diff mbox series

[02/14] block/blk-cgroup: Swap the blk_throtl_init() and blk_iolatency_init() calls

Message ID 20210608230703.19510-3-bvanassche@acm.org (mailing list archive)
State New, archived
Headers show
Series Improve I/O priority support | expand

Commit Message

Bart Van Assche June 8, 2021, 11:06 p.m. UTC
Before adding more calls in this function, simplify the error path.

Cc: Tejun Heo <tj@kernel.org>
Cc: Damien Le Moal <damien.lemoal@wdc.com>
Cc: Hannes Reinecke <hare@suse.de>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Ming Lei <ming.lei@redhat.com>
Cc: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Cc: Himanshu Madhani <himanshu.madhani@oracle.com>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
---
 block/blk-cgroup.c | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

Comments

Damien Le Moal June 9, 2021, 4:19 a.m. UTC | #1
On 2021/06/09 8:07, Bart Van Assche wrote:
> Before adding more calls in this function, simplify the error path.
> 
> Cc: Tejun Heo <tj@kernel.org>
> Cc: Damien Le Moal <damien.lemoal@wdc.com>
> Cc: Hannes Reinecke <hare@suse.de>
> Cc: Christoph Hellwig <hch@lst.de>
> Cc: Ming Lei <ming.lei@redhat.com>
> Cc: Johannes Thumshirn <johannes.thumshirn@wdc.com>
> Cc: Himanshu Madhani <himanshu.madhani@oracle.com>
> Signed-off-by: Bart Van Assche <bvanassche@acm.org>
> ---
>  block/blk-cgroup.c | 9 ++++-----
>  1 file changed, 4 insertions(+), 5 deletions(-)
> 
> diff --git a/block/blk-cgroup.c b/block/blk-cgroup.c
> index d169e2055158..3b0f6efaa2b6 100644
> --- a/block/blk-cgroup.c
> +++ b/block/blk-cgroup.c
> @@ -1183,15 +1183,14 @@ int blkcg_init_queue(struct request_queue *q)
>  	if (preloaded)
>  		radix_tree_preload_end();
>  
> -	ret = blk_throtl_init(q);
> +	ret = blk_iolatency_init(q);
>  	if (ret)
>  		goto err_destroy_all;
>  
> -	ret = blk_iolatency_init(q);
> -	if (ret) {
> -		blk_throtl_exit(q);
> +	ret = blk_throtl_init(q);
> +	if (ret)
>  		goto err_destroy_all;
> -	}
> +
>  	return 0;
>  
>  err_destroy_all:
> 

Looks good.

Reviewed-by: Damien Le Moal <damien.lemoal@wdc.com>
Johannes Thumshirn June 9, 2021, 7:05 a.m. UTC | #2
Looks good,
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Hannes Reinecke June 10, 2021, 6:02 a.m. UTC | #3
On 6/9/21 1:06 AM, Bart Van Assche wrote:
> Before adding more calls in this function, simplify the error path.
> 
> Cc: Tejun Heo <tj@kernel.org>
> Cc: Damien Le Moal <damien.lemoal@wdc.com>
> Cc: Hannes Reinecke <hare@suse.de>
> Cc: Christoph Hellwig <hch@lst.de>
> Cc: Ming Lei <ming.lei@redhat.com>
> Cc: Johannes Thumshirn <johannes.thumshirn@wdc.com>
> Cc: Himanshu Madhani <himanshu.madhani@oracle.com>
> Signed-off-by: Bart Van Assche <bvanassche@acm.org>
> ---
>  block/blk-cgroup.c | 9 ++++-----
>  1 file changed, 4 insertions(+), 5 deletions(-)
> 
> diff --git a/block/blk-cgroup.c b/block/blk-cgroup.c
> index d169e2055158..3b0f6efaa2b6 100644
> --- a/block/blk-cgroup.c
> +++ b/block/blk-cgroup.c
> @@ -1183,15 +1183,14 @@ int blkcg_init_queue(struct request_queue *q)
>  	if (preloaded)
>  		radix_tree_preload_end();
>  
> -	ret = blk_throtl_init(q);
> +	ret = blk_iolatency_init(q);
>  	if (ret)
>  		goto err_destroy_all;
>  
> -	ret = blk_iolatency_init(q);
> -	if (ret) {
> -		blk_throtl_exit(q);
> +	ret = blk_throtl_init(q);
> +	if (ret)
>  		goto err_destroy_all;
> -	}
> +
>  	return 0;
>  
>  err_destroy_all:
> 
Reviewed-by: Hannes Reinecke <hare@suse.de>

Cheers,

Hannes
diff mbox series

Patch

diff --git a/block/blk-cgroup.c b/block/blk-cgroup.c
index d169e2055158..3b0f6efaa2b6 100644
--- a/block/blk-cgroup.c
+++ b/block/blk-cgroup.c
@@ -1183,15 +1183,14 @@  int blkcg_init_queue(struct request_queue *q)
 	if (preloaded)
 		radix_tree_preload_end();
 
-	ret = blk_throtl_init(q);
+	ret = blk_iolatency_init(q);
 	if (ret)
 		goto err_destroy_all;
 
-	ret = blk_iolatency_init(q);
-	if (ret) {
-		blk_throtl_exit(q);
+	ret = blk_throtl_init(q);
+	if (ret)
 		goto err_destroy_all;
-	}
+
 	return 0;
 
 err_destroy_all: