[Ocfs2-devel] [PATCH v1 2/5] ocfs2: change return type of ocfs2_resmap_init

[heming.zhao at suse.com]

On 4/9/22 21:14, Joseph Qi wrote:
> 
> On 4/8/22 6:30 PM, Heming Zhao wrote:
>> For rewrite error handling of ocfs2_initialize_super, change this
>> function return type from int to void.
>>
> Since ocfs2_resmap_init() always return 0, change it to void.

OK.

> 
>> Signed-off-by: Heming Zhao <heming.zhao at suse.com>
>> ---
>>   fs/ocfs2/reservations.c | 4 +---
>>   fs/ocfs2/reservations.h | 5 ++---
>>   fs/ocfs2/super.c        | 6 +-----
>>   3 files changed, 4 insertions(+), 11 deletions(-)
>>
>> diff --git a/fs/ocfs2/reservations.c b/fs/ocfs2/reservations.c
>> index 769e466887b0..a9d1296d736d 100644
>> --- a/fs/ocfs2/reservations.c
>> +++ b/fs/ocfs2/reservations.c
>> @@ -198,7 +198,7 @@ void ocfs2_resv_set_type(struct ocfs2_alloc_reservation *resv,
>>   	resv->r_flags |= flags;
>>   }
>>   
>> -int ocfs2_resmap_init(struct ocfs2_super *osb,
>> +void ocfs2_resmap_init(struct ocfs2_super *osb,
>>   		      struct ocfs2_reservation_map *resmap)
>>   {
>>   	memset(resmap, 0, sizeof(*resmap));
>> @@ -207,8 +207,6 @@ int ocfs2_resmap_init(struct ocfs2_super *osb,
>>   	resmap->m_reservations = RB_ROOT;
>>   	/* m_bitmap_len is initialized to zero by the above memset. */
>>   	INIT_LIST_HEAD(&resmap->m_lru);
>> -
>> -	return 0;
>>   }
>>   
>>   static void ocfs2_resv_mark_lru(struct ocfs2_reservation_map *resmap,
>> diff --git a/fs/ocfs2/reservations.h b/fs/ocfs2/reservations.h
>> index 677c50663595..532d42eb6db7 100644
>> --- a/fs/ocfs2/reservations.h
>> +++ b/fs/ocfs2/reservations.h
>> @@ -78,10 +78,9 @@ void ocfs2_resv_discard(struct ocfs2_reservation_map *resmap,
>>    * @ops: unused for now
>>    * @max_bitmap_bytes: Maximum size of the bitmap (typically blocksize)
>>    *
>> - * Only possible return value other than '0' is -ENOMEM for failure to
>> - * allocation mirror bitmap.
>> + * This function does initialize resmap job.
>>    */
> This comments is meaningless, so just remove it looks better.

OK.

- Heming

> 
>> -int ocfs2_resmap_init(struct ocfs2_super *osb,
>> +void ocfs2_resmap_init(struct ocfs2_super *osb,
>>   		      struct ocfs2_reservation_map *resmap);
>>   
>>   /**
>> diff --git a/fs/ocfs2/super.c b/fs/ocfs2/super.c
>> index 8391592817f8..f91c5510bc7e 100644
>> --- a/fs/ocfs2/super.c
>> +++ b/fs/ocfs2/super.c
>> @@ -2111,11 +2111,7 @@ static int ocfs2_initialize_super(struct super_block *sb,
>>   
>>   	init_waitqueue_head(&osb->osb_mount_event);
>>   
>> -	status = ocfs2_resmap_init(osb, &osb->osb_la_resmap);
>> -	if (status) {
>> -		mlog_errno(status);
>> -		goto bail;
>> -	}
>> +	ocfs2_resmap_init(osb, &osb->osb_la_resmap);
>>   
>>   	osb->vol_label = kmalloc(OCFS2_MAX_VOL_LABEL_LEN, GFP_KERNEL);
>>   	if (!osb->vol_label) {
>