On Tue, Jan 17, 2023 at 04:44:33PM -0800, Darrick J. Wong wrote:
> From: Darrick J. Wong <djwong@xxxxxxxxxx>
>
> Run the copy loop in parallel to reduce runtime. If filling the
> populated fs is selected (which it isn't by default in xfs/349), this
> reduces the runtime from ~18s to ~15s, since it's only making enough
> copies to reduce the free space by 5%.
>
> Signed-off-by: Darrick J. Wong <djwong@xxxxxxxxxx>
> ---
> common/populate | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
>
> diff --git a/common/populate b/common/populate
> index f34551d272..1c3c28463f 100644
> --- a/common/populate
> +++ b/common/populate
> @@ -151,8 +151,9 @@ __populate_fill_fs() {
> echo "FILL FS"
> echo "src_sz $SRC_SZ fs_sz $FS_SZ nr $NR"
> seq 2 "${NR}" | while read nr; do
> - cp -pRdu "${dir}/test/1" "${dir}/test/${nr}"
> + cp -pRdu "${dir}/test/1" "${dir}/test/${nr}" &
> done
> + wait
I'm thinking about what'll happen if we do "Ctrl+c" on a running test which
is waiting for these cp operations.
> }
>
> # For XFS, force on all the quota options if quota is enabled
>
