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-rw-r--r--libdiskfs/init-startup.c43
1 files changed, 25 insertions, 18 deletions
diff --git a/libdiskfs/init-startup.c b/libdiskfs/init-startup.c
index b78d2c89..885f7ccc 100644
--- a/libdiskfs/init-startup.c
+++ b/libdiskfs/init-startup.c
@@ -69,33 +69,40 @@ diskfs_startup_diskfs (mach_port_t bootstrap, int flags)
error_t
diskfs_S_startup_dosync (mach_port_t handle)
{
- error_t err;
+ error_t err = 0;
struct port_info *pi
= ports_lookup_port (diskfs_port_bucket, handle,
diskfs_shutdown_notification_class);
+
if (!pi)
return EOPNOTSUPP;
- /* First start a sync so that if something goes wrong
- we at least get this much done. */
- diskfs_sync_everything (0);
- diskfs_set_hypermetadata (0, 0);
+ if (! diskfs_readonly)
+ {
+ /* First start a sync so that if something goes wrong
+ we at least get this much done. */
+ diskfs_sync_everything (0);
+ diskfs_set_hypermetadata (0, 0);
- rwlock_writer_lock (&diskfs_fsys_lock);
+ rwlock_writer_lock (&diskfs_fsys_lock);
- /* Permit all the current RPC's to finish, and then suspend new ones */
- err = ports_inhibit_class_rpcs (diskfs_protid_class);
- if (err)
- return err;
-
- diskfs_sync_everything (1);
- diskfs_set_hypermetadata (1, 1);
- _diskfs_diskdirty = 0;
+ /* Permit all the current RPC's to finish, and then suspend new ones */
+ err = ports_inhibit_class_rpcs (diskfs_protid_class);
+ if (! err)
+ {
+ diskfs_sync_everything (1);
+ diskfs_set_hypermetadata (1, 1);
+ _diskfs_diskdirty = 0;
- ports_resume_class_rpcs (diskfs_protid_class);
- rwlock_writer_unlock (&diskfs_fsys_lock);
-
- return 0;
+ ports_resume_class_rpcs (diskfs_protid_class);
+ }
+
+ rwlock_writer_unlock (&diskfs_fsys_lock);
+ }
+
+ ports_port_deref (pi);
+
+ return err;
}
/* This is called when we have an ordinary environment, complete