.id = LAYOUT_OSD2_OBJECTS,
.name = "LAYOUT_OSD2_OBJECTS",
+ .alloc_layout_hdr = objlayout_alloc_layout_hdr,
+ .free_layout_hdr = objlayout_free_layout_hdr,
+
.alloc_lseg = objlayout_alloc_lseg,
.free_lseg = objlayout_free_lseg,
#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.
*/
struct pnfs_layout_segment *
#include "../pnfs.h"
/*
+ * per-inode layout
+ */
+struct objlayout {
+ struct pnfs_layout_hdr pnfs_layout;
+};
+
+static inline struct objlayout *
+OBJLAYOUT(struct pnfs_layout_hdr *lo)
+{
+ return container_of(lo, struct objlayout, pnfs_layout);
+}
+
+/*
* Raid engine I/O API
*/
extern int objio_alloc_lseg(struct pnfs_layout_segment **outp,
/*
* exported generic objects function vectors
*/
+
+extern struct pnfs_layout_hdr *objlayout_alloc_layout_hdr(struct inode *, gfp_t gfp_flags);
+extern void objlayout_free_layout_hdr(struct pnfs_layout_hdr *);
+
extern struct pnfs_layout_segment *objlayout_alloc_lseg(
struct pnfs_layout_hdr *,
struct nfs4_layoutget_res *,