if (rc)
RETURN(rc);
- switch (cmd) {
- case OBD_IOC_SYNC:
- rc = mdt_device_sync(&env, mdt);
- break;
- case OBD_IOC_SET_READONLY:
- rc = dt->dd_ops->dt_ro(&env, dt);
- break;
+ switch (cmd) {
+ case OBD_IOC_SYNC:
+ rc = mdt_device_sync(&env, mdt);
+ break;
+ case OBD_IOC_SET_READONLY:
+ rc = dt_sync(&env, dt);
+ if (rc == 0)
+ rc = dt_ro(&env, dt);
+ break;
case OBD_IOC_ABORT_RECOVERY:
CERROR("%s: Aborting recovery for device\n", mdt_obd_name(mdt));
obd->obd_abort_recovery = 1;
static inline int mdt_fail_write(const struct lu_env *env,
struct dt_device *dd, int id)
{
- if (OBD_FAIL_CHECK_ORSET(id, OBD_FAIL_ONCE)) {
- CERROR(LUSTRE_MDT_NAME": cfs_fail_loc=%x, fail write ops\n",
- id);
- return dd->dd_ops->dt_ro(env, dd);
- /* We set FAIL_ONCE because we never "un-fail" a device */
- }
-
- return 0;
+ if (OBD_FAIL_CHECK_ORSET(id, OBD_FAIL_ONCE)) {
+ CERROR(LUSTRE_MDT_NAME": cfs_fail_loc=%x, fail write ops\n",
+ id);
+ return dt_ro(env, dd);
+ /* We set FAIL_ONCE because we never "un-fail" a device */
+ }
+
+ return 0;
}
static inline struct mdt_export_data *mdt_req2med(struct ptlrpc_request *req)
#ifdef HAVE_DEV_SET_RDONLY
CERROR("*** setting %s read-only ***\n", osd_dt_dev(d)->od_svname);
+ if (sb->s_op->freeze_fs) {
+ rc = sb->s_op->freeze_fs(sb);
+ if (rc)
+ goto out;
+ }
+
if (jdev && (jdev != dev)) {
CDEBUG(D_IOCTL | D_HA, "set journal dev %lx rdonly\n",
(long)jdev);
}
CDEBUG(D_IOCTL | D_HA, "set dev %lx rdonly\n", (long)dev);
dev_set_rdonly(dev);
-#else
- CERROR("%s: %lx CANNOT BE SET READONLY: rc = %d\n",
- osd_dt_dev(d)->od_svname, (long)dev, rc);
+
+ if (sb->s_op->unfreeze_fs)
+ sb->s_op->unfreeze_fs(sb);
+
+out:
#endif
+ if (rc)
+ CERROR("%s: %lx CANNOT BE SET READONLY: rc = %d\n",
+ osd_dt_dev(d)->od_svname, (long)dev, rc);
+
RETURN(rc);
}