pnfs-obj: define per-inode private structure

[pandora-kernel.git] / fs / nfs / objlayout / objlayout.c

diff --git a/fs/nfs/objlayout/objlayout.c b/fs/nfs/objlayout/objlayout.c
index 10e5fca..f14b4da 100644 (file)
--- a/fs/nfs/objlayout/objlayout.c
+++ b/fs/nfs/objlayout/objlayout.c
@@ -41,6 +41,32 @@
 #include "objlayout.h"
 
 #define NFSDBG_FACILITY         NFSDBG_PNFS_LD
+/*
+ * Create a objlayout layout structure for the given inode and return it.
+ */
+struct pnfs_layout_hdr *
+objlayout_alloc_layout_hdr(struct inode *inode, gfp_t gfp_flags)
+{
+       struct objlayout *objlay;
+
+       objlay = kzalloc(sizeof(struct objlayout), gfp_flags);
+       dprintk("%s: Return %p\n", __func__, objlay);
+       return &objlay->pnfs_layout;
+}
+
+/*
+ * Free an objlayout layout structure
+ */
+void
+objlayout_free_layout_hdr(struct pnfs_layout_hdr *lo)
+{
+       struct objlayout *objlay = OBJLAYOUT(lo);
+
+       dprintk("%s: objlay %p\n", __func__, objlay);
+
+       kfree(objlay);
+}
+
 /*
  * Unmarshall layout and store it in pnfslay.
  */