knfsd: clean up EX_RDONLY

Share a little common code, reverse the arguments for consistency, drop the
unnecessary "inline", and lowercase the name.

Signed-off-by: "J. Bruce Fields" <bfields@citi.umich.edu>
Acked-by: Neil Brown <neilb@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/fs/nfsd/vfs.c b/fs/nfsd/vfs.c
index f2684e5..ee96a89 100644
--- a/fs/nfsd/vfs.c
+++ b/fs/nfsd/vfs.c
@@ -1797,16 +1797,9 @@
 	return err;
 }
 
-static inline int EX_RDONLY(struct svc_export *exp, struct svc_rqst *rqstp)
+static int exp_rdonly(struct svc_rqst *rqstp, struct svc_export *exp)
 {
-	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;
+	return nfsexp_flags(rqstp, exp) & NFSEXP_READONLY;
 }
 
 /*
@@ -1845,7 +1838,7 @@
 	 */
 	if (!(acc & MAY_LOCAL_ACCESS))
 		if (acc & (MAY_WRITE | MAY_SATTR | MAY_TRUNC)) {
-			if (EX_RDONLY(exp, rqstp) || IS_RDONLY(inode))
+			if (exp_rdonly(rqstp, exp) || IS_RDONLY(inode))
 				return nfserr_rofs;
 			if (/* (acc & MAY_WRITE) && */ IS_IMMUTABLE(inode))
 				return nfserr_perm;