diff options
Diffstat (limited to 'drivers/md/bcache/sysfs.c')
| -rw-r--r-- | drivers/md/bcache/sysfs.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/md/bcache/sysfs.c b/drivers/md/bcache/sysfs.c index 78cd7bd50fdd..55673508628f 100644 --- a/drivers/md/bcache/sysfs.c +++ b/drivers/md/bcache/sysfs.c @@ -309,7 +309,8 @@ STORE(bch_cached_dev) bch_writeback_queue(dc); if (attr == &sysfs_writeback_percent) - schedule_delayed_work(&dc->writeback_rate_update, + if (!test_and_set_bit(BCACHE_DEV_WB_RUNNING, &dc->disk.flags)) + schedule_delayed_work(&dc->writeback_rate_update, dc->writeback_rate_update_seconds * HZ); mutex_unlock(&bch_register_lock); |