[Virtio-fs] [PATCH 5/5] virtiofsd: add helper for lo_data cleanup

Dr. David Alan Gilbert dgilbert at redhat.com
Thu Jun 6 09:41:06 UTC 2019


* Liu Bo (bo.liu at linux.alibaba.com) wrote:
> This offers an helper function for lo_data's cleanup.
> 
> Signed-off-by: Liu Bo <bo.liu at linux.alibaba.com>

That's ok, but will need updating when you do a new version of the
lo.source.

Dave

> ---
>  contrib/virtiofsd/passthrough_ll.c | 34 +++++++++++++++++++---------------
>  1 file changed, 19 insertions(+), 15 deletions(-)
> 
> diff --git a/contrib/virtiofsd/passthrough_ll.c b/contrib/virtiofsd/passthrough_ll.c
> index 649991e..73ca09f 100644
> --- a/contrib/virtiofsd/passthrough_ll.c
> +++ b/contrib/virtiofsd/passthrough_ll.c
> @@ -2205,6 +2205,24 @@ static gboolean lo_key_equal(gconstpointer a, gconstpointer b)
>                 la->dev == lb->dev;
>  }
>  
> +static void fuse_lo_data_cleanup(struct lo_data *lo, bool free_source)
> +{
> +        if (lo->inodes)
> +                g_hash_table_destroy(lo->inodes);
> +	lo_map_destroy(&lo->fd_map);
> +	lo_map_destroy(&lo->dirp_map);
> +	lo_map_destroy(&lo->ino_map);
> +
> +	if (lo->proc_self_fd >= 0) {
> +		close(lo->proc_self_fd);
> +	}
> +
> +	if (lo->root.fd >= 0)
> +		close(lo->root.fd);
> +
> +        if (free_source)
> +                free((char *)lo->source);
> +}
>  
>  int main(int argc, char *argv[])
>  {
> @@ -2325,21 +2343,7 @@ err_out2:
>  err_out1:
>  	fuse_opt_free_args(&args);
>  
> -        if (lo.inodes)
> -                g_hash_table_destroy(lo.inodes);
> -	lo_map_destroy(&lo.fd_map);
> -	lo_map_destroy(&lo.dirp_map);
> -	lo_map_destroy(&lo.ino_map);
> -
> -	if (lo.proc_self_fd >= 0) {
> -		close(lo.proc_self_fd);
> -	}
> -
> -	if (lo.root.fd >= 0)
> -		close(lo.root.fd);
> -
> -        if (free_source)
> -                free((char *)lo.source);
> +        fuse_lo_data_cleanup(&lo, free_source);
>  
>  	return ret ? 1 : 0;
>  }
> -- 
> 1.8.3.1
> 
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--
Dr. David Alan Gilbert / dgilbert at redhat.com / Manchester, UK




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