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    Subject[PATCH 013/124] staging: lustre: osc: update kms in brw_interpret() properly
    Date
    From: Niu Yawei <yawei.niu@intel.com>

    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@intel.com>
    Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-5463
    Reviewed-on: http://review.whamcloud.com/11374
    Reviewed-by: Bobi Jam <bobijam@gmail.com>
    Reviewed-by: Jinshan Xiong <jinshan.xiong@intel.com>
    Reviewed-by: Li Dongyang <dongyang.li@anu.edu.au>
    Reviewed-by: Oleg Drokin <oleg.drokin@intel.com>
    Signed-off-by: James Simmons <jsimmons@infradead.org>
    ---
    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
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