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Diffstat (limited to 'drivers/md/raid5.h')
-rw-r--r--drivers/md/raid5.h10
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/md/raid5.h b/drivers/md/raid5.h
index 6dd295a80ee1..ba5b7a3790af 100644
--- a/drivers/md/raid5.h
+++ b/drivers/md/raid5.h
@@ -224,10 +224,16 @@ struct stripe_head {
spinlock_t batch_lock; /* only header's lock is useful */
struct list_head batch_list; /* protected by head's batch lock*/
- struct r5l_io_unit *log_io;
+ union {
+ struct r5l_io_unit *log_io;
+ struct ppl_io_unit *ppl_io;
+ };
+
struct list_head log_list;
sector_t log_start; /* first meta block on the journal */
struct list_head r5c; /* for r5c_cache->stripe_in_journal */
+
+ struct page *ppl_page; /* partial parity of this stripe */
/**
* struct stripe_operations
* @target - STRIPE_OP_COMPUTE_BLK target
@@ -400,6 +406,7 @@ enum {
STRIPE_OP_BIODRAIN,
STRIPE_OP_RECONSTRUCT,
STRIPE_OP_CHECK,
+ STRIPE_OP_PARTIAL_PARITY,
};
/*
@@ -696,6 +703,7 @@ struct r5conf {
int group_cnt;
int worker_cnt_per_group;
struct r5l_log *log;
+ void *log_private;
spinlock_t pending_bios_lock;
bool batch_bio_dispatch;