If we have no sync seq numbers we cannot force dirty status.
So, route writes via slow path. When CSes reply with dirty seqs,
we will be able to make shortcut.
Signed-off-by: Alexey Kuznetsov <kuz...@acronis.com>
---
fs/fuse/kio/pcs/pcs_cs_accel.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/fs/fuse/kio/pcs/pcs_cs_accel.c b/fs/fuse/kio/pcs/pcs_cs_accel.c
index 6db4562..d47486d 100644
--- a/fs/fuse/kio/pcs/pcs_cs_accel.c
+++ b/fs/fuse/kio/pcs/pcs_cs_accel.c
@@ -1123,6 +1123,9 @@ struct pcs_int_request * pcs_csa_csl_write_submit(struct
pcs_int_request * ireq)
ireq_init_acr(ireq);
for (idx = 0; idx < csl->nsrv; idx++) {
+ /* If dirty status is unknown go to slow path to get a seed */
+ if (csl->cs[idx].sync.dirty_seq == 0)
+ break;
if (!csa_cs_submit_write(ireq, idx))
break;
}
@@ -1171,6 +1174,8 @@ int pcs_csa_csl_write_submit_single(struct
pcs_int_request * ireq, int idx)
{
if (idx >= PCS_MAX_ACCEL_CS)
return 0;
+ if (ireq->iochunk.csl->cs[idx].sync.dirty_seq == 0)
+ return 0;
ireq_init_acr(ireq);
--
1.8.3.1
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