md/raid5-cache: remove the unnecessary next_cp_seq field from the r5l_log

The next_cp_seq field is useless, remove it.

Signed-off-by: JackieLiu <liuyun01@kylinos.cn>
Signed-off-by: Shaohua Li <shli@fb.com>

diff --git a/drivers/md/raid5-cache.c b/drivers/md/raid5-cache.c
index 7b9149e..a46f547 100644 (file)
--- a/drivers/md/raid5-cache.c
+++ b/drivers/md/raid5-cache.c
@@ -113,7 +113,6 @@ struct r5l_log {
        u64 seq;                        /* log head sequence */
 
        sector_t next_checkpoint;
-       u64 next_cp_seq;
 
        struct mutex io_mutex;
        struct r5l_io_unit *current_io; /* current io_unit accepting new data */
@@ -1075,7 +1074,6 @@ static bool r5l_complete_finished_ios(struct r5l_log *log)
                        break;
 
                log->next_checkpoint = io->log_start;
-               log->next_cp_seq = io->seq;
 
                list_del(&io->log_sibling);
                mempool_free(io, log->io_pool);