1 files changed, 15 insertions, 1 deletions

diff --git a/fs/xfs/xfs_vfsops.c b/fs/xfs/xfs_vfsops.c
index b8ce6cad2b71..d4b9545c2b5c 100644
--- a/fs/xfs/xfs_vfsops.c
+++ b/fs/xfs/xfs_vfsops.c
@@ -1621,6 +1621,10 @@ xfs_vget(
 #define MNTOPT_SWIDTH   "swidth"        /* data volume stripe width */
 #define MNTOPT_NOUUID   "nouuid"        /* ignore filesystem UUID */
 #define MNTOPT_MTPT     "mtpt"          /* filesystem mount point */
+#define MNTOPT_GRPID    "grpid"         /* group-ID from parent directory */
+#define MNTOPT_NOGRPID  "nogrpid"       /* group-ID from current process */
+#define MNTOPT_BSDGROUPS    "bsdgroups"    /* group-ID from parent directory */
+#define MNTOPT_SYSVGROUPS   "sysvgroups"   /* group-ID from current process */
 #define MNTOPT_ALLOCSIZE    "allocsize"    /* preferred allocation size */
 #define MNTOPT_IHASHSIZE    "ihashsize"    /* size of inode hash table */
 #define MNTOPT_NORECOVERY   "norecovery"   /* don't run XFS recovery */
@@ -1741,6 +1745,12 @@ xfs_parseargs(
                         }
                         args->flags |= XFSMNT_IHASHSIZE;
                         args->ihashsize = simple_strtoul(value, &eov, 10);
+                } else if (!strcmp(this_char, MNTOPT_GRPID) ||
+                           !strcmp(this_char, MNTOPT_BSDGROUPS)) {
+                        vfsp->vfs_flag |= VFS_GRPID;
+                } else if (!strcmp(this_char, MNTOPT_NOGRPID) ||
+                           !strcmp(this_char, MNTOPT_SYSVGROUPS)) {
+                        vfsp->vfs_flag &= ~VFS_GRPID;
                 } else if (!strcmp(this_char, MNTOPT_WSYNC)) {
                         args->flags |= XFSMNT_WSYNC;
                 } else if (!strcmp(this_char, MNTOPT_OSYNCISOSYNC)) {
@@ -1862,6 +1872,7 @@ xfs_showargs(
         };
         struct proc_xfs_info    *xfs_infop;
         struct xfs_mount        *mp = XFS_BHVTOM(bhv);
+        struct vfs              *vfsp = XFS_MTOVFS(mp);
 
         for (xfs_infop = xfs_info; xfs_infop->flag; xfs_infop++) {
                 if (mp->m_flags & xfs_infop->flag)
@@ -1898,7 +1909,10 @@ xfs_showargs(
 
         if (!(mp->m_flags & XFS_MOUNT_32BITINOOPT))
                 seq_printf(m, "," MNTOPT_64BITINODE);
-        
+
+        if (vfsp->vfs_flag & VFS_GRPID)
+                seq_printf(m, "," MNTOPT_GRPID);
+
         return 0;
 }