md/raid5: raid5.h cleanup

Remove some #defines that are no longer used, and replace some
others with an enum.
And remove an unused field.

Reviewed-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: NeilBrown <neilb@suse.de>

1 files changed, 9 insertions, 18 deletions

diff --git a/drivers/md/raid5.h b/drivers/md/raid5.h
index 43106f01862d..4cfd8016010e 100644
--- a/drivers/md/raid5.h
+++ b/drivers/md/raid5.h
@@ -27,7 +27,7 @@
  * The possible state transitions are:
  *
  *  Empty -> Want   - on read or write to get old data for  parity calc
- *  Empty -> Dirty  - on compute_parity to satisfy write/sync request.(RECONSTRUCT_WRITE)
+ *  Empty -> Dirty  - on compute_parity to satisfy write/sync request.
  *  Empty -> Clean  - on compute_block when computing a block for failed drive
  *  Want  -> Empty  - on failed read
  *  Want  -> Clean  - on successful completion of read request
@@ -284,15 +284,6 @@ enum r5dev_flags {
         R5_MadeGoodRepl,/* A bad block on the replacement device has been
                          * fixed by writing to it */
 };
-/*
- * Write method
- */
-#define RECONSTRUCT_WRITE       1
-#define READ_MODIFY_WRITE       2
-/* not a write method, but a compute_parity mode */
-#define CHECK_PARITY            3
-/* Additional compute_parity mode -- updates the parity w/o LOCKING */
-#define UPDATE_PARITY           4
 
 /*
  * Stripe state
@@ -320,13 +311,14 @@ enum {
 /*
  * Operation request flags
  */
-#define STRIPE_OP_BIOFILL       0
-#define STRIPE_OP_COMPUTE_BLK   1
-#define STRIPE_OP_PREXOR        2
-#define STRIPE_OP_BIODRAIN      3
-#define STRIPE_OP_RECONSTRUCT   4
-#define STRIPE_OP_CHECK 5
-
+enum {
+        STRIPE_OP_BIOFILL,
+        STRIPE_OP_COMPUTE_BLK,
+        STRIPE_OP_PREXOR,
+        STRIPE_OP_BIODRAIN,
+        STRIPE_OP_RECONSTRUCT,
+        STRIPE_OP_CHECK,
+};
 /*
  * Plugging:
  *
@@ -359,7 +351,6 @@ struct disk_info {
 struct r5conf {
         struct hlist_head       *stripe_hashtbl;
         struct mddev            *mddev;
-        struct disk_info        *spare;
         int                     chunk_sectors;
         int                     level, algorithm;
         int                     max_degraded;