Re: [nfs-utils PATCH] nfsd: don't assume service is running when setting thread count to 0

On 6/8/26 9:13 AM, Scott Mayhew wrote:
> Newer kernels return -EIO if you try to write to /proc/fs/nfsd/threads
> and there are no active listeners.
> 
> Signed-off-by: Scott Mayhew <[email protected]>
Committed...

steved.
> ---
>   utils/nfsd/nfsd.c | 16 ++++++++++------
>   1 file changed, 10 insertions(+), 6 deletions(-)
> 
> diff --git a/utils/nfsd/nfsd.c b/utils/nfsd/nfsd.c
> index 365e145d..c95d32f4 100644
> --- a/utils/nfsd/nfsd.c
> +++ b/utils/nfsd/nfsd.c
> @@ -311,12 +311,16 @@ main(int argc, char **argv)
>   				argv[0], count);
>   			count = 1;
>   		} else if (count == 0) {
> -			/*
> -			 * don't bother setting anything else if the threads
> -			 * are coming down anyway.
> -			 */
> -			socket_up = 1;
> -			goto set_threads;
> +			if (nfssvc_inuse()) {
> +				/*
> +				 * don't bother setting anything else if the threads
> +				 * are coming down anyway.
> +				 */
> +				socket_up = 1;
> +				goto set_threads;
> +			} else {
> +				goto out;
> +			}
>   		}
>   	}
>