On 06/25/2014 12:16 PM, Ilya Dryomov wrote:
> Abstract out __move_osd_to_lru() logic from __unregister_request() and
> __unregister_linger_request().
>
> Signed-off-by: Ilya Dryomov <ilya.dryo...@inktank.com>
Looks good.
Reviewed-by: Alex Elder <el...@linaro.org>
> ---
> net/ceph/osd_client.c | 26 ++++++++++++++------------
> 1 file changed, 14 insertions(+), 12 deletions(-)
>
> diff --git a/net/ceph/osd_client.c b/net/ceph/osd_client.c
> index d5d2be3bd113..6202923b41ff 100644
> --- a/net/ceph/osd_client.c
> +++ b/net/ceph/osd_client.c
> @@ -1029,12 +1029,23 @@ static void remove_all_osds(struct ceph_osd_client
> *osdc)
> static void __move_osd_to_lru(struct ceph_osd_client *osdc,
> struct ceph_osd *osd)
> {
> - dout("__move_osd_to_lru %p\n", osd);
> + dout("%s %p\n", __func__, osd);
> BUG_ON(!list_empty(&osd->o_osd_lru));
> +
> list_add_tail(&osd->o_osd_lru, &osdc->osd_lru);
> osd->lru_ttl = jiffies + osdc->client->options->osd_idle_ttl * HZ;
> }
>
> +static void maybe_move_osd_to_lru(struct ceph_osd_client *osdc,
> + struct ceph_osd *osd)
> +{
> + dout("%s %p\n", __func__, osd);
> +
> + if (list_empty(&osd->o_requests) &&
> + list_empty(&osd->o_linger_requests))
> + __move_osd_to_lru(osdc, osd);
> +}
> +
> static void __remove_osd_from_lru(struct ceph_osd *osd)
> {
> dout("__remove_osd_from_lru %p\n", osd);
> @@ -1182,11 +1193,7 @@ static void __unregister_request(struct
> ceph_osd_client *osdc,
> ceph_msg_revoke(req->r_request);
>
> list_del_init(&req->r_osd_item);
> - if (list_empty(&req->r_osd->o_requests) &&
> - list_empty(&req->r_osd->o_linger_requests)) {
> - dout("moving osd to %p lru\n", req->r_osd);
> - __move_osd_to_lru(osdc, req->r_osd);
> - }
> + maybe_move_osd_to_lru(osdc, req->r_osd);
> if (list_empty(&req->r_linger_item))
> req->r_osd = NULL;
> }
> @@ -1229,12 +1236,7 @@ static void __unregister_linger_request(struct
> ceph_osd_client *osdc,
> list_del_init(&req->r_linger_item);
> if (req->r_osd) {
> list_del_init(&req->r_linger_osd_item);
> -
> - if (list_empty(&req->r_osd->o_requests) &&
> - list_empty(&req->r_osd->o_linger_requests)) {
> - dout("moving osd to %p lru\n", req->r_osd);
> - __move_osd_to_lru(osdc, req->r_osd);
> - }
> + maybe_move_osd_to_lru(osdc, req->r_osd);
> if (list_empty(&req->r_osd_item))
> req->r_osd = NULL;
> }
>
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