xnu-201.tar.gz

[apple/xnu.git] / bsd / sys / vnode.h

diff --git a/bsd/sys/vnode.h b/bsd/sys/vnode.h
index 03672ac1a7d9c7b4af8bb96e6524a4c954abc16e..000f1cf5c73d3e6069e23cad67bcbae79fa1400f 100644 (file)
--- a/bsd/sys/vnode.h
+++ b/bsd/sys/vnode.h
@@ -172,6 +172,9 @@ struct vnode {
 #define        VHASDIRTY       0x100000        /* UBC vnode may have 1 or more */
                /* delayed dirty pages that need to be flushed at the next 'sync' */
 #define        VSWAP           0x200000        /* vnode is being used as swapfile */
+#define VTHROTTLED      0x400000        /* writes or pageouts have been throttled */
+                /* wakeup tasks waiting when count falls below threshold */
+
 /*
  * Vnode attributes.  A field value of VNOVAL represents a field whose value
  * is unavailable (getattr) or which is not to be changed (setattr).
@@ -266,6 +269,7 @@ extern int          vttoif_tab[];
 #define        FREEREMAINDER   0x00000008      /* deallocate allocated but */
                                                                        /* unfilled blocks */
 #define        ALLOCATEFROMPEOF        0x00000010      /* allocate from the physical eof */
+#define        ALLOCATEFROMVOL         0x00000020      /* allocate from the volume offset */
 
 #if DIAGNOSTIC
 #define        VATTR_NULL(vap) vattr_null(vap)
@@ -476,7 +480,7 @@ int         vn_rdwr __P((enum uio_rw rw, struct vnode *vp, caddr_t base,
            int len, off_t offset, enum uio_seg segflg, int ioflg,
            struct ucred *cred, int *aresid, struct proc *p));
 int    vn_read __P((struct file *fp, struct uio *uio, struct ucred *cred));
-int    vn_select __P((struct file *fp, int which, struct proc *p));
+int    vn_select __P((struct file *fp, int which, void * wql, struct proc *p));
 int    vn_stat __P((struct vnode *vp, struct stat *sb, struct proc *p));
 int    vn_write __P((struct file *fp, struct uio *uio, struct ucred *cred));
 int    vop_noislocked __P((struct vop_islocked_args *));