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authorTakashi Iwai <tiwai@suse.de>2009-11-14 14:38:28 +0100
committerTakashi Iwai <tiwai@suse.de>2009-11-14 14:38:28 +0100
commit0c3c35e148dbc03106038dd25816fb9f3a084d86 (patch)
tree8b8cc6a027353a0f242f61362b35b0942da61b83 /drivers/md/raid5.h
parent50d40f187f9182ee8caa1b83f80a0e11e2226baa (diff)
parent5e08fe570c2dbabb5015c37049eb9a451e55c890 (diff)
downloadlinux-0c3c35e148dbc03106038dd25816fb9f3a084d86.tar.bz2
Merge branch 'fix/misc' into topic/misc
Diffstat (limited to 'drivers/md/raid5.h')
-rw-r--r--drivers/md/raid5.h14
1 files changed, 12 insertions, 2 deletions
diff --git a/drivers/md/raid5.h b/drivers/md/raid5.h
index 2390e0e83daf..dd708359b451 100644
--- a/drivers/md/raid5.h
+++ b/drivers/md/raid5.h
@@ -214,12 +214,20 @@ struct stripe_head {
int disks; /* disks in stripe */
enum check_states check_state;
enum reconstruct_states reconstruct_state;
- /* stripe_operations
+ /**
+ * struct stripe_operations
* @target - STRIPE_OP_COMPUTE_BLK target
+ * @target2 - 2nd compute target in the raid6 case
+ * @zero_sum_result - P and Q verification flags
+ * @request - async service request flags for raid_run_ops
*/
struct stripe_operations {
int target, target2;
enum sum_check_flags zero_sum_result;
+ #ifdef CONFIG_MULTICORE_RAID456
+ unsigned long request;
+ wait_queue_head_t wait_for_ops;
+ #endif
} ops;
struct r5dev {
struct bio req;
@@ -294,6 +302,8 @@ struct r6_state {
#define STRIPE_FULL_WRITE 13 /* all blocks are set to be overwritten */
#define STRIPE_BIOFILL_RUN 14
#define STRIPE_COMPUTE_RUN 15
+#define STRIPE_OPS_REQ_PENDING 16
+
/*
* Operation request flags
*/
@@ -478,7 +488,7 @@ static inline int algorithm_valid_raid6(int layout)
{
return (layout >= 0 && layout <= 5)
||
- (layout == 8 || layout == 10)
+ (layout >= 8 && layout <= 10)
||
(layout >= 16 && layout <= 20);
}