LU-12719 obdclass: serialize lwp list access

[fs/lustre-release.git] / lustre / include / lustre_disk.h

diff --git a/lustre/include/lustre_disk.h b/lustre/include/lustre_disk.h
index b4d509f..ea6c498 100644 (file)
--- a/lustre/include/lustre_disk.h
+++ b/lustre/include/lustre_disk.h
@@ -131,8 +131,9 @@ struct lustre_sb_info {
        char                      lsi_fstype[16];
        struct backing_dev_info   lsi_bdi;     /* each client mountpoint needs
                                                  own backing_dev_info */
+       /* protect lsi_lwp_list */
+       struct mutex              lsi_lwp_mutex;
        struct list_head          lsi_lwp_list;
-       spinlock_t                lsi_lwp_lock;
        unsigned long             lsi_lwp_started:1,
                                  lsi_server_started:1;
 };