From: Xiubo Li Date: Wed, 31 May 2023 08:06:55 +0000 (+0800) Subject: ceph: only send metrics when the MDS rank is ready X-Git-Tag: v6.6.17~4414^2~7 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=f7c2f4f6ce16fb58f7d024f3e1b40023c4b43ff9;p=platform%2Fkernel%2Flinux-rpi.git ceph: only send metrics when the MDS rank is ready When the MDS rank is in clientreplay state, the metrics requests will be discarded directly. Also, when there are a lot of known client requests to recover from, the metrics requests will slow down the MDS rank from getting to the active state sooner. With this patch, we will send the metrics requests only when the MDS rank is in active state. Link: https://tracker.ceph.com/issues/61524 Signed-off-by: Xiubo Li Reviewed-by: Milind Changire Signed-off-by: Ilya Dryomov --- diff --git a/fs/ceph/metric.c b/fs/ceph/metric.c index c47347d..cce78d7 100644 --- a/fs/ceph/metric.c +++ b/fs/ceph/metric.c @@ -36,6 +36,14 @@ static bool ceph_mdsc_send_metrics(struct ceph_mds_client *mdsc, s32 items = 0; s32 len; + /* Do not send the metrics until the MDS rank is ready */ + mutex_lock(&mdsc->mutex); + if (ceph_mdsmap_get_state(mdsc->mdsmap, s->s_mds) != CEPH_MDS_STATE_ACTIVE) { + mutex_unlock(&mdsc->mutex); + return false; + } + mutex_unlock(&mdsc->mutex); + len = sizeof(*head) + sizeof(*cap) + sizeof(*read) + sizeof(*write) + sizeof(*meta) + sizeof(*dlease) + sizeof(*files) + sizeof(*icaps) + sizeof(*inodes) + sizeof(*rsize)