-typedef int (*vfs_mount_t)(bhv_desc_t *,
- struct xfs_mount_args *, struct cred *);
-typedef int (*vfs_parseargs_t)(bhv_desc_t *, char *,
- struct xfs_mount_args *, int);
-typedef int (*vfs_showargs_t)(bhv_desc_t *, struct seq_file *);
-typedef int (*vfs_unmount_t)(bhv_desc_t *, int, struct cred *);
-typedef int (*vfs_mntupdate_t)(bhv_desc_t *, int *,
- struct xfs_mount_args *);
-typedef int (*vfs_root_t)(bhv_desc_t *, struct bhv_vnode **);
-typedef int (*vfs_statvfs_t)(bhv_desc_t *, bhv_statvfs_t *,
- struct bhv_vnode *);
-typedef int (*vfs_sync_t)(bhv_desc_t *, int, struct cred *);
-typedef int (*vfs_vget_t)(bhv_desc_t *, struct bhv_vnode **, struct fid *);
-typedef int (*vfs_dmapiops_t)(bhv_desc_t *, caddr_t);
-typedef int (*vfs_quotactl_t)(bhv_desc_t *, int, int, caddr_t);
-typedef void (*vfs_init_vnode_t)(bhv_desc_t *,
- 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 bhv_vfsops {
- bhv_position_t vf_position; /* behavior chain position */
- vfs_mount_t vfs_mount; /* mount file system */
- vfs_parseargs_t vfs_parseargs; /* parse mount options */
- vfs_showargs_t vfs_showargs; /* unparse mount options */
- vfs_unmount_t vfs_unmount; /* unmount file system */
- vfs_mntupdate_t vfs_mntupdate; /* update file system options */
- vfs_root_t vfs_root; /* get root vnode */
- vfs_statvfs_t vfs_statvfs; /* file system statistics */
- vfs_sync_t vfs_sync; /* flush files */
- vfs_vget_t vfs_vget; /* get vnode from fid */
- vfs_dmapiops_t vfs_dmapiops; /* data migration */
- vfs_quotactl_t vfs_quotactl; /* disk quota */
- 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 */
-} bhv_vfsops_t;
-
-/*
- * Virtual filesystem operations, operating from head bhv.
- */
-#define VFSHEAD(v) ((v)->vfs_bh.bh_first)
-#define bhv_vfs_mount(v, ma,cr) vfs_mount(VFSHEAD(v), ma,cr)
-#define bhv_vfs_parseargs(v, o,ma,f) vfs_parseargs(VFSHEAD(v), o,ma,f)
-#define bhv_vfs_showargs(v, m) vfs_showargs(VFSHEAD(v), m)
-#define bhv_vfs_unmount(v, f,cr) vfs_unmount(VFSHEAD(v), f,cr)
-#define bhv_vfs_mntupdate(v, fl,args) vfs_mntupdate(VFSHEAD(v), fl,args)
-#define bhv_vfs_root(v, vpp) vfs_root(VFSHEAD(v), vpp)
-#define bhv_vfs_statvfs(v, sp,vp) vfs_statvfs(VFSHEAD(v), sp,vp)
-#define bhv_vfs_sync(v, flag,cr) vfs_sync(VFSHEAD(v), flag,cr)
-#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_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))
-
-/*
- * Virtual filesystem operations, operating from next bhv.
- */
-#define bhv_next_vfs_mount(b, ma,cr) vfs_mount(b, ma,cr)
-#define bhv_next_vfs_parseargs(b, o,ma,f) vfs_parseargs(b, o,ma,f)
-#define bhv_next_vfs_showargs(b, m) vfs_showargs(b, m)
-#define bhv_next_vfs_unmount(b, f,cr) vfs_unmount(b, f,cr)
-#define bhv_next_vfs_mntupdate(b, fl,args) vfs_mntupdate(b, fl, args)
-#define bhv_next_vfs_root(b, vpp) vfs_root(b, vpp)
-#define bhv_next_vfs_statvfs(b, sp,vp) vfs_statvfs(b, sp,vp)
-#define bhv_next_vfs_sync(b, flag,cr) vfs_sync(b, flag,cr)
-#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_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)
-
-extern int vfs_mount(bhv_desc_t *, struct xfs_mount_args *, struct cred *);
-extern int vfs_parseargs(bhv_desc_t *, char *, struct xfs_mount_args *, int);
-extern int vfs_showargs(bhv_desc_t *, struct seq_file *);
-extern int vfs_unmount(bhv_desc_t *, int, struct cred *);
-extern int vfs_mntupdate(bhv_desc_t *, int *, struct xfs_mount_args *);
-extern int vfs_root(bhv_desc_t *, struct bhv_vnode **);
-extern int vfs_statvfs(bhv_desc_t *, bhv_statvfs_t *, struct bhv_vnode *);
-extern int vfs_sync(bhv_desc_t *, int, struct cred *);
-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 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))
-
-typedef struct bhv_module_vfsops {
- struct bhv_vfsops bhv_common;
- void * bhv_custom;
-} bhv_module_vfsops_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))
-#define vfs_bhv_clr_custom(b) ((b)->bhv_custom = NULL)
-
-extern bhv_vfs_t *vfs_allocate(struct super_block *);
-extern bhv_vfs_t *vfs_from_sb(struct super_block *);
-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_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);