Hi, This is just a thought that suddenly struck me, I figure I'll get it out so I don't forget it.
On Fri, Jul 17, 2009 at 01:58:01PM +0300, Sergiu Ivanov wrote: > +/* Shutdown the filesystem; flags are as for fsys_goaway. */ > +error_t > +netfs_shutdown (int flags) > +{ > + int nports; > + int err; > + > + if ((flags & FSYS_GOAWAY_UNLINK) > + && S_ISDIR (netfs_root_node->nn_stat.st_mode)) > + return EBUSY; > + > + /* Permit all current RPC's to finish, and then suspend any new ones. */ > + err = ports_inhibit_class_rpcs (netfs_protid_class); > + if (err) > + return err; > + > + nports = ports_count_class (netfs_protid_class); > + if (((flags & FSYS_GOAWAY_FORCE) == 0) && nports) > + /* There are outstanding user ports; resume operations. */ > + { > + ports_enable_class (netfs_protid_class); > + ports_resume_class_rpcs (netfs_protid_class); > + > + return EBUSY; > + } > + > + if (!(flags & FSYS_GOAWAY_NOSYNC)) > + { > + err = netfs_attempt_syncfs (0, flags); > + if (err) > + return err; > + } > + > + /* If `shutting_down` is set, unionfs is going away because the > + mounee has just died, so we don't need to attempt to shut it > + down. */ > + if (!shutting_down) > + { > + shutting_down = 1; > + err = fsys_goaway (mountee_control, flags); > + if (err) > + return err; > + } > + > return 0; > } Shouldn't you resume operations if fsys_goaway returns EBUSY? Regards, Fredrik