diff options
| author | Philipp Reisner <philipp.reisner@linbit.com> | 2012-10-19 14:37:47 +0200 |
|---|---|---|
| committer | Philipp Reisner <philipp.reisner@linbit.com> | 2012-11-09 14:11:43 +0100 |
| commit | 328e0f125bf41f4f33f684db22015f92cb44fe56 (patch) | |
| tree | 364b7292db9d7072130080589b579e3fdadf23e6 /drivers/block | |
| parent | 518a4d53b2985451a08cb4e5b79deacfe151a38a (diff) | |
| download | blackbird-op-linux-328e0f125bf41f4f33f684db22015f92cb44fe56.tar.gz blackbird-op-linux-328e0f125bf41f4f33f684db22015f92cb44fe56.zip | |
drbd: Broadcast sync progress no more often than once per second
Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com>
Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
Diffstat (limited to 'drivers/block')
| -rw-r--r-- | drivers/block/drbd/drbd_int.h | 1 | ||||
| -rw-r--r-- | drivers/block/drbd/drbd_nl.c | 6 | ||||
| -rw-r--r-- | drivers/block/drbd/drbd_worker.c | 4 |
3 files changed, 11 insertions, 0 deletions
diff --git a/drivers/block/drbd/drbd_int.h b/drivers/block/drbd/drbd_int.h index 057ffed6eb7e..784f4eb2ed61 100644 --- a/drivers/block/drbd/drbd_int.h +++ b/drivers/block/drbd/drbd_int.h @@ -965,6 +965,7 @@ struct drbd_conf { unsigned long rs_mark_time[DRBD_SYNC_MARKS]; /* current index into rs_mark_{left,time} */ int rs_last_mark; + unsigned long rs_last_bcast; /* [unit jiffies] */ /* where does the admin want us to start? (sector) */ sector_t ov_start_sector; diff --git a/drivers/block/drbd/drbd_nl.c b/drivers/block/drbd/drbd_nl.c index 298dd3e35e02..d339a2754a85 100644 --- a/drivers/block/drbd/drbd_nl.c +++ b/drivers/block/drbd/drbd_nl.c @@ -3295,6 +3295,12 @@ void drbd_bcast_event(struct drbd_conf *mdev, const struct sib_info *sib) unsigned seq; int err = -ENOMEM; + if (sib->sib_reason == SIB_SYNC_PROGRESS && + time_after(jiffies, mdev->rs_last_bcast + HZ)) + mdev->rs_last_bcast = jiffies; + else + return; + seq = atomic_inc_return(&drbd_genl_seq); msg = genlmsg_new(NLMSG_GOODSIZE, GFP_NOIO); if (!msg) diff --git a/drivers/block/drbd/drbd_worker.c b/drivers/block/drbd/drbd_worker.c index 64a7305c678a..424dc7bdf9b7 100644 --- a/drivers/block/drbd/drbd_worker.c +++ b/drivers/block/drbd/drbd_worker.c @@ -1696,6 +1696,10 @@ void drbd_start_resync(struct drbd_conf *mdev, enum drbd_conns side) write_unlock_irq(&global_state_lock); if (r == SS_SUCCESS) { + /* reset rs_last_bcast when a resync or verify is started, + * to deal with potential jiffies wrap. */ + mdev->rs_last_bcast = jiffies - HZ; + dev_info(DEV, "Began resync as %s (will sync %lu KB [%lu bits set]).\n", drbd_conn_str(ns.conn), (unsigned long) mdev->rs_total << (BM_BLOCK_SHIFT-10), |
