/*
* Vnode to Linux inode mapping.
*/
-static inline struct vnode *vn_from_inode(struct inode *inode)
-{
- return (vnode_t *)list_entry(inode, vnode_t, v_inode);
-}
-static inline struct inode *vn_to_inode(struct vnode *vnode)
-{
- return &vnode->v_inode;
-}
+#define LINVFS_GET_VP(inode) ((vnode_t *)list_entry(inode, vnode_t, v_inode))
+#define LINVFS_GET_IP(vp) (&(vp)->v_inode)
/*
* Vnode flags.
typedef ssize_t (*vop_sendfile_t)(bhv_desc_t *, struct file *,
loff_t *, int, size_t, read_actor_t,
void *, struct cred *);
-typedef ssize_t (*vop_splice_read_t)(bhv_desc_t *, struct file *, loff_t *,
- struct pipe_inode_info *, size_t, int, int,
- struct cred *);
-typedef ssize_t (*vop_splice_write_t)(bhv_desc_t *, struct pipe_inode_info *,
- struct file *, loff_t *, size_t, int, int,
- struct cred *);
typedef int (*vop_ioctl_t)(bhv_desc_t *, struct inode *, struct file *,
int, unsigned int, void __user *);
typedef int (*vop_getattr_t)(bhv_desc_t *, struct vattr *, int,
vop_read_t vop_read;
vop_write_t vop_write;
vop_sendfile_t vop_sendfile;
- vop_splice_read_t vop_splice_read;
- vop_splice_write_t vop_splice_write;
vop_ioctl_t vop_ioctl;
vop_getattr_t vop_getattr;
vop_setattr_t vop_setattr;
rv = _VOP_(vop_write, vp)((vp)->v_fbhv,file,iov,segs,offset,ioflags,cr)
#define VOP_SENDFILE(vp,f,off,ioflags,cnt,act,targ,cr,rv) \
rv = _VOP_(vop_sendfile, vp)((vp)->v_fbhv,f,off,ioflags,cnt,act,targ,cr)
-#define VOP_SPLICE_READ(vp,f,o,pipe,cnt,fl,iofl,cr,rv) \
- rv = _VOP_(vop_splice_read, vp)((vp)->v_fbhv,f,o,pipe,cnt,fl,iofl,cr)
-#define VOP_SPLICE_WRITE(vp,f,o,pipe,cnt,fl,iofl,cr,rv) \
- rv = _VOP_(vop_splice_write, vp)((vp)->v_fbhv,f,o,pipe,cnt,fl,iofl,cr)
#define VOP_BMAP(vp,of,sz,rw,b,n,rv) \
rv = _VOP_(vop_bmap, vp)((vp)->v_fbhv,of,sz,rw,b,n)
#define VOP_OPEN(vp, cr, rv) \
(vmap).v_ino = (vp)->v_inode.i_ino; }
extern int vn_revalidate(struct vnode *);
-extern int __vn_revalidate(struct vnode *, vattr_t *);
extern void vn_revalidate_core(struct vnode *, vattr_t *);
extern void vn_iowait(struct vnode *vp);
static inline int vn_count(struct vnode *vp)
{
- return atomic_read(&vn_to_inode(vp)->i_count);
+ return atomic_read(&LINVFS_GET_IP(vp)->i_count);
}
/*
vn_trace_hold(vp, __FILE__, __LINE__, (inst_t *)__return_address))
#define VN_RELE(vp) \
(vn_trace_rele(vp, __FILE__, __LINE__, (inst_t *)__return_address), \
- iput(vn_to_inode(vp)))
+ iput(LINVFS_GET_IP(vp)))
#else
#define VN_HOLD(vp) ((void)vn_hold(vp))
-#define VN_RELE(vp) (iput(vn_to_inode(vp)))
+#define VN_RELE(vp) (iput(LINVFS_GET_IP(vp)))
#endif
static inline struct vnode *vn_grab(struct vnode *vp)
{
- struct inode *inode = igrab(vn_to_inode(vp));
- return inode ? vn_from_inode(inode) : NULL;
+ struct inode *inode = igrab(LINVFS_GET_IP(vp));
+ return inode ? LINVFS_GET_VP(inode) : NULL;
}
/*
*/
#define VNAME(dentry) ((char *) (dentry)->d_name.name)
#define VNAMELEN(dentry) ((dentry)->d_name.len)
-#define VNAME_TO_VNODE(dentry) (vn_from_inode((dentry)->d_inode))
+#define VNAME_TO_VNODE(dentry) (LINVFS_GET_VP((dentry)->d_inode))
/*
* Vnode spinlock manipulation.
*/
static inline void vn_mark_bad(struct vnode *vp)
{
- make_bad_inode(vn_to_inode(vp));
+ make_bad_inode(LINVFS_GET_IP(vp));
}
static inline int VN_BAD(struct vnode *vp)
{
- return is_bad_inode(vn_to_inode(vp));
+ return is_bad_inode(LINVFS_GET_IP(vp));
}
/*
/*
* Some useful predicates.
*/
-#define VN_MAPPED(vp) mapping_mapped(vn_to_inode(vp)->i_mapping)
-#define VN_CACHED(vp) (vn_to_inode(vp)->i_mapping->nrpages)
-#define VN_DIRTY(vp) mapping_tagged(vn_to_inode(vp)->i_mapping, \
+#define VN_MAPPED(vp) mapping_mapped(LINVFS_GET_IP(vp)->i_mapping)
+#define VN_CACHED(vp) (LINVFS_GET_IP(vp)->i_mapping->nrpages)
+#define VN_DIRTY(vp) mapping_tagged(LINVFS_GET_IP(vp)->i_mapping, \
PAGECACHE_TAG_DIRTY)
#define VMODIFY(vp) VN_FLAGSET(vp, VMODIFIED)
#define VUNMODIFY(vp) VN_FLAGCLR(vp, VMODIFIED)