diff options
| -rw-r--r-- | libdiskfs/sync-interval.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/libdiskfs/sync-interval.c b/libdiskfs/sync-interval.c index f2cb8570..8167fc4a 100644 --- a/libdiskfs/sync-interval.c +++ b/libdiskfs/sync-interval.c @@ -112,8 +112,14 @@ periodic_sync (int interval) if (! diskfs_readonly) { rwlock_reader_lock (&diskfs_fsys_lock); - diskfs_sync_everything (0); - diskfs_set_hypermetadata (0, 0); + /* Only sync if we need to, to avoid clearing the clean flag + when it's just been set. Any other thread doing a sync + will have held the lock while it did its work. */ + if (_diskfs_diskdirty) + { + diskfs_sync_everything (0); + diskfs_set_hypermetadata (0, 0); + } rwlock_reader_unlock (&diskfs_fsys_lock); } ports_end_rpc (pi, &link); |