diff options
| -rw-r--r-- | daemons/dmfilemapd/dmfilemapd.c | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/daemons/dmfilemapd/dmfilemapd.c b/daemons/dmfilemapd/dmfilemapd.c index 0dbdefc5b..43ae9705c 100644 --- a/daemons/dmfilemapd/dmfilemapd.c +++ b/daemons/dmfilemapd/dmfilemapd.c @@ -686,7 +686,10 @@ static int _update_regions(struct dm_stats *dms, struct filemap_monitor *fm) for (region = regions; *region != DM_STATS_REGIONS_ALL; region++) nr_regions++; - if (regions[0] != fm->group_id) { + if (!nr_regions) + log_warn("File contains no extents: exiting."); + + if (nr_regions && (regions[0] != fm->group_id)) { log_warn("group_id changed from " FMTu64 " to " FMTu64, fm->group_id, regions[0]); fm->group_id = regions[0]; @@ -753,17 +756,16 @@ static int _dmfilemapd(struct filemap_monitor *fm) if ((check = _filemap_fd_check_changed(fm)) < 0) goto bad; - if (!check) - goto wait; - - if (!_update_regions(dms, fm)) + if (check && !_update_regions(dms, fm)) goto bad; + running = !!fm->nr_regions; + if (!running) + continue; + wait: _filemap_monitor_wait(FILEMAPD_WAIT_USECS); - running = !!fm->nr_regions; - /* mode=inode termination condions */ if (fm->mode == DM_FILEMAPD_FOLLOW_INODE) { if (!_filemap_monitor_check_file_unlinked(fm)) |