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path: root/drivers/s390/block/dasd_int.h
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Diffstat (limited to 'drivers/s390/block/dasd_int.h')
-rw-r--r--drivers/s390/block/dasd_int.h14
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/s390/block/dasd_int.h b/drivers/s390/block/dasd_int.h
index fa552f9f1666..9d9685c25253 100644
--- a/drivers/s390/block/dasd_int.h
+++ b/drivers/s390/block/dasd_int.h
@@ -188,6 +188,7 @@ struct dasd_ccw_req {
void (*callback)(struct dasd_ccw_req *, void *data);
void *callback_data;
unsigned int proc_bytes; /* bytes for partial completion */
+ unsigned int trkcount; /* count formatted tracks */
};
/*
@@ -575,6 +576,7 @@ struct dasd_block {
struct list_head format_list;
spinlock_t format_lock;
+ atomic_t trkcount;
};
struct dasd_attention_data {
@@ -723,6 +725,18 @@ dasd_check_blocksize(int bsize)
return 0;
}
+/*
+ * return the callback data of the original request in case there are
+ * ERP requests build on top of it
+ */
+static inline void *dasd_get_callback_data(struct dasd_ccw_req *cqr)
+{
+ while (cqr->refers)
+ cqr = cqr->refers;
+
+ return cqr->callback_data;
+}
+
/* externals in dasd.c */
#define DASD_PROFILE_OFF 0
#define DASD_PROFILE_ON 1