X-Git-Url: https://git.whamcloud.com/?p=fs%2Flustre-release.git;a=blobdiff_plain;f=lustre%2Finclude%2Flustre_export.h;h=8dec5f2826ac71a8cf7dab149c9214942acc861f;hp=a0740c71a606cdbbac357c1b14d6b2beb40ccf22;hb=0e2f0916f338c93c0944e7ff1d6240caa3e85cfc;hpb=2c7a41a5c5958d36fa839ea91f3e63375cbd90fc

diff --git a/lustre/include/lustre_export.h b/lustre/include/lustre_export.h
index a0740c7..8dec5f2 100644
--- a/lustre/include/lustre_export.h
+++ b/lustre/include/lustre_export.h
@@ -202,7 +202,10 @@ struct obd_export {
         cfs_list_t                exp_obd_chain_timed;
         /** Obd device of this export */
         struct obd_device        *exp_obd;
-        /** "reverse" import to send requests (e.g. from ldlm) back to client */
+	/**
+	 * "reverse" import to send requests (e.g. from ldlm) back to client
+	 * exp_lock protect its change
+	 */
         struct obd_import        *exp_imp_reverse;
         struct nid_stat          *exp_nid_stats;
         struct lprocfs_stats     *exp_md_stats;
@@ -226,7 +229,10 @@ struct obd_export {
         cfs_time_t                exp_last_request_time;
         /** On replay all requests waiting for replay are linked here */
         cfs_list_t                exp_req_replay_queue;
-        /** protects exp_flags and exp_outstanding_replies */
+	/**
+	 * protects exp_flags, exp_outstanding_replies and the change
+	 * of exp_imp_reverse
+	 */
         cfs_spinlock_t            exp_lock;
         /** Compatibility flags for this export */
         __u64                     exp_connect_flags;
@@ -247,7 +253,10 @@ struct obd_export {
                                   exp_libclient:1, /* liblustre client? */
                                   /* client timed out and tried to reconnect,
                                    * but couldn't because of active rpcs */
-                                  exp_abort_active_req:1;
+				  exp_abort_active_req:1,
+				  /* if to swap nidtbl entries for 2.2 clients.
+				   * Only used by the MGS to fix LU-1644. */
+				  exp_need_mne_swab:1;
         /* also protected by exp_lock */
         enum lustre_sec_part      exp_sp_peer;
         struct sptlrpc_flavor     exp_flvr;             /* current */