From: Liu Yuan <tailai...@taobao.com>
We need to notify underlying store when the recovery begins.
Signed-off-by: Liu Yuan <tailai...@taobao.com>
---
sheep/sheep_priv.h | 1 +
sheep/store.c | 6 ++++++
2 files changed, 7 insertions(+), 0 deletions(-)
diff --git a/sheep/sheep_priv.h b/sheep/sheep_priv.h
index 0a25c7d..071b5ad 100644
--- a/sheep/sheep_priv.h
+++ b/sheep/sheep_priv.h
@@ -177,6 +177,7 @@ struct store_driver {
int (*get_objlist)(struct siocb *);
int (*link)(uint64_t oid, struct siocb *, int tgt_epoch);
int (*atomic_put)(uint64_t oid, struct siocb *);
+ int (*begin_recover)(struct siocb *);
};
extern struct list_head store_drivers;
diff --git a/sheep/store.c b/sheep/store.c
index f0ca2bc..101cb2b 100644
--- a/sheep/store.c
+++ b/sheep/store.c
@@ -1804,6 +1804,12 @@ int start_recovery(uint32_t epoch)
rw->work.fn = do_recovery_work;
rw->work.done = do_recover_main;
+ if (sd_store->begin_recover) {
+ struct siocb iocb = { 0 };
+ iocb.epoch = epoch;
+ sd_store->begin_recover(&iocb);
+ }
+
if (recovering_work != NULL) {
if (next_rw) {
/* skip the previous epoch recovery */
--
1.7.8.2
--
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