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-rw-r--r--drivers/md/raid5-cache.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/md/raid5-cache.c b/drivers/md/raid5-cache.c
index cc3f8442f11f..4c00bc248287 100644
--- a/drivers/md/raid5-cache.c
+++ b/drivers/md/raid5-cache.c
@@ -2637,8 +2637,11 @@ int r5c_try_caching_write(struct r5conf *conf,
* When run in degraded mode, array is set to write-through mode.
* This check helps drain pending write safely in the transition to
* write-through mode.
+ *
+ * When a stripe is syncing, the write is also handled in write
+ * through mode.
*/
- if (s->failed) {
+ if (s->failed || test_bit(STRIPE_SYNCING, &sh->state)) {
r5c_make_stripe_write_out(sh);
return -EAGAIN;
}
@@ -2841,6 +2844,9 @@ void r5c_finish_stripe_write_out(struct r5conf *conf,
}
r5l_append_flush_payload(log, sh->sector);
+ /* stripe is flused to raid disks, we can do resync now */
+ if (test_bit(STRIPE_SYNC_REQUESTED, &sh->state))
+ set_bit(STRIPE_HANDLE, &sh->state);
}
int r5c_cache_data(struct r5l_log *log, struct stripe_head *sh)