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drbd: A fixes to the new resync speed code 

* Mention P_DELAY_PROBE in the packet naming array
* Do not corrupt the mdev->data.work list in case the timer goes
  off before delay_probe_work got handled by the worker
* Do not mod_timer() twice for a single delay_probe pair

Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
This commit is contained in:
Philipp Reisner 2010-05-05 20:53:33 +02:00
parent eedf386ae9
commit a8cdfd8d3b
2 changed files with 6 additions and 4 deletions
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1
drivers/block/drbd/drbd_int.h
View File

@ -268,6 +268,7 @@ static inline const char *cmdname(enum drbd_packets cmd)
[P_CSUM_RS_REQUEST] = "CsumRSRequest",
[P_RS_IS_IN_SYNC] = "CsumRSIsInSync",
[P_COMPRESSED_BITMAP] = "CBitmap",
[P_DELAY_PROBE] = "DelayProbe",
[P_MAX_CMD] = NULL,
};

9
drivers/block/drbd/drbd_main.c
View File

@ -2207,9 +2207,6 @@ static int drbd_send_delay_probe(struct drbd_conf *mdev, struct drbd_socket *ds)
}
mutex_unlock(&ds->mutex);
mdev->dp_volume_last = mdev->send_cnt;
mod_timer(&mdev->delay_probe_timer, jiffies + mdev->sync_conf.dp_interval * HZ / 10);
return ok;
}
@ -2221,6 +2218,9 @@ static int drbd_send_delay_probes(struct drbd_conf *mdev)
ok = drbd_send_delay_probe(mdev, &mdev->meta);
ok = ok && drbd_send_delay_probe(mdev, &mdev->data);
mdev->dp_volume_last = mdev->send_cnt;
mod_timer(&mdev->delay_probe_timer, jiffies + mdev->sync_conf.dp_interval * HZ / 10);
return ok;
}
@ -2374,7 +2374,8 @@ static void delay_probe_timer_fn(unsigned long data)
{
struct drbd_conf *mdev = (struct drbd_conf *) data;
drbd_queue_work(&mdev->data.work, &mdev->delay_probe_work);
if (list_empty(&mdev->delay_probe_work.list))
drbd_queue_work(&mdev->data.work, &mdev->delay_probe_work);
}
/* Used to send write requests