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Merge of 2.6.x-xfs-melb:linux:27935a by kenmcd.

  Reinstate delete file.

Definitions of xfs_get_inode for ioops.
Definitions for behaviour module support.

--- /home/chatz/isms/linux-2.6.19/fs/xfs/linux-2.6/xfs_vfs.h	2006-11-30 08:57:37.000000000 +1100
+++ linux-2.6/xfs_vfs.h	2006-12-15 22:52:15.774622459 +1100
@@ -119,6 +119,7 @@
 				struct bhv_vnode *, bhv_desc_t *, int);
 typedef void	(*vfs_force_shutdown_t)(bhv_desc_t *, int, char *, int);
 typedef void	(*vfs_freeze_t)(bhv_desc_t *);
+typedef	struct inode * (*vfs_get_inode_t)(bhv_desc_t *, xfs_ino_t, int);
 
 typedef struct bhv_vfsops {
 	bhv_position_t		vf_position;	/* behavior chain position */
@@ -133,6 +134,7 @@
 	vfs_vget_t		vfs_vget;	/* get vnode from fid */
 	vfs_dmapiops_t		vfs_dmapiops;	/* data migration */
 	vfs_quotactl_t		vfs_quotactl;	/* disk quota */
+	vfs_get_inode_t		vfs_get_inode;	/* bhv specific iget */
 	vfs_init_vnode_t	vfs_init_vnode;	/* initialize a new vnode */
 	vfs_force_shutdown_t	vfs_force_shutdown;	/* crash and burn */
 	vfs_freeze_t		vfs_freeze;	/* freeze fs for snapshot */
@@ -153,6 +155,7 @@
 #define bhv_vfs_vget(v, vpp,fidp)	vfs_vget(VFSHEAD(v), vpp,fidp)
 #define bhv_vfs_dmapiops(v, p)		vfs_dmapiops(VFSHEAD(v), p)
 #define bhv_vfs_quotactl(v, c,id,p)	vfs_quotactl(VFSHEAD(v), c,id,p)
+#define bhv_vfs_get_inode(v, ino, fl)	vfs_get_inode(VFSHEAD(v), ino,fl)
 #define bhv_vfs_init_vnode(v, vp,b,ul)	vfs_init_vnode(VFSHEAD(v), vp,b,ul)
 #define bhv_vfs_force_shutdown(v,u,f,l)	vfs_force_shutdown(VFSHEAD(v), u,f,l)
 #define bhv_vfs_freeze(v)		vfs_freeze(VFSHEAD(v))
@@ -171,6 +174,7 @@
 #define bhv_next_vfs_vget(b, vpp,fidp)		vfs_vget(b, vpp,fidp)
 #define bhv_next_vfs_dmapiops(b, p)		vfs_dmapiops(b, p)
 #define bhv_next_vfs_quotactl(b, c,id,p)	vfs_quotactl(b, c,id,p)
+#define bhv_next_vfs_get_inode(b, ino,fl)	vfs_get_inode(b, ino,fl)
 #define bhv_next_vfs_init_vnode(b, vp,b2,ul)	vfs_init_vnode(b, vp,b2,ul)
 #define bhv_next_force_shutdown(b, fl,f,l)	vfs_force_shutdown(b, fl,f,l)
 #define bhv_next_vfs_freeze(b)			vfs_freeze(b)
@@ -186,18 +190,32 @@
 extern int vfs_vget(bhv_desc_t *, struct bhv_vnode **, struct fid *);
 extern int vfs_dmapiops(bhv_desc_t *, caddr_t);
 extern int vfs_quotactl(bhv_desc_t *, int, int, caddr_t);
+extern struct inode *vfs_get_inode(bhv_desc_t *, xfs_ino_t, int);
 extern void vfs_init_vnode(bhv_desc_t *, struct bhv_vnode *, bhv_desc_t *, int);
 extern void vfs_force_shutdown(bhv_desc_t *, int, char *, int);
 extern void vfs_freeze(bhv_desc_t *);
 
 #define vfs_test_for_freeze(vfs)	((vfs)->vfs_super->s_frozen)
 #define vfs_wait_for_freeze(vfs,l)	vfs_check_frozen((vfs)->vfs_super, (l))
- 
+
+#define XFS_DMOPS		"xfs_dm_operations"	/* Data Migration */
+#define XFS_QMOPS		"xfs_qm_operations"	/* Quota Manager  */
+#define XFS_IOOPS		"xfs_io_operations"	/* I/O subsystem  */
+#define XFS_DM_MODULE		"xfs_dmapi"
+#define XFS_QM_MODULE		"xfs_quota"
+#define XFS_IO_MODULE		"xfs_ioops"
+
 typedef struct bhv_module_vfsops {
 	struct bhv_vfsops	bhv_common;
 	void *			bhv_custom;
 } bhv_module_vfsops_t;
 
+typedef struct bhv_module {
+	bhv_desc_t		bm_desc;
+	const char *		bm_name;
+	bhv_module_vfsops_t *	bm_ops;
+} bhv_module_t;
+
 #define vfs_bhv_lookup(v, id)	(bhv_lookup_range(&(v)->vfs_bh, (id), (id)))
 #define vfs_bhv_custom(b)	(((bhv_module_vfsops_t*)BHV_OPS(b))->bhv_custom)
 #define vfs_bhv_set_custom(b,o)	((b)->bhv_custom = (void *)(o))
@@ -208,8 +226,9 @@
 extern void vfs_deallocate(bhv_vfs_t *);
 extern void vfs_insertbhv(bhv_vfs_t *, bhv_desc_t *, bhv_vfsops_t *, void *);
 
-extern void vfs_insertops(bhv_vfs_t *, bhv_module_vfsops_t *);
-
+extern void bhv_module_init(const char *, struct module *, const void *);
+extern void bhv_module_exit(const char *);
+extern void bhv_get_vfsops(struct bhv_vfs *, const char *, const char *);
 extern void bhv_insert_all_vfsops(struct bhv_vfs *);
 extern void bhv_remove_all_vfsops(struct bhv_vfs *, int);
 extern void bhv_remove_vfsops(struct bhv_vfs *, int);