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authorIngo Molnar <mingo@elte.hu>2009-11-17 10:16:43 +0100
committerIngo Molnar <mingo@elte.hu>2009-11-17 10:17:47 +0100
commita7b63425a41cd6a8d50f76fef0660c5110f97e91 (patch)
treebe17ee121f1c8814d8d39c9f3e0205d9397fab54 /drivers/md/raid5.h
parent35039eb6b199749943547c8572be6604edf00229 (diff)
parent3726cc75e581c157202da93bb2333cce25c15c98 (diff)
Merge branch 'perf/core' into perf/probes
Resolved merge conflict in tools/perf/Makefile Merge reason: we want to queue up a dependent patch. Signed-off-by: Ingo Molnar <mingo@elte.hu>
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 2390e0e83da..dd708359b45 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);
}