MIPS: SEAD3: Use symbolic addresses from sead-addr.h in LED driver.
[linux-drm-fsl-dcu.git] / fs / dcache.c
index dc400fd29f4d1c3c8e2265b4275aaabe4250e1fb..c71e3732e53bcebbffca749e65b7095fd4ff6e7e 100644 (file)
@@ -1659,9 +1659,25 @@ void d_set_d_op(struct dentry *dentry, const struct dentry_operations *op)
 }
 EXPORT_SYMBOL(d_set_d_op);
 
+
+/*
+ * d_set_fallthru - Mark a dentry as falling through to a lower layer
+ * @dentry - The dentry to mark
+ *
+ * Mark a dentry as falling through to the lower layer (as set with
+ * d_pin_lower()).  This flag may be recorded on the medium.
+ */
+void d_set_fallthru(struct dentry *dentry)
+{
+       spin_lock(&dentry->d_lock);
+       dentry->d_flags |= DCACHE_FALLTHRU;
+       spin_unlock(&dentry->d_lock);
+}
+EXPORT_SYMBOL(d_set_fallthru);
+
 static unsigned d_flags_for_inode(struct inode *inode)
 {
-       unsigned add_flags = DCACHE_FILE_TYPE;
+       unsigned add_flags = DCACHE_REGULAR_TYPE;
 
        if (!inode)
                return DCACHE_MISS_TYPE;
@@ -1674,13 +1690,21 @@ static unsigned d_flags_for_inode(struct inode *inode)
                        else
                                inode->i_opflags |= IOP_LOOKUP;
                }
-       } else if (unlikely(!(inode->i_opflags & IOP_NOFOLLOW))) {
-               if (unlikely(inode->i_op->follow_link))
+               goto type_determined;
+       }
+
+       if (unlikely(!(inode->i_opflags & IOP_NOFOLLOW))) {
+               if (unlikely(inode->i_op->follow_link)) {
                        add_flags = DCACHE_SYMLINK_TYPE;
-               else
-                       inode->i_opflags |= IOP_NOFOLLOW;
+                       goto type_determined;
+               }
+               inode->i_opflags |= IOP_NOFOLLOW;
        }
 
+       if (unlikely(!S_ISREG(inode->i_mode)))
+               add_flags = DCACHE_SPECIAL_TYPE;
+
+type_determined:
        if (unlikely(IS_AUTOMOUNT(inode)))
                add_flags |= DCACHE_NEED_AUTOMOUNT;
        return add_flags;
@@ -1691,7 +1715,8 @@ static void __d_instantiate(struct dentry *dentry, struct inode *inode)
        unsigned add_flags = d_flags_for_inode(inode);
 
        spin_lock(&dentry->d_lock);
-       __d_set_type(dentry, add_flags);
+       dentry->d_flags &= ~(DCACHE_ENTRY_TYPE | DCACHE_FALLTHRU);
+       dentry->d_flags |= add_flags;
        if (inode)
                hlist_add_head(&dentry->d_u.d_alias, &inode->i_dentry);
        dentry->d_inode = inode;