[Virtio-fs] [PATCH 2/4] virtiofsd: support nanosecond resolution for file timestamp

[Dr. David Alan Gilbert]

* Liu Bo (bo.liu at linux.alibaba.com) wrote:
> From: Jiufei Xue <jiufei.xue at linux.alibaba.com>
> 
> Define HAVE_STRUCT_STAT_ST_ATIM to 1 if `st_atim' is member of `struct
> stat' which means support nanosecond resolution for the file timestamp
> fields.
> 
> Signed-off-by: Jiufei Xue <jiufei.xue at linux.alibaba.com>
> Reviewed-by: Joseph Qi <joseph.qi at linux.alibaba.com>

Reviewed-by: Dr. David Alan Gilbert <dgilbert at redhat.com>

Thanks, applied to my tree.

> ---
>  configure                     | 16 ++++++++++++++++
>  contrib/virtiofsd/fuse_misc.h |  1 +
>  2 files changed, 17 insertions(+)
> 
> diff --git a/configure b/configure
> index 5c21a65..57336ec 100755
> --- a/configure
> +++ b/configure
> @@ -5147,6 +5147,19 @@ if compile_prog "" "" ; then
>      strchrnul=yes
>  fi
>  
> +#########################################
> +# check if we have st_atim
> +
> +st_atim=no
> +cat > $TMPC << EOF
> +#include <sys/stat.h>
> +#include <stddef.h>
> +int main(void) { return offsetof(struct stat, st_atim); }
> +EOF
> +if compile_prog "" "" ; then
> +    st_atim=yes
> +fi
> +
>  ##########################################
>  # check if trace backend exists
>  
> @@ -6757,6 +6770,9 @@ fi
>  if test "$strchrnul" = "yes" ; then
>    echo "HAVE_STRCHRNUL=y" >> $config_host_mak
>  fi
> +if test "$st_atim" = "yes" ; then
> +  echo "HAVE_STRUCT_STAT_ST_ATIM=y" >> $config_host_mak
> +fi
>  if test "$byteswap_h" = "yes" ; then
>    echo "CONFIG_BYTESWAP_H=y" >> $config_host_mak
>  fi
> diff --git a/contrib/virtiofsd/fuse_misc.h b/contrib/virtiofsd/fuse_misc.h
> index 2f6663e..30a1d7f 100644
> --- a/contrib/virtiofsd/fuse_misc.h
> +++ b/contrib/virtiofsd/fuse_misc.h
> @@ -7,6 +7,7 @@
>  */
>  
>  #include <pthread.h>
> +#include "config-host.h"
>  
>  /*
>    Versioned symbols cannot be used in some cases because it
> -- 
> 1.8.3.1
> 
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--
Dr. David Alan Gilbert / dgilbert at redhat.com / Manchester, UK