exofs: export_operations
implement export_operations and set in superblock.
It is now posible to export exofs via nfs
Signed-off-by: Boaz Harrosh <bharrosh@panasas.com>
diff --git a/fs/exofs/dir.c b/fs/exofs/dir.c
index 6865605..65b0c8c 100644
--- a/fs/exofs/dir.c
+++ b/fs/exofs/dir.c
@@ -381,6 +381,21 @@
return de;
}
+ino_t exofs_parent_ino(struct dentry *child)
+{
+ struct page *page;
+ struct exofs_dir_entry *de;
+ ino_t ino;
+
+ de = exofs_dotdot(child->d_inode, &page);
+ if (!de)
+ return 0;
+
+ ino = le64_to_cpu(de->inode_no);
+ exofs_put_page(page);
+ return ino;
+}
+
ino_t exofs_inode_by_name(struct inode *dir, struct dentry *dentry)
{
ino_t res = 0;