diff options
Diffstat (limited to 'drivers/block/drbd/drbd_proc.c')
| -rw-r--r-- | drivers/block/drbd/drbd_proc.c | 39 |
1 files changed, 16 insertions, 23 deletions
diff --git a/drivers/block/drbd/drbd_proc.c b/drivers/block/drbd/drbd_proc.c index d0f1767ea4c3..ad325c5d0ce1 100644 --- a/drivers/block/drbd/drbd_proc.c +++ b/drivers/block/drbd/drbd_proc.c @@ -57,6 +57,7 @@ static void drbd_syncer_progress(struct drbd_conf *mdev, struct seq_file *seq) unsigned long db, dt, dbdt, rt, rs_left; unsigned int res; int i, x, y; + int stalled = 0; drbd_get_syncer_progress(mdev, &rs_left, &res); @@ -73,21 +74,14 @@ static void drbd_syncer_progress(struct drbd_conf *mdev, struct seq_file *seq) seq_printf(seq, "sync'ed:%3u.%u%% ", res / 10, res % 10); /* if more than 1 GB display in MB */ if (mdev->rs_total > 0x100000L) - seq_printf(seq, "(%lu/%lu)M", + seq_printf(seq, "(%lu/%lu)M\n\t", (unsigned long) Bit2KB(rs_left >> 10), (unsigned long) Bit2KB(mdev->rs_total >> 10)); else - seq_printf(seq, "(%lu/%lu)K", + seq_printf(seq, "(%lu/%lu)K\n\t", (unsigned long) Bit2KB(rs_left), (unsigned long) Bit2KB(mdev->rs_total)); - if (mdev->state.conn == C_SYNC_TARGET) - seq_printf(seq, " queue_delay: %d.%d ms\n\t", - mdev->data_delay / 1000, - (mdev->data_delay % 1000) / 100); - else if (mdev->state.conn == C_SYNC_SOURCE) - 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 * the * 100 / 100 trick are important. We do a +1 to be @@ -97,18 +91,17 @@ static void drbd_syncer_progress(struct drbd_conf *mdev, struct seq_file *seq) * db: blocks written from mark until now * rt: remaining time */ - dt = (jiffies - mdev->rs_mark_time) / HZ; - - if (dt > 20) { - /* if we made no update to rs_mark_time for too long, - * we are stalled. show that. */ - seq_printf(seq, "stalled\n"); - return; - } + /* Rolling marks. last_mark+1 may just now be modified. last_mark+2 is + * at least (DRBD_SYNC_MARKS-2)*DRBD_SYNC_MARK_STEP old, and has at + * least DRBD_SYNC_MARK_STEP time before it will be modified. */ + i = (mdev->rs_last_mark + 2) % DRBD_SYNC_MARKS; + dt = (jiffies - mdev->rs_mark_time[i]) / HZ; + if (dt > (DRBD_SYNC_MARK_STEP * DRBD_SYNC_MARKS)) + stalled = 1; if (!dt) dt++; - db = mdev->rs_mark_left - rs_left; + db = mdev->rs_mark_left[i] - rs_left; rt = (dt * (rs_left / (db/100+1)))/100; /* seconds */ seq_printf(seq, "finish: %lu:%02lu:%02lu", @@ -125,7 +118,7 @@ static void drbd_syncer_progress(struct drbd_conf *mdev, struct seq_file *seq) /* mean speed since syncer started * we do account for PausedSync periods */ dt = (jiffies - mdev->rs_start - mdev->rs_paused) / HZ; - if (dt <= 0) + if (dt == 0) dt = 1; db = mdev->rs_total - rs_left; dbdt = Bit2KB(db/dt); @@ -142,8 +135,7 @@ static void drbd_syncer_progress(struct drbd_conf *mdev, struct seq_file *seq) else seq_printf(seq, " want: %d", mdev->c_sync_rate); } - - seq_printf(seq, " K/sec\n"); + seq_printf(seq, " K/sec%s\n", stalled ? " (stalled)" : ""); } static void resync_dump_detail(struct seq_file *seq, struct lc_element *e) @@ -211,7 +203,7 @@ static int drbd_seq_show(struct seq_file *seq, void *v) seq_printf(seq, "%2d: cs:Unconfigured\n", i); } else { seq_printf(seq, - "%2d: cs:%s ro:%s/%s ds:%s/%s %c %c%c%c%c%c\n" + "%2d: cs:%s ro:%s/%s ds:%s/%s %c %c%c%c%c%c%c\n" " ns:%u nr:%u dw:%u dr:%u al:%u bm:%u " "lo:%d pe:%d ua:%d ap:%d ep:%d wo:%c", i, sn, @@ -221,11 +213,12 @@ static int drbd_seq_show(struct seq_file *seq, void *v) drbd_disk_str(mdev->state.pdsk), (mdev->net_conf == NULL ? ' ' : (mdev->net_conf->wire_protocol - DRBD_PROT_A+'A')), - mdev->state.susp ? 's' : 'r', + is_susp(mdev->state) ? 's' : 'r', mdev->state.aftr_isp ? 'a' : '-', mdev->state.peer_isp ? 'p' : '-', mdev->state.user_isp ? 'u' : '-', mdev->congestion_reason ?: '-', + test_bit(AL_SUSPENDED, &mdev->flags) ? 's' : '-', mdev->send_cnt/2, mdev->recv_cnt/2, mdev->writ_cnt/2, |