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proc: introduce proc_create_single{,_data}

Forráskód böngészése 
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
szülő 44414d82cf
commit 3f3942aca6
85 fájl változott, egészen pontosan 235 új sor hozzáadva és 1509 régi sor törölve
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51
drivers/nubus/proc.c
Fájl megtekintése

@@ -45,18 +45,6 @@ nubus_devices_proc_show(struct seq_file *m, void *v)
return 0;
}
static int nubus_devices_proc_open(struct inode *inode, struct file *file)
{
return single_open(file, nubus_devices_proc_show, NULL);
}
static const struct file_operations nubus_devices_proc_fops = {
.open = nubus_devices_proc_open,
.read = seq_read,
.llseek = seq_lseek,
.release = single_release,
};
static struct proc_dir_entry *proc_bus_nubus_dir;
/*
@@ -149,18 +137,6 @@ static int nubus_proc_rsrc_show(struct seq_file *m, void *v)
return 0;
}
static int nubus_proc_rsrc_open(struct inode *inode, struct file *file)
{
return single_open(file, nubus_proc_rsrc_show, inode);
}
static const struct file_operations nubus_proc_rsrc_fops = {
.open = nubus_proc_rsrc_open,
.read = seq_read,
.llseek = seq_lseek,
.release = single_release,
};
void nubus_proc_add_rsrc_mem(struct proc_dir_entry *procdir,
const struct nubus_dirent *ent,
unsigned int size)
@@ -176,8 +152,8 @@ void nubus_proc_add_rsrc_mem(struct proc_dir_entry *procdir,
pde_data = nubus_proc_alloc_pde_data(nubus_dirptr(ent), size);
else
pde_data = NULL;
proc_create_data(name, S_IFREG | 0444, procdir,
&nubus_proc_rsrc_fops, pde_data);
proc_create_single_data(name, S_IFREG | 0444, procdir,
nubus_proc_rsrc_show, pde_data);
}
void nubus_proc_add_rsrc(struct proc_dir_entry *procdir,
@@ -190,32 +166,21 @@ void nubus_proc_add_rsrc(struct proc_dir_entry *procdir,
return;
snprintf(name, sizeof(name), "%x", ent->type);
proc_create_data(name, S_IFREG | 0444, procdir,
&nubus_proc_rsrc_fops,
nubus_proc_alloc_pde_data(data, 0));
proc_create_single_data(name, S_IFREG | 0444, procdir,
nubus_proc_rsrc_show,
nubus_proc_alloc_pde_data(data, 0));
}
/*
* /proc/nubus stuff
*/
static int nubus_proc_open(struct inode *inode, struct file *file)
{
return single_open(file, nubus_proc_show, NULL);
}
static const struct file_operations nubus_proc_fops = {
.open = nubus_proc_open,
.read = seq_read,
.llseek = seq_lseek,
.release = single_release,
};
void __init nubus_proc_init(void)
{
proc_create("nubus", 0, NULL, &nubus_proc_fops);
proc_create_single("nubus", 0, NULL, nubus_proc_show);
proc_bus_nubus_dir = proc_mkdir("bus/nubus", NULL);
if (!proc_bus_nubus_dir)
return;
proc_create("devices", 0, proc_bus_nubus_dir, &nubus_devices_proc_fops);
proc_create_single("devices", 0, proc_bus_nubus_dir,
nubus_devices_proc_show);
}