[S390] cio: introduce subchannel todos

[net-next-2.6.git] / drivers / s390 / cio / cio.h

diff --git a/drivers/s390/cio/cio.h b/drivers/s390/cio/cio.h
index 2e43558c704b915a5779aa5613626dbb6fc15a5f..bf7f80f5a330b7dc3a5ec26abc9cdbca48e51bb2 100644 (file)
--- a/drivers/s390/cio/cio.h
+++ b/drivers/s390/cio/cio.h
@@ -68,6 +68,11 @@ struct schib {
        __u8 mda[4];             /* model dependent area */
 } __attribute__ ((packed,aligned(4)));
 
+enum sch_todo {
+       SCH_TODO_NOTHING,
+       SCH_TODO_UNREG,
+};
+
 /* subchannel data structure used by I/O subroutines */
 struct subchannel {
        struct subchannel_id schid;
@@ -95,7 +100,8 @@ struct subchannel {
        struct device dev;      /* entry in device tree */
        struct css_driver *driver;
        void *private; /* private per subchannel type data */
-       struct work_struct work;
+       enum sch_todo todo;
+       struct work_struct todo_work;
        struct schib_config config;
 } __attribute__ ((aligned(8)));