resource: switch to proc_create_seq_data (4e292a96) · Commits · 戴 / test

kernel/resource.c

+5 −38

Original line number	Diff line number	Diff line
		@@ -87,7 +87,7 @@ enum { MAX_IORES_LEVEL = 5 };
		static void r_start(struct seq_file m, loff_t *pos)
		__acquires(resource_lock)
		{
		struct resource *p = m->private;
		struct resource *p = PDE_DATA(file_inode(m->file));
		loff_t l = 0;
		read_lock(&resource_lock);
		for (p = p->child; p && l < *pos; p = r_next(m, p, &l))
		@@ -103,7 +103,7 @@ static void r_stop(struct seq_file m, void v)

		static int r_show(struct seq_file m, void v)
		{
		struct resource *root = m->private;
		struct resource *root = PDE_DATA(file_inode(m->file));
		struct resource r = v, p;
		unsigned long long start, end;
		int width = root->end < 0x10000 ? 4 : 8;
		@@ -135,44 +135,11 @@ static const struct seq_operations resource_op = {
		.show = r_show,
		};

		static int ioports_open(struct inode inode, struct file file)
		{
		int res = seq_open(file, &resource_op);
		if (!res) {
		struct seq_file *m = file->private_data;
		m->private = &ioport_resource;
		}
		return res;
		}

		static int iomem_open(struct inode inode, struct file file)
		{
		int res = seq_open(file, &resource_op);
		if (!res) {
		struct seq_file *m = file->private_data;
		m->private = &iomem_resource;
		}
		return res;
		}

		static const struct file_operations proc_ioports_operations = {
		.open = ioports_open,
		.read = seq_read,
		.llseek = seq_lseek,
		.release = seq_release,
		};

		static const struct file_operations proc_iomem_operations = {
		.open = iomem_open,
		.read = seq_read,
		.llseek = seq_lseek,
		.release = seq_release,
		};

		static int __init ioresources_init(void)
		{
		proc_create("ioports", 0, NULL, &proc_ioports_operations);
		proc_create("iomem", 0, NULL, &proc_iomem_operations);
		proc_create_seq_data("ioports", 0, NULL, &resource_op,
		&ioport_resource);
		proc_create_seq_data("iomem", 0, NULL, &resource_op, &iomem_resource);
		return 0;
		}
		__initcall(ioresources_init);

Admin message