[PATCH] dm: tidy mdptr (9ade92a9) · Commits · 戴 / test

drivers/md/dm-ioctl.c

+13 −3

Original line number	Diff line number	Diff line
		@@ -600,12 +600,22 @@ static int dev_create(struct dm_ioctl *param, size_t param_size)
		*/
		static struct hash_cell __find_device_hash_cell(struct dm_ioctl param)
		{
		struct mapped_device *md;
		void *mdptr = NULL;

		if (*param->uuid)
		return __get_uuid_cell(param->uuid);
		else if (*param->name)

		if (*param->name)
		return __get_name_cell(param->name);
		else
		return dm_get_mdptr(huge_decode_dev(param->dev));

		md = dm_get_md(huge_decode_dev(param->dev));
		if (md) {
		mdptr = dm_get_mdptr(md);
		dm_put(md);
		}

		return mdptr;
		}

		static struct mapped_device find_device(struct dm_ioctl param)

+2 −8

Original line number	Diff line number	Diff line
		@@ -990,15 +990,9 @@ struct mapped_device *dm_get_md(dev_t dev)
		return md;
		}

		void *dm_get_mdptr(dev_t dev)
		void dm_get_mdptr(struct mapped_device md)
		{
		struct mapped_device *md;
		void *mdptr = NULL;

		md = dm_find_md(dev);
		if (md)
		mdptr = md->interface_ptr;
		return mdptr;
		return md->interface_ptr;
		}

		void dm_set_mdptr(struct mapped_device md, void ptr)

+1 −1

Original line number	Diff line number	Diff line
		@@ -47,7 +47,7 @@ struct mapped_device;
		int dm_create(struct mapped_device **md);
		int dm_create_with_minor(unsigned int minor, struct mapped_device **md);
		void dm_set_mdptr(struct mapped_device md, void ptr);
		void *dm_get_mdptr(dev_t dev);
		void dm_get_mdptr(struct mapped_device md);
		struct mapped_device *dm_get_md(dev_t dev);

		/*