A heartbeat region becomes live (or active) after a fixed number of (steady) iterations.
Signed-off-by: Sunil Mushran <[email protected]> --- fs/ocfs2/cluster/heartbeat.c | 9 ++++++++- 1 files changed, 8 insertions(+), 1 deletions(-) diff --git a/fs/ocfs2/cluster/heartbeat.c b/fs/ocfs2/cluster/heartbeat.c index 57c906b..9339c82 100644 --- a/fs/ocfs2/cluster/heartbeat.c +++ b/fs/ocfs2/cluster/heartbeat.c @@ -65,8 +65,10 @@ static DECLARE_WAIT_QUEUE_HEAD(o2hb_steady_queue); /* * In global heartbeat, we maintain a series of region bitmaps. * - o2hb_region_bitmap allows us to limit the region number to max region. + * - o2hb_live_region_bitmap tracks live regions (seen steady iterations). */ static unsigned long o2hb_region_bitmap[BITS_TO_LONGS(O2NM_MAX_REGIONS)]; +static unsigned long o2hb_live_region_bitmap[BITS_TO_LONGS(O2NM_MAX_REGIONS)]; #define O2HB_DB_TYPE_LIVENODES 0 struct o2hb_debug_buf { @@ -1135,6 +1137,7 @@ int o2hb_init(void) memset(o2hb_live_node_bitmap, 0, sizeof(o2hb_live_node_bitmap)); memset(o2hb_region_bitmap, 0, sizeof(o2hb_region_bitmap)); + memset(o2hb_live_region_bitmap, 0, sizeof(o2hb_live_region_bitmap)); return o2hb_debug_init(); } @@ -1563,6 +1566,8 @@ static ssize_t o2hb_region_dev_write(struct o2hb_region *reg, /* Ok, we were woken. Make sure it wasn't by drop_item() */ spin_lock(&o2hb_live_lock); hb_task = reg->hr_task; + if (o2hb_global_heartbeat_active()) + set_bit(reg->hr_region_num, o2hb_live_region_bitmap); spin_unlock(&o2hb_live_lock); if (hb_task) @@ -1751,8 +1756,10 @@ static void o2hb_heartbeat_group_drop_item(struct config_group *group, /* stop the thread when the user removes the region dir */ spin_lock(&o2hb_live_lock); - if (o2hb_global_heartbeat_active()) + if (o2hb_global_heartbeat_active()) { clear_bit(reg->hr_region_num, o2hb_region_bitmap); + clear_bit(reg->hr_region_num, o2hb_live_region_bitmap); + } hb_task = reg->hr_task; reg->hr_task = NULL; spin_unlock(&o2hb_live_lock); -- 1.7.0.4 _______________________________________________ Ocfs2-devel mailing list [email protected] http://oss.oracle.com/mailman/listinfo/ocfs2-devel
