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proc: introduce proc_create_seq{,_data}

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Variants of proc_create{,_data} that directly take a struct seq_operations
argument 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
2018-04-13 19:44:18 +02:00
parent 7aed53d1df
commit fddda2b7b5
53 changed files with 151 additions and 925 deletions
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11
mm/vmalloc.c
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@@ -2753,11 +2753,8 @@ static const struct seq_operations vmalloc_op = {
static int vmalloc_open(struct inode *inode, struct file *file)
{
if (IS_ENABLED(CONFIG_NUMA))
return seq_open_private(file, &vmalloc_op,
return seq_open_private(file, &vmalloc_op,
nr_node_ids * sizeof(unsigned int));
else
return seq_open(file, &vmalloc_op);
}
static const struct file_operations proc_vmalloc_operations = {
@@ -2769,7 +2766,11 @@ static const struct file_operations proc_vmalloc_operations = {
static int __init proc_vmalloc_init(void)
{
proc_create("vmallocinfo", S_IRUSR, NULL, &proc_vmalloc_operations);
if (IS_ENABLED(CONFIG_NUMA))
proc_create("vmallocinfo", S_IRUSR, NULL,
&proc_vmalloc_operations);
else
proc_create_seq("vmallocinfo", S_IRUSR, NULL, &vmalloc_op);
return 0;
}
module_init(proc_vmalloc_init);