_proc_open,
.read = seq_read,
.llseek = seq_lseek,
.release = single_release,
};
static void __init proc_init(void)
{
proc_create("capi/capi20", 0, NULL, &capi20_proc_fops);
proc_create("capi/capi20ncci", 0, NULL, &capi20ncci_proc_fops);
proc_create_single("capi/capi20", 0, NULL, capi20_proc_show);
proc_create_single("capi/capi20ncci", 0, NULL, capi20ncci_proc_show);
}
static void __exit proc_exit(void)

15
drivers/isdn/capi/capidrv.c
View file

@ -2460,22 +2460,9 @@ static int capidrv_proc_show(struct seq_file *m, void *v)
return 0;
}
static int capidrv_proc_open(struct inode *inode, struct file *file)
{
return single_open(file, capidrv_proc_show, NULL);
}
static const struct file_operations capidrv_proc_fops = {
.owner = THIS_MODULE,
.open = capidrv_proc_open,
.read = seq_read,
.llseek = seq_lseek,
.release = single_release,
};
static void __init proc_init(void)
{
proc_create("capi/capidrv", 0, NULL, &capidrv_proc_fops);
proc_create_single("capi/capidrv", 0, NULL, capidrv_proc_show);
}
static void __exit proc_exit(void)

17
drivers/isdn/hardware/eicon/diva_didd.c
View file

@ -78,26 +78,13 @@ static int divadidd_proc_show(struct seq_file *m, void *v)
return 0;
}
static int divadidd_proc_open(struct inode *inode, struct file *file)
{
return single_open(file, divadidd_proc_show, NULL);
}
static const struct file_operations divadidd_proc_fops = {
.owner = THIS_MODULE,
.open = divadidd_proc_open,
.read = seq_read,
.llseek = seq_lseek,
.release = single_release,
};
static int __init create_proc(void)
{
proc_net_eicon = proc_mkdir("eicon", init_net.proc_net);
if (proc_net_eicon) {
proc_didd = proc_create(DRIVERLNAME, S_IRUGO, proc_net_eicon,
&divadidd_proc_fops);
proc_didd = proc_create_single(DRIVERLNAME, S_IRUGO,
proc_net_eicon, divadidd_proc_show);
return (1);
}
return (0);

17
drivers/isdn/hardware/eicon/divasi.c
View file

@ -101,23 +101,10 @@ static int um_idi_proc_show(struct seq_file *m, void *v)
return 0;
}
static int um_idi_proc_open(struct inode *inode, struct file *file)
{
return single_open(file, um_idi_proc_show, NULL);
}
static const struct file_operations um_idi_proc_fops = {
.owner = THIS_MODULE,
.open = um_idi_proc_open,
.read = seq_read,
.llseek = seq_lseek,
.release = single_release,
};
static int __init create_um_idi_proc(void)
{
um_idi_proc_entry = proc_create(DRIVERLNAME, S_IRUGO, proc_net_eicon,
&um_idi_proc_fops);
um_idi_proc_entry = proc_create_single(DRIVERLNAME, S_IRUGO,
proc_net_eicon, um_idi_proc_show);
if (!um_idi_proc_entry)
return (0);
return (1);