From ec3a4b8618be32d7563b54c0d7b68f4b9958cf14 Mon Sep 17 00:00:00 2001 From: Philipp Reisner Date: Thu, 6 May 2010 15:19:30 +0200 Subject: [PATCH] --- yaml --- r: 196860 b: refs/heads/master c: 162f3ec7f026784ff2e216f19147d67e2f8ccd56 h: refs/heads/master v: v3 --- [refs] | 2 +- trunk/drivers/block/drbd/drbd_int.h | 6 +++--- trunk/drivers/block/drbd/drbd_main.c | 8 ++++---- trunk/drivers/block/drbd/drbd_proc.c | 3 +-- 4 files changed, 9 insertions(+), 10 deletions(-) diff --git a/[refs] b/[refs] index aa9e13e34c26..cc44fc72c42a 100644 --- a/[refs] +++ b/[refs] @@ -1,2 +1,2 @@ --- -refs/heads/master: a8cdfd8d3bf0b6d2bbe792f5e74f54ccc6bc1d4f +refs/heads/master: 162f3ec7f026784ff2e216f19147d67e2f8ccd56 diff --git a/trunk/drivers/block/drbd/drbd_int.h b/trunk/drivers/block/drbd/drbd_int.h index 37380d2c869d..45d9a4534c40 100644 --- a/trunk/drivers/block/drbd/drbd_int.h +++ b/trunk/drivers/block/drbd/drbd_int.h @@ -552,7 +552,7 @@ struct p_delay_probe { struct delay_probe { struct list_head list; - int seq_num; + unsigned int seq_num; struct timeval time; }; @@ -1048,9 +1048,9 @@ struct drbd_conf { char congestion_reason; /* Why we where congested... */ struct list_head delay_probes; /* protected by peer_seq_lock */ int data_delay; /* Delay of packets on the data-sock behind meta-sock */ - atomic_t delay_seq; /* To generate sequence numbers of delay probes */ + unsigned int delay_seq; /* To generate sequence numbers of delay probes */ struct timeval dps_time; /* delay-probes-start-time */ - int dp_volume_last; /* send_cnt of last delay probe */ + unsigned int dp_volume_last; /* send_cnt of last delay probe */ int c_sync_rate; /* current resync rate after delay_probe magic */ }; diff --git a/trunk/drivers/block/drbd/drbd_main.c b/trunk/drivers/block/drbd/drbd_main.c index 44cc7b415ed4..3aa0add1c230 100644 --- a/trunk/drivers/block/drbd/drbd_main.c +++ b/trunk/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); diff --git a/trunk/drivers/block/drbd/drbd_proc.c b/trunk/drivers/block/drbd/drbd_proc.c index 81dea0a85933..d0f1767ea4c3 100644 --- a/trunk/drivers/block/drbd/drbd_proc.c +++ b/trunk/drivers/block/drbd/drbd_proc.c @@ -86,8 +86,7 @@ static void drbd_syncer_progress(struct drbd_conf *mdev, struct seq_file *seq) mdev->data_delay / 1000, (mdev->data_delay % 1000) / 100); else if (mdev->state.conn == C_SYNC_SOURCE) - seq_printf(seq, " delay_probe: %d\n\t", - atomic_read(&mdev->delay_seq)); + seq_printf(seq, " delay_probe: %u\n\t", mdev->delay_seq); /* see drivers/md/md.c * We do not want to overflow, so the order of operands and