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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

34
drivers/parisc/ccio-dma.c
View file

@ -1108,19 +1108,6 @@ static int ccio_proc_info(struct seq_file *m, void *p)
return 0;
}
static int ccio_proc_info_open(struct inode *inode, struct file *file)
{
return single_open(file, &ccio_proc_info, NULL);
}
static const struct file_operations ccio_proc_info_fops = {
.owner = THIS_MODULE,
.open = ccio_proc_info_open,
.read = seq_read,
.llseek = seq_lseek,
.release = single_release,
};
static int ccio_proc_bitmap_info(struct seq_file *m, void *p)
{
struct ioc *ioc = ioc_list;
@ -1135,19 +1122,6 @@ static int ccio_proc_bitmap_info(struct seq_file *m, void *p)
return 0;
}
static int ccio_proc_bitmap_open(struct inode *inode, struct file *file)
{
return single_open(file, &ccio_proc_bitmap_info, NULL);
}
static const struct file_operations ccio_proc_bitmap_fops = {
.owner = THIS_MODULE,
.open = ccio_proc_bitmap_open,
.read = seq_read,
.llseek = seq_lseek,
.release = single_release,
};
#endif /* CONFIG_PROC_FS */
/**
@ -1589,10 +1563,10 @@ static int __init ccio_probe(struct parisc_device *dev)
#ifdef CONFIG_PROC_FS
if (ioc_count == 0) {
proc_create(MODULE_NAME, 0, proc_runway_root,
&ccio_proc_info_fops);
proc_create(MODULE_NAME"-bitmap", 0, proc_runway_root,
&ccio_proc_bitmap_fops);
proc_create_single(MODULE_NAME, 0, proc_runway_root,
ccio_proc_info);
proc_create_single(MODULE_NAME"-bitmap", 0, proc_runway_root,
ccio_proc_bitmap_info);
}
#endif
ioc_count++;

32
drivers/parisc/sba_iommu.c
View file

@ -1863,20 +1863,6 @@ static int sba_proc_info(struct seq_file *m, void *p)
return 0;
}
static int
sba_proc_open(struct inode *i, struct file *f)
{
return single_open(f, &sba_proc_info, NULL);
}
static const struct file_operations sba_proc_fops = {
.owner = THIS_MODULE,
.open = sba_proc_open,
.read = seq_read,
.llseek = seq_lseek,
.release = single_release,
};
static int
sba_proc_bitmap_info(struct seq_file *m, void *p)
{
@ -1889,20 +1875,6 @@ sba_proc_bitmap_info(struct seq_file *m, void *p)
return 0;
}
static int
sba_proc_bitmap_open(struct inode *i, struct file *f)
{
return single_open(f, &sba_proc_bitmap_info, NULL);
}
static const struct file_operations sba_proc_bitmap_fops = {
.owner = THIS_MODULE,
.open = sba_proc_bitmap_open,
.read = seq_read,
.llseek = seq_lseek,
.release = single_release,
};
#endif /* CONFIG_PROC_FS */
static const struct parisc_device_id sba_tbl[] __initconst = {
@ -2014,8 +1986,8 @@ static int __init sba_driver_callback(struct parisc_device *dev)
break;
}
proc_create("sba_iommu", 0, root, &sba_proc_fops);
proc_create("sba_iommu-bitmap", 0, root, &sba_proc_bitmap_fops);
proc_create_single("sba_iommu", 0, root, sba_proc_info);
proc_create_single("sba_iommu-bitmap", 0, root, sba_proc_bitmap_info);
#endif
parisc_has_iommu();