proc: introduce proc_create_single{,_data}
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>
diff --git a/drivers/parisc/sba_iommu.c b/drivers/parisc/sba_iommu.c
index 0a9c762..0d33d1f 100644
--- a/drivers/parisc/sba_iommu.c
+++ b/drivers/parisc/sba_iommu.c
@@ -1864,20 +1864,6 @@
}
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)
{
struct sba_device *sba_dev = sba_list;
@@ -1889,20 +1875,6 @@
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 @@
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();