diff options
Diffstat (limited to 'libdiskfs')
| -rw-r--r-- | libdiskfs/init-startup.c | 43 |
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 |