X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=include%2Flinux%2Fraid%2Fmd_k.h;h=8042f55dd3237438c58003bc220bc484ad339456;hb=773f7834425e83144c95fbbc553ced3c2b74b828;hp=8c14ba565a45b95093b0a65e113bda2898f1d358;hpb=5696c1944a33b4434a9a1ebb6383b906afd43a10;p=pandora-kernel.git

diff --git a/include/linux/raid/md_k.h b/include/linux/raid/md_k.h
index 8c14ba565a45..8042f55dd323 100644
--- a/include/linux/raid/md_k.h
+++ b/include/linux/raid/md_k.h
@@ -85,70 +85,6 @@ typedef struct mdk_rdev_s mdk_rdev_t;
 
 #define MAX_CHUNK_SIZE (4096*1024)
 
-/*
- * default readahead
- */
-
-static inline int disk_faulty(mdp_disk_t * d)
-{
-	return d->state & (1 << MD_DISK_FAULTY);
-}
-
-static inline int disk_active(mdp_disk_t * d)
-{
-	return d->state & (1 << MD_DISK_ACTIVE);
-}
-
-static inline int disk_sync(mdp_disk_t * d)
-{
-	return d->state & (1 << MD_DISK_SYNC);
-}
-
-static inline int disk_spare(mdp_disk_t * d)
-{
-	return !disk_sync(d) && !disk_active(d) && !disk_faulty(d);
-}
-
-static inline int disk_removed(mdp_disk_t * d)
-{
-	return d->state & (1 << MD_DISK_REMOVED);
-}
-
-static inline void mark_disk_faulty(mdp_disk_t * d)
-{
-	d->state |= (1 << MD_DISK_FAULTY);
-}
-
-static inline void mark_disk_active(mdp_disk_t * d)
-{
-	d->state |= (1 << MD_DISK_ACTIVE);
-}
-
-static inline void mark_disk_sync(mdp_disk_t * d)
-{
-	d->state |= (1 << MD_DISK_SYNC);
-}
-
-static inline void mark_disk_spare(mdp_disk_t * d)
-{
-	d->state = 0;
-}
-
-static inline void mark_disk_removed(mdp_disk_t * d)
-{
-	d->state = (1 << MD_DISK_FAULTY) | (1 << MD_DISK_REMOVED);
-}
-
-static inline void mark_disk_inactive(mdp_disk_t * d)
-{
-	d->state &= ~(1 << MD_DISK_ACTIVE);
-}
-
-static inline void mark_disk_nonsync(mdp_disk_t * d)
-{
-	d->state &= ~(1 << MD_DISK_SYNC);
-}
-
 /*
  * MD's 'extended' device
  */
@@ -181,6 +117,9 @@ struct mdk_rdev_s
 	int faulty;			/* if faulty do not issue IO requests */
 	int in_sync;			/* device is a full member of the array */
 
+	unsigned long	flags;		/* Should include faulty and in_sync here. */
+#define	WriteMostly	4		/* Avoid reading if at all possible */
+
 	int desc_nr;			/* descriptor index in the superblock */
 	int raid_disk;			/* role of device in array */
 	int saved_raid_disk;		/* role that device used to have in the
@@ -272,12 +211,19 @@ struct mddev_s
 	atomic_t			writes_pending; 
 	request_queue_t			*queue;	/* for plugging ... */
 
+	atomic_t                        write_behind; /* outstanding async IO */
+	unsigned int                    max_write_behind; /* 0 = sync */
+
 	struct bitmap                   *bitmap; /* the bitmap for the device */
 	struct file			*bitmap_file; /* the bitmap file */
 	long				bitmap_offset; /* offset from superblock of
 							* start of bitmap. May be
 							* negative, but not '0'
 							*/
+	long				default_bitmap_offset; /* this is the offset to use when
+								* hot-adding a bitmap.  It should
+								* eventually be settable by sysfs.
+								*/
 
 	struct list_head		all_mddevs;
 };
@@ -314,6 +260,12 @@ struct mdk_personality_s
 	int (*resize) (mddev_t *mddev, sector_t sectors);
 	int (*reshape) (mddev_t *mddev, int raid_disks);
 	int (*reconfig) (mddev_t *mddev, int layout, int chunk_size);
+	/* quiesce moves between quiescence states
+	 * 0 - fully active
+	 * 1 - no new requests allowed
+	 * others - reserved
+	 */
+	void (*quiesce) (mddev_t *mddev, int state);
 };