add function to determine if a buffer can be recycled within the ARC

freebsd · Dec 21, 2009 · 9f14661 · 9f14661
1 parent 90d2186
commit 9f14661
Showing 1 changed file with 8 additions and 0 deletions.
diff --git a/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/sys/zio.h b/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/sys/zio.h
@@ -420,6 +420,14 @@ extern int zio_handle_fault_injection(zio_t *zio, int error);
 extern int zio_handle_device_injection(vdev_t *vd, int error);
 extern int zio_handle_label_injection(zio_t *zio, int error);
 
+
+static __inline int
+zio_recycleable(int64_t size)
+{
+
+	return ((size > 0) && (size & PAGE_MASK));
+}
+
 #ifdef	__cplusplus
 }
 #endif