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-rw-r--r--include/linux/attribute_container.h4
-rw-r--r--include/linux/raid_class.h59
-rw-r--r--include/scsi/scsi_eh.h3
-rw-r--r--include/scsi/scsi_host.h2
4 files changed, 61 insertions, 7 deletions
diff --git a/include/linux/attribute_container.h b/include/linux/attribute_container.h
index ee83fe64a102..93bfb0beb62a 100644
--- a/include/linux/attribute_container.h
+++ b/include/linux/attribute_container.h
@@ -11,12 +11,12 @@
#include <linux/device.h>
#include <linux/list.h>
+#include <linux/klist.h>
#include <linux/spinlock.h>
struct attribute_container {
struct list_head node;
- struct list_head containers;
- spinlock_t containers_lock;
+ struct klist containers;
struct class *class;
struct class_device_attribute **attrs;
int (*match)(struct attribute_container *, struct device *);
diff --git a/include/linux/raid_class.h b/include/linux/raid_class.h
new file mode 100644
index 000000000000..a71123c28272
--- /dev/null
+++ b/include/linux/raid_class.h
@@ -0,0 +1,59 @@
+/*
+ */
+#include <linux/transport_class.h>
+
+struct raid_template {
+ struct transport_container raid_attrs;
+};
+
+struct raid_function_template {
+ void *cookie;
+ int (*is_raid)(struct device *);
+ void (*get_resync)(struct device *);
+ void (*get_state)(struct device *);
+};
+
+enum raid_state {
+ RAID_ACTIVE = 1,
+ RAID_DEGRADED,
+ RAID_RESYNCING,
+ RAID_OFFLINE,
+};
+
+struct raid_data {
+ struct list_head component_list;
+ int component_count;
+ int level;
+ enum raid_state state;
+ int resync;
+};
+
+#define DEFINE_RAID_ATTRIBUTE(type, attr) \
+static inline void \
+raid_set_##attr(struct raid_template *r, struct device *dev, type value) { \
+ struct class_device *cdev = \
+ attribute_container_find_class_device(&r->raid_attrs.ac, dev);\
+ struct raid_data *rd; \
+ BUG_ON(!cdev); \
+ rd = class_get_devdata(cdev); \
+ rd->attr = value; \
+} \
+static inline type \
+raid_get_##attr(struct raid_template *r, struct device *dev) { \
+ struct class_device *cdev = \
+ attribute_container_find_class_device(&r->raid_attrs.ac, dev);\
+ struct raid_data *rd; \
+ BUG_ON(!cdev); \
+ rd = class_get_devdata(cdev); \
+ return rd->attr; \
+}
+
+DEFINE_RAID_ATTRIBUTE(int, level)
+DEFINE_RAID_ATTRIBUTE(int, resync)
+DEFINE_RAID_ATTRIBUTE(enum raid_state, state)
+
+struct raid_template *raid_class_attach(struct raid_function_template *);
+void raid_class_release(struct raid_template *);
+
+void raid_component_add(struct raid_template *, struct device *,
+ struct device *);
diff --git a/include/scsi/scsi_eh.h b/include/scsi/scsi_eh.h
index b24d224281bd..fabd879c2f2e 100644
--- a/include/scsi/scsi_eh.h
+++ b/include/scsi/scsi_eh.h
@@ -35,9 +35,6 @@ static inline int scsi_sense_valid(struct scsi_sense_hdr *sshdr)
}
-extern void scsi_add_timer(struct scsi_cmnd *, int,
- void (*)(struct scsi_cmnd *));
-extern int scsi_delete_timer(struct scsi_cmnd *);
extern void scsi_report_bus_reset(struct Scsi_Host *, int);
extern void scsi_report_device_reset(struct Scsi_Host *, int, int);
extern int scsi_block_when_processing_errors(struct scsi_device *);
diff --git a/include/scsi/scsi_host.h b/include/scsi/scsi_host.h
index ac1b6125e3ae..916144be208b 100644
--- a/include/scsi/scsi_host.h
+++ b/include/scsi/scsi_host.h
@@ -467,12 +467,10 @@ struct Scsi_Host {
struct task_struct * ehandler; /* Error recovery thread. */
struct semaphore * eh_wait; /* The error recovery thread waits
on this. */
- struct completion * eh_notify; /* wait for eh to begin or end */
struct semaphore * eh_action; /* Wait for specific actions on the
host. */
unsigned int eh_active:1; /* Indicates the eh thread is awake and active if
this is true. */
- unsigned int eh_kill:1; /* set when killing the eh thread */
wait_queue_head_t host_wait;
struct scsi_host_template *hostt;
struct scsi_transport_template *transportt;