1 files changed, 1 insertions, 0 deletions

diff --git a/fs/sysv/sysv.h b/fs/sysv/sysv.h
index 0bc35fdc58e..69d488986cc 100644
--- a/fs/sysv/sysv.h
+++ b/fs/sysv/sysv.h
@@ -58,6 +58,7 @@ struct sysv_sb_info {
         u32            s_nzones;        /* same as s_sbd->s_fsize */
         u16            s_namelen;       /* max length of dir entry */
         int            s_forced_ro;
+        struct mutex s_lock;
 };
 
 /*