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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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78
drivers/pnp/pnpbios/proc.c
View File

@@ -47,19 +47,6 @@ static int pnpconfig_proc_show(struct seq_file *m, void *v)
return 0;
}
static int pnpconfig_proc_open(struct inode *inode, struct file *file)
{
return single_open(file, pnpconfig_proc_show, NULL);
}
static const struct file_operations pnpconfig_proc_fops = {
.owner = THIS_MODULE,
.open = pnpconfig_proc_open,
.read = seq_read,
.llseek = seq_lseek,
.release = single_release,
};
static int escd_info_proc_show(struct seq_file *m, void *v)
{
struct escd_info_struc escd;
@@ -74,19 +61,6 @@ static int escd_info_proc_show(struct seq_file *m, void *v)
return 0;
}
static int escd_info_proc_open(struct inode *inode, struct file *file)
{
return single_open(file, escd_info_proc_show, NULL);
}
static const struct file_operations escd_info_proc_fops = {
.owner = THIS_MODULE,
.open = escd_info_proc_open,
.read = seq_read,
.llseek = seq_lseek,
.release = single_release,
};
#define MAX_SANE_ESCD_SIZE (32*1024)
static int escd_proc_show(struct seq_file *m, void *v)
{
@@ -129,19 +103,6 @@ static int escd_proc_show(struct seq_file *m, void *v)
return 0;
}
static int escd_proc_open(struct inode *inode, struct file *file)
{
return single_open(file, escd_proc_show, NULL);
}
static const struct file_operations escd_proc_fops = {
.owner = THIS_MODULE,
.open = escd_proc_open,
.read = seq_read,
.llseek = seq_lseek,
.release = single_release,
};
static int pnp_legacyres_proc_show(struct seq_file *m, void *v)
{
void *buf;
@@ -159,19 +120,6 @@ static int pnp_legacyres_proc_show(struct seq_file *m, void *v)
return 0;
}
static int pnp_legacyres_proc_open(struct inode *inode, struct file *file)
{
return single_open(file, pnp_legacyres_proc_show, NULL);
}
static const struct file_operations pnp_legacyres_proc_fops = {
.owner = THIS_MODULE,
.open = pnp_legacyres_proc_open,
.read = seq_read,
.llseek = seq_lseek,
.release = single_release,
};
static int pnp_devices_proc_show(struct seq_file *m, void *v)
{
struct pnp_bios_node *node;
@@ -202,19 +150,6 @@ static int pnp_devices_proc_show(struct seq_file *m, void *v)
return 0;
}
static int pnp_devices_proc_open(struct inode *inode, struct file *file)
{
return single_open(file, pnp_devices_proc_show, NULL);
}
static const struct file_operations pnp_devices_proc_fops = {
.owner = THIS_MODULE,
.open = pnp_devices_proc_open,
.read = seq_read,
.llseek = seq_lseek,
.release = single_release,
};
static int pnpbios_proc_show(struct seq_file *m, void *v)
{
void *data = m->private;
@@ -318,12 +253,13 @@ int __init pnpbios_proc_init(void)
proc_pnp_boot = proc_mkdir("boot", proc_pnp);
if (!proc_pnp_boot)
return -EIO;
proc_create("devices", 0, proc_pnp, &pnp_devices_proc_fops);
proc_create("configuration_info", 0, proc_pnp, &pnpconfig_proc_fops);
proc_create("escd_info", 0, proc_pnp, &escd_info_proc_fops);
proc_create("escd", S_IRUSR, proc_pnp, &escd_proc_fops);
proc_create("legacy_device_resources", 0, proc_pnp, &pnp_legacyres_proc_fops);
proc_create_single("devices", 0, proc_pnp, pnp_devices_proc_show);
proc_create_single("configuration_info", 0, proc_pnp,
pnpconfig_proc_show);
proc_create_single("escd_info", 0, proc_pnp, escd_info_proc_show);
proc_create_single("escd", S_IRUSR, proc_pnp, escd_proc_show);
proc_create_single("legacy_device_resources", 0, proc_pnp,
pnp_legacyres_proc_show);
return 0;
}