linux-kernel - Re: [PATCH v2] ceph: Convert to use jiffies macro

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Message-ID: <1f8da693-4996-4a3a-9a50-4f757402d76a@redhat.com>
Date: Fri, 23 Aug 2024 09:43:46 +0800
From: Xiubo Li <xiubli@...hat.com>
To: Chen Yufan <chenyufan@...o.com>, Ilya Dryomov <idryomov@...il.com>,
 ceph-devel@...r.kernel.org, linux-kernel@...r.kernel.org
Cc: opensource.kernel@...o.com
Subject: Re: [PATCH v2] ceph: Convert to use jiffies macro


On 8/22/24 17:55, Chen Yufan wrote:
> Use time_after_eq macro instead of using
> jiffies directly to handle wraparound.
> The modifications made compared to the previous version are as follows:
> 1. Remove extra '+' in the header.
>
> Signed-off-by: Chen Yufan <chenyufan@...o.com>
> ---
>   fs/ceph/caps.c | 3 ++-
>   1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/fs/ceph/caps.c b/fs/ceph/caps.c
> index 808c9c048..6a55825c3 100644
> --- a/fs/ceph/caps.c
> +++ b/fs/ceph/caps.c
> @@ -17,6 +17,7 @@
>   #include "crypto.h"
>   #include <linux/ceph/decode.h>
>   #include <linux/ceph/messenger.h>
> +#include <linux/jiffies.h>
>   
>   /*
>    * Capability management
> @@ -4659,7 +4660,7 @@ unsigned long ceph_check_delayed_caps(struct ceph_mds_client *mdsc)
>   		 * slowness doesn't block mdsc delayed work,
>   		 * preventing send_renew_caps() from running.
>   		 */
> -		if (jiffies - loop_start >= 5 * HZ)
> +		if (time_after_eq(jiffies, loop_start + 5 * HZ))
>   			break;
>   	}
>   	spin_unlock(&mdsc->cap_delay_lock);
Hi Yufan,

Thanks for your patch and this LGTM.

Reviewed-by: Xiubo Li <xiubli@...hat.com>

Will apply to the 'testing' branch with an adjustment of the header 
files order.

Thanks

- Xiubo