Per RFC NFSv42 draft, client MUST reset the statistics after getting a successfully reply from the metadata server. Signed-off-by: Peng Tao <tao.peng@xxxxxxxxxxxxxxx> --- fs/nfs/flexfilelayout/flexfilelayout.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/fs/nfs/flexfilelayout/flexfilelayout.c b/fs/nfs/flexfilelayout/flexfilelayout.c index 64beedd..4b79c74 100644 --- a/fs/nfs/flexfilelayout/flexfilelayout.c +++ b/fs/nfs/flexfilelayout/flexfilelayout.c @@ -1881,6 +1881,14 @@ ff_layout_cleanup_layoutstats(struct nfs42_layoutstat_data *data) for (i = 0; i < data->args.num_dev; i++) { mirror = data->args.devinfo[i].layout_private; data->args.devinfo[i].layout_private = NULL; + if (data->res.rpc_status == NFS4_OK) { + spin_lock(&mirror->lock); + memset(&mirror->read_stat.io_stat, 0, + sizeof(mirror->read_stat.io_stat)); + memset(&mirror->write_stat.io_stat, 0, + sizeof(mirror->write_stat.io_stat)); + spin_unlock(&mirror->lock); + } pnfs_put_lseg(mirror->lseg); } } -- 1.8.3.1 -- To unsubscribe from this list: send the line "unsubscribe linux-nfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html