diff options
| author | Philipp Reisner | 2010-05-06 15:19:30 +0200 |
|---|---|---|
| committer | Philipp Reisner | 2010-05-18 01:28:08 +0200 |
| commit | 162f3ec7f026784ff2e216f19147d67e2f8ccd56 (patch) | |
| tree | ef211a8348dc4862da7ce21c315aed2e37e8de7b /drivers/block/drbd/drbd_main.c | |
| parent | drbd: A fixes to the new resync speed code (diff) | |
| download | kernel-qcow2-linux-162f3ec7f026784ff2e216f19147d67e2f8ccd56.tar.gz kernel-qcow2-linux-162f3ec7f026784ff2e216f19147d67e2f8ccd56.tar.xz kernel-qcow2-linux-162f3ec7f026784ff2e216f19147d67e2f8ccd56.zip | |
drbd: Fixes to the new delay_probes code
* Only send delay_probes with protocol 93 or newer
* drbd_send_delay_probes() is called only from worker context,
no atomic_t needed for delay_seq
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
Diffstat (limited to 'drivers/block/drbd/drbd_main.c')
| -rw-r--r-- | drivers/block/drbd/drbd_main.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/block/drbd/drbd_main.c b/drivers/block/drbd/drbd_main.c index 44cc7b415ed4..3aa0add1c230 100644 --- a/drivers/block/drbd/drbd_main.c +++ b/drivers/block/drbd/drbd_main.c @@ -2199,7 +2199,7 @@ static int drbd_send_delay_probe(struct drbd_conf *mdev, struct drbd_socket *ds) do_gettimeofday(&now); offset = now.tv_usec - mdev->dps_time.tv_usec + (now.tv_sec - mdev->dps_time.tv_sec) * 1000000; - dp.seq_num = cpu_to_be32(atomic_read(&mdev->delay_seq)); + dp.seq_num = cpu_to_be32(mdev->delay_seq); dp.offset = cpu_to_be32(offset); ok = _drbd_send_cmd(mdev, ds->socket, P_DELAY_PROBE, @@ -2213,7 +2213,8 @@ static int drbd_send_delay_probe(struct drbd_conf *mdev, struct drbd_socket *ds) static int drbd_send_delay_probes(struct drbd_conf *mdev) { int ok; - atomic_inc(&mdev->delay_seq); + + mdev->delay_seq++; do_gettimeofday(&mdev->dps_time); ok = drbd_send_delay_probe(mdev, &mdev->meta); ok = ok && drbd_send_delay_probe(mdev, &mdev->data); @@ -2355,7 +2356,7 @@ static int _drbd_send_zc_bio(struct drbd_conf *mdev, struct bio *bio) static void consider_delay_probes(struct drbd_conf *mdev) { - if (mdev->state.conn != C_SYNC_SOURCE) + if (mdev->state.conn != C_SYNC_SOURCE || mdev->agreed_pro_version < 93) return; if (mdev->dp_volume_last + mdev->sync_conf.dp_volume * 2 < mdev->send_cnt) @@ -2677,7 +2678,6 @@ void drbd_init_set_defaults(struct drbd_conf *mdev) atomic_set(&mdev->net_cnt, 0); atomic_set(&mdev->packet_seq, 0); atomic_set(&mdev->pp_in_use, 0); - atomic_set(&mdev->delay_seq, 0); mutex_init(&mdev->md_io_mutex); mutex_init(&mdev->data.mutex); |