ARM: 8713/1: NOMMU: Support MPU in XIP configuration

[sfrench/cifs-2.6.git] / include / linux / dcache.h

diff --git a/include/linux/dcache.h b/include/linux/dcache.h
index aae1cdb76851308dd825e1558cf007a3722dad73..ed1a7cf6923af31a3c08a591ca74444b6771e71d 100644 (file)
--- a/include/linux/dcache.h
+++ b/include/linux/dcache.h
@@ -147,7 +147,7 @@ struct dentry_operations {
        struct vfsmount *(*d_automount)(struct path *);
        int (*d_manage)(const struct path *, bool);
        struct dentry *(*d_real)(struct dentry *, const struct inode *,
-                                unsigned int);
+                                unsigned int, unsigned int);
 } ____cacheline_aligned;
 
 /*
@@ -562,11 +562,15 @@ static inline struct dentry *d_backing_dentry(struct dentry *upper)
        return upper;
 }
 
+/* d_real() flags */
+#define D_REAL_UPPER   0x2     /* return upper dentry or NULL if non-upper */
+
 /**
  * d_real - Return the real dentry
  * @dentry: the dentry to query
  * @inode: inode to select the dentry from multiple layers (can be NULL)
- * @flags: open flags to control copy-up behavior
+ * @open_flags: open flags to control copy-up behavior
+ * @flags: flags to control what is returned by this function
  *
  * If dentry is on a union/overlay, then return the underlying, real dentry.
  * Otherwise return the dentry itself.
@@ -575,10 +579,10 @@ static inline struct dentry *d_backing_dentry(struct dentry *upper)
  */
 static inline struct dentry *d_real(struct dentry *dentry,
                                    const struct inode *inode,
-                                   unsigned int flags)
+                                   unsigned int open_flags, unsigned int flags)
 {
        if (unlikely(dentry->d_flags & DCACHE_OP_REAL))
-               return dentry->d_op->d_real(dentry, inode, flags);
+               return dentry->d_op->d_real(dentry, inode, open_flags, flags);
        else
                return dentry;
 }
@@ -593,7 +597,7 @@ static inline struct dentry *d_real(struct dentry *dentry,
 static inline struct inode *d_real_inode(const struct dentry *dentry)
 {
        /* This usage of d_real() results in const dentry */
-       return d_backing_inode(d_real((struct dentry *) dentry, NULL, 0));
+       return d_backing_inode(d_real((struct dentry *) dentry, NULL, 0, 0));
 }
 
 struct name_snapshot {