1 files changed, 12 insertions, 0 deletions

diff --git a/fs/nfsd/vfs.c b/fs/nfsd/vfs.c
index 5c97d0ea9e22..f2684e57cf22 100644
--- a/fs/nfsd/vfs.c
+++ b/fs/nfsd/vfs.c
@@ -1797,6 +1797,18 @@ nfsd_statfs(struct svc_rqst *rqstp, struct svc_fh *fhp, struct kstatfs *stat)
         return err;
 }
 
+static inline int EX_RDONLY(struct svc_export *exp, struct svc_rqst *rqstp)
+{
+        struct exp_flavor_info *f;
+        struct exp_flavor_info *end = exp->ex_flavors + exp->ex_nflavors;
+
+        for (f = exp->ex_flavors; f < end; f++) {
+                if (f->pseudoflavor == rqstp->rq_flavor)
+                        return f->flags & NFSEXP_READONLY;
+        }
+        return exp->ex_flags & NFSEXP_READONLY;
+}
+
 /*
  * Check for a user's access permissions to this inode.
  */