Z Zhengyuan Liu #
Message details and related content
No initial operation was done to this field when we
load/recovery the log, it got assignment only when IO
to raid disk was finished. So r5l_quiesce may use wrong
next_checkpoint to reclaim log space, that would make
reclaimable space calculation confused.
Signed-off-by: Zhengyuan Liu <redacted>
---
drivers/md/raid5-cache.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/md/raid5-cache.c b/drivers/md/raid5-cache.c
index 1b1ab4a..998ea00 100644
--- a/drivers/md/raid5-cache.c
+++ b/drivers/md/raid5-cache.c@@ -1096,6 +1096,8 @@ static int r5l_recovery_log(struct r5l_log *log) log->seq = ctx.seq + 11; log->log_start = r5l_ring_add(log, ctx.pos, BLOCK_SECTORS); r5l_write_super(log, ctx.pos); + log->last_checkpoint = ctx.pos; + log->next_checkpoint = ctx.pos; } else { log->log_start = ctx.pos; log->seq = ctx.seq;
@@ -1168,6 +1170,7 @@ create: if (log->max_free_space > RECLAIM_MAX_FREE_SPACE) log->max_free_space = RECLAIM_MAX_FREE_SPACE; log->last_checkpoint = cp; + log->next_checkpoint = cp; __free_page(page);
--
2.7.4