diff options
-rw-r--r-- | block/blk-core.c | 5 | ||||
-rw-r--r-- | drivers/block/ub.c | 6 | ||||
-rw-r--r-- | drivers/ide/ide-cd.c | 4 | ||||
-rw-r--r-- | drivers/ide/ide-tape.c | 2 | ||||
-rw-r--r-- | drivers/message/fusion/mptsas.c | 3 | ||||
-rw-r--r-- | drivers/scsi/libsas/sas_expander.c | 4 | ||||
-rw-r--r-- | drivers/scsi/libsas/sas_host_smp.c | 3 | ||||
-rw-r--r-- | drivers/scsi/mpt2sas/mpt2sas_transport.c | 4 |
8 files changed, 18 insertions, 13 deletions
diff --git a/block/blk-core.c b/block/blk-core.c index a2d97de1a12c..e3f7e6a3a095 100644 --- a/block/blk-core.c +++ b/block/blk-core.c @@ -1783,9 +1783,10 @@ void blk_start_request(struct request *req) blk_dequeue_request(req); /* - * We are now handing the request to the hardware, add the - * timeout handler. + * We are now handing the request to the hardware, initialize + * resid_len to full count and add the timeout handler. */ + req->resid_len = blk_rq_bytes(req); blk_add_timer(req); } EXPORT_SYMBOL(blk_start_request); diff --git a/drivers/block/ub.c b/drivers/block/ub.c index f32781cff456..e67bbae9547d 100644 --- a/drivers/block/ub.c +++ b/drivers/block/ub.c @@ -781,8 +781,10 @@ static void ub_rw_cmd_done(struct ub_dev *sc, struct ub_scsi_cmd *cmd) if (cmd->error == 0) { if (blk_pc_request(rq)) { - if (cmd->act_len < blk_rq_bytes(rq)) - rq->resid_len = blk_rq_bytes(rq) - cmd->act_len; + if (cmd->act_len >= rq->resid_len) + rq->resid_len = 0; + else + rq->resid_len -= cmd->act_len; scsi_status = 0; } else { if (cmd->act_len != cmd->len) { diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c index 4c7792fd5f93..081aed6781cc 100644 --- a/drivers/ide/ide-cd.c +++ b/drivers/ide/ide-cd.c @@ -699,6 +699,7 @@ static ide_startstop_t cdrom_newpc_intr(ide_drive_t *drive) out_end: if (blk_pc_request(rq) && rc == 0) { + rq->resid_len = 0; blk_end_request_all(rq, 0); hwif->rq = NULL; } else { @@ -718,8 +719,7 @@ out_end: /* make sure it's fully ended */ if (blk_fs_request(rq) == 0) { - rq->resid_len = blk_rq_bytes(rq) - - (cmd->nbytes - cmd->nleft); + rq->resid_len -= cmd->nbytes - cmd->nleft; if (uptodate == 0 && (cmd->tf_flags & IDE_TFLAG_WRITE)) rq->resid_len += cmd->last_xfer_len; } diff --git a/drivers/ide/ide-tape.c b/drivers/ide/ide-tape.c index e16604562f28..683ff37d4079 100644 --- a/drivers/ide/ide-tape.c +++ b/drivers/ide/ide-tape.c @@ -380,7 +380,7 @@ static int ide_tape_callback(ide_drive_t *drive, int dsc) } tape->first_frame += blocks; - rq->resid_len = blk_rq_bytes(rq) - blocks * tape->blk_size; + rq->resid_len -= blocks * tape->blk_size; if (pc->error) { uptodate = 0; diff --git a/drivers/message/fusion/mptsas.c b/drivers/message/fusion/mptsas.c index 4e6fcf06a6f2..79f5433359f9 100644 --- a/drivers/message/fusion/mptsas.c +++ b/drivers/message/fusion/mptsas.c @@ -1357,7 +1357,8 @@ static int mptsas_smp_handler(struct Scsi_Host *shost, struct sas_rphy *rphy, smprep = (SmpPassthroughReply_t *)ioc->sas_mgmt.reply; memcpy(req->sense, smprep, sizeof(*smprep)); req->sense_len = sizeof(*smprep); - rsp->resid_len = blk_rq_bytes(rsp) - smprep->ResponseDataLength; + req->resid_len = 0; + rsp->resid_len -= smprep->ResponseDataLength; } else { printk(MYIOC_s_ERR_FMT "%s: smp passthru reply failed to be returned\n", ioc->name, __func__); diff --git a/drivers/scsi/libsas/sas_expander.c b/drivers/scsi/libsas/sas_expander.c index 531af9ed7199..54fa1e42dc4d 100644 --- a/drivers/scsi/libsas/sas_expander.c +++ b/drivers/scsi/libsas/sas_expander.c @@ -1937,7 +1937,11 @@ int sas_smp_handler(struct Scsi_Host *shost, struct sas_rphy *rphy, if (ret > 0) { /* positive number is the untransferred residual */ rsp->resid_len = ret; + req->resid_len = 0; ret = 0; + } else if (ret == 0) { + rsp->resid_len = 0; + req->resid_len = 0; } return ret; diff --git a/drivers/scsi/libsas/sas_host_smp.c b/drivers/scsi/libsas/sas_host_smp.c index be9a951b977d..1bc3b7567994 100644 --- a/drivers/scsi/libsas/sas_host_smp.c +++ b/drivers/scsi/libsas/sas_host_smp.c @@ -176,9 +176,6 @@ int sas_smp_host_handler(struct Scsi_Host *shost, struct request *req, resp_data[1] = req_data[1]; resp_data[2] = SMP_RESP_FUNC_UNK; - req->resid_len = blk_rq_bytes(req); - rsp->resid_len = blk_rq_bytes(rsp); - switch (req_data[1]) { case SMP_REPORT_GENERAL: req->resid_len -= 8; diff --git a/drivers/scsi/mpt2sas/mpt2sas_transport.c b/drivers/scsi/mpt2sas/mpt2sas_transport.c index af95a449930e..5c65da519e39 100644 --- a/drivers/scsi/mpt2sas/mpt2sas_transport.c +++ b/drivers/scsi/mpt2sas/mpt2sas_transport.c @@ -1170,8 +1170,8 @@ transport_smp_handler(struct Scsi_Host *shost, struct sas_rphy *rphy, memcpy(req->sense, mpi_reply, sizeof(*mpi_reply)); req->sense_len = sizeof(*mpi_reply); - rsp->resid_len = blk_rq_bytes(rsp) - - mpi_reply->ResponseDataLength; + req->resid_len = 0; + rsp->resid_len -= mpi_reply->ResponseDataLength; } else { dtransportprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s - no reply\n", ioc->name, __func__)); |