#include <linux/raid/md_u.h>
#include <linux/raid/md_k.h>
+#ifdef CONFIG_MD
+
/*
* Different major versions are not compatible.
* Different minor versions are only downward compatible.
*/
#define MD_MAJOR_VERSION 0
#define MD_MINOR_VERSION 90
-#define MD_PATCHLEVEL_VERSION 0
+/*
+ * MD_PATCHLEVEL_VERSION indicates kernel functionality.
+ * >=1 means different superblock formats are selectable using SET_ARRAY_INFO
+ * and major_version/minor_version accordingly
+ * >=2 means that Internal bitmaps are supported by setting MD_SB_BITMAP_PRESENT
+ * in the super status byte
+ * >=3 means that bitmap superblock version 4 is supported, which uses
+ * little-ending representation rather than host-endian
+ */
+#define MD_PATCHLEVEL_VERSION 3
-extern int register_md_personality (int p_num, mdk_personality_t *p);
-extern int unregister_md_personality (int p_num);
+extern int register_md_personality (struct mdk_personality *p);
+extern int unregister_md_personality (struct mdk_personality *p);
extern mdk_thread_t * md_register_thread (void (*run) (mddev_t *mddev),
mddev_t *mddev, const char *name);
extern void md_unregister_thread (mdk_thread_t *thread);
extern void md_wakeup_thread(mdk_thread_t *thread);
extern void md_check_recovery(mddev_t *mddev);
-extern void md_write_start(mddev_t *mddev);
+extern void md_write_start(mddev_t *mddev, struct bio *bi);
extern void md_write_end(mddev_t *mddev);
extern void md_handle_safemode(mddev_t *mddev);
extern void md_done_sync(mddev_t *mddev, int blocks, int ok);
extern void md_error (mddev_t *mddev, mdk_rdev_t *rdev);
extern void md_unplug_mddev(mddev_t *mddev);
-extern void md_print_devices (void);
-
-#define MD_BUG(x...) { printk("md: bug in file %s, line %d\n", __FILE__, __LINE__); md_print_devices(); }
+extern void md_super_write(mddev_t *mddev, mdk_rdev_t *rdev,
+ sector_t sector, int size, struct page *page);
+extern void md_super_wait(mddev_t *mddev);
+extern int sync_page_io(struct block_device *bdev, sector_t sector, int size,
+ struct page *page, int rw);
+extern void md_do_sync(mddev_t *mddev);
+extern void md_new_event(mddev_t *mddev);
+extern void md_allow_write(mddev_t *mddev);
+#endif /* CONFIG_MD */
#endif