X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=fs%2Fautofs4%2Fautofs_i.h;h=fca83e28edcf678cb8de5bb6838c7ec654c2455f;hb=034e5356a4c0401d1227393de4c756e9c414be35;hp=c7b2b8890188599e09f19c255fa9ec1014342e2e;hpb=ad34ea2cc3845ef4dcd7d12fb0fa8484734bd672;p=linux-2.6

diff --git a/fs/autofs4/autofs_i.h b/fs/autofs4/autofs_i.h
index c7b2b88901..fca83e28ed 100644
--- a/fs/autofs4/autofs_i.h
+++ b/fs/autofs4/autofs_i.h
@@ -92,6 +92,7 @@ struct autofs_wait_queue {
 
 struct autofs_sb_info {
 	u32 magic;
+	struct dentry *root;
 	struct file *pipe;
 	pid_t oz_pgrp;
 	int catatonic;
@@ -185,6 +186,19 @@ int autofs4_wait(struct autofs_sb_info *,struct dentry *, enum autofs_notify);
 int autofs4_wait_release(struct autofs_sb_info *,autofs_wqt_t,int);
 void autofs4_catatonic_mode(struct autofs_sb_info *);
 
+static inline int autofs4_follow_mount(struct vfsmount **mnt, struct dentry **dentry)
+{
+	int res = 0;
+
+	while (d_mountpoint(*dentry)) {
+		int followed = follow_down(mnt, dentry);
+		if (!followed)
+			break;
+		res = 1;
+	}
+	return res;
+}
+
 static inline int simple_positive(struct dentry *dentry)
 {
 	return dentry->d_inode && !d_unhashed(dentry);