[PATCH 013/124] staging: lustre: osc: update kms in brw_interpret() properly

From: James Simmons
Date: Sun Sep 18 2016 - 16:40:07 EST


From: Niu Yawei <yawei.niu@xxxxxxxxx>

In brw_interpret(), we forgot page offset when calculating
write offset, that leads to wrong kms for sync write.

Signed-off-by: Niu Yawei <yawei.niu@xxxxxxxxx>
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-5463
Reviewed-on: http://review.whamcloud.com/11374
Reviewed-by: Bobi Jam <bobijam@xxxxxxxxx>
Reviewed-by: Jinshan Xiong <jinshan.xiong@xxxxxxxxx>
Reviewed-by: Li Dongyang <dongyang.li@xxxxxxxxxx>
Reviewed-by: Oleg Drokin <oleg.drokin@xxxxxxxxx>
Signed-off-by: James Simmons <jsimmons@xxxxxxxxxxxxx>
---
drivers/staging/lustre/lustre/osc/osc_request.c | 3 ++-
1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/drivers/staging/lustre/lustre/osc/osc_request.c b/drivers/staging/lustre/lustre/osc/osc_request.c
index e861973..e44b4fa 100644
--- a/drivers/staging/lustre/lustre/osc/osc_request.c
+++ b/drivers/staging/lustre/lustre/osc/osc_request.c
@@ -1796,7 +1796,8 @@ static int brw_interpret(const struct lu_env *env,

if (lustre_msg_get_opc(req->rq_reqmsg) == OST_WRITE) {
struct lov_oinfo *loi = cl2osc(obj)->oo_oinfo;
- loff_t last_off = last->oap_count + last->oap_obj_off;
+ loff_t last_off = last->oap_count + last->oap_obj_off +
+ last->oap_page_off;

/* Change file size if this is an out of quota or
* direct IO write and it extends the file size
--
1.7.1