[3/3] nvdimm/namespace: fix kernel-doc for function params

Message ID 20231207210545.24056-3-rdunlap@infradead.org
State New
Headers
Series [1/3] nvdimm/btt: fix btt_blk_cleanup() kernel-doc |

Commit Message

Randy Dunlap Dec. 7, 2023, 9:05 p.m. UTC
  Adjust kernel-doc notation to prevent warnings when using -Wall.

namespace_devs.c:76: warning: No description found for return value of 'nd_is_uuid_unique'
namespace_devs.c:343: warning: No description found for return value of 'shrink_dpa_allocation'
namespace_devs.c:668: warning: No description found for return value of 'grow_dpa_allocation'
namespace_devs.c:958: warning: No description found for return value of 'namespace_update_uuid'
namespace_devs.c:1665: warning: Function parameter or member 'nd_mapping' not described in 'create_namespace_pmem'
namespace_devs.c:1665: warning: Excess function parameter 'nspm' description in 'create_namespace_pmem'
namespace_devs.c:1665: warning: No description found for return value of 'create_namespace_pmem'

Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Vishal Verma <vishal.l.verma@intel.com>
Cc: Dave Jiang <dave.jiang@intel.com>
Cc: Ira Weiny <ira.weiny@intel.com>
Cc: nvdimm@lists.linux.dev
---
 drivers/nvdimm/namespace_devs.c |   12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)
  

Comments

Ira Weiny Dec. 21, 2023, 10:32 p.m. UTC | #1
Randy Dunlap wrote:

[snip]

> @@ -1656,8 +1664,10 @@ static int select_pmem_id(struct nd_regi
>  /**
>   * create_namespace_pmem - validate interleave set labelling, retrieve label0
>   * @nd_region: region with mappings to validate
> - * @nspm: target namespace to create
> + * @nd_mapping: container of dpa-resource-root + labels
>   * @nd_label: target pmem namespace label to evaluate
> + *
> + * Returns: the created &struct device on success or -errno on error

NIT: should this be ERR_PTR(-errno) on error?

Generally good to me though.

Reviewed-by: Ira Weiny <ira.weiny@intel.com>

>   */
>  static struct device *create_namespace_pmem(struct nd_region *nd_region,
>  					    struct nd_mapping *nd_mapping,
  
Randy Dunlap Dec. 21, 2023, 11:26 p.m. UTC | #2
On 12/21/23 14:32, Ira Weiny wrote:
> Randy Dunlap wrote:
> 
> [snip]
> 
>> @@ -1656,8 +1664,10 @@ static int select_pmem_id(struct nd_regi
>>  /**
>>   * create_namespace_pmem - validate interleave set labelling, retrieve label0
>>   * @nd_region: region with mappings to validate
>> - * @nspm: target namespace to create
>> + * @nd_mapping: container of dpa-resource-root + labels
>>   * @nd_label: target pmem namespace label to evaluate
>> + *
>> + * Returns: the created &struct device on success or -errno on error
> 
> NIT: should this be ERR_PTR(-errno) on error?

Oh, for sure. Thanks for catching that.

> Generally good to me though.
> 
> Reviewed-by: Ira Weiny <ira.weiny@intel.com>
> 
>>   */
>>  static struct device *create_namespace_pmem(struct nd_region *nd_region,
>>  					    struct nd_mapping *nd_mapping,
  
Ira Weiny Dec. 21, 2023, 11:29 p.m. UTC | #3
Randy Dunlap wrote:
> 
> 
> On 12/21/23 14:32, Ira Weiny wrote:
> > Randy Dunlap wrote:
> > 
> > [snip]
> > 
> >> @@ -1656,8 +1664,10 @@ static int select_pmem_id(struct nd_regi
> >>  /**
> >>   * create_namespace_pmem - validate interleave set labelling, retrieve label0
> >>   * @nd_region: region with mappings to validate
> >> - * @nspm: target namespace to create
> >> + * @nd_mapping: container of dpa-resource-root + labels
> >>   * @nd_label: target pmem namespace label to evaluate
> >> + *
> >> + * Returns: the created &struct device on success or -errno on error
> > 
> > NIT: should this be ERR_PTR(-errno) on error?
> 
> Oh, for sure. Thanks for catching that.

I'll clean this up as well if you are good with me changing patch 2/3 as
well.

Ira
  

Patch

diff -- a/drivers/nvdimm/namespace_devs.c b/drivers/nvdimm/namespace_devs.c
--- a/drivers/nvdimm/namespace_devs.c
+++ b/drivers/nvdimm/namespace_devs.c
@@ -71,6 +71,8 @@  static int is_namespace_uuid_busy(struct
  * nd_is_uuid_unique - verify that no other namespace has @uuid
  * @dev: any device on a nvdimm_bus
  * @uuid: uuid to check
+ *
+ * Returns: %true if the uuid is unique, %false if not
  */
 bool nd_is_uuid_unique(struct device *dev, uuid_t *uuid)
 {
@@ -337,6 +339,8 @@  static int scan_free(struct nd_region *n
  * adjust_resource() the allocation to @n, but if @n is larger than the
  * allocation delete it and find the 'new' last allocation in the label
  * set.
+ *
+ * Returns: %0 on success on -errno on error
  */
 static int shrink_dpa_allocation(struct nd_region *nd_region,
 		struct nd_label_id *label_id, resource_size_t n)
@@ -662,6 +666,8 @@  void release_free_pmem(struct nvdimm_bus
  * allocations from the start of an interleave set and end at the first
  * BLK allocation or the end of the interleave set, whichever comes
  * first.
+ *
+ * Returns: %0 on success on -errno on error
  */
 static int grow_dpa_allocation(struct nd_region *nd_region,
 		struct nd_label_id *label_id, resource_size_t n)
@@ -951,6 +957,8 @@  static ssize_t uuid_show(struct device *
  * @dev: namespace type for generating label_id
  * @new_uuid: incoming uuid
  * @old_uuid: reference to the uuid storage location in the namespace object
+ *
+ * Returns: %0 on success on -errno on error
  */
 static int namespace_update_uuid(struct nd_region *nd_region,
 				 struct device *dev, uuid_t *new_uuid,
@@ -1656,8 +1664,10 @@  static int select_pmem_id(struct nd_regi
 /**
  * create_namespace_pmem - validate interleave set labelling, retrieve label0
  * @nd_region: region with mappings to validate
- * @nspm: target namespace to create
+ * @nd_mapping: container of dpa-resource-root + labels
  * @nd_label: target pmem namespace label to evaluate
+ *
+ * Returns: the created &struct device on success or -errno on error
  */
 static struct device *create_namespace_pmem(struct nd_region *nd_region,
 					    struct nd_mapping *nd_mapping,