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-rw-r--r--drivers/scsi/libsas/sas_expander.c6
-rw-r--r--drivers/scsi/libsas/sas_host_smp.c38
-rw-r--r--drivers/scsi/mpt2sas/mpt2sas_transport.c4
-rw-r--r--drivers/scsi/scsi_lib.c24
-rw-r--r--drivers/scsi/sg.c2
-rw-r--r--drivers/scsi/st.c2
6 files changed, 36 insertions, 40 deletions
diff --git a/drivers/scsi/libsas/sas_expander.c b/drivers/scsi/libsas/sas_expander.c
index 3da02e436788..6605ec905cc0 100644
--- a/drivers/scsi/libsas/sas_expander.c
+++ b/drivers/scsi/libsas/sas_expander.c
@@ -1936,12 +1936,8 @@ int sas_smp_handler(struct Scsi_Host *shost, struct sas_rphy *rphy,
bio_data(rsp->bio), rsp->data_len);
if (ret > 0) {
/* positive number is the untransferred residual */
- rsp->data_len = ret;
- req->data_len = 0;
+ rsp->resid_len = ret;
ret = 0;
- } else if (ret == 0) {
- rsp->data_len = 0;
- req->data_len = 0;
}
return ret;
diff --git a/drivers/scsi/libsas/sas_host_smp.c b/drivers/scsi/libsas/sas_host_smp.c
index d110a366c48a..89952edd0be3 100644
--- a/drivers/scsi/libsas/sas_host_smp.c
+++ b/drivers/scsi/libsas/sas_host_smp.c
@@ -134,7 +134,7 @@ int sas_smp_host_handler(struct Scsi_Host *shost, struct request *req,
{
u8 *req_data = NULL, *resp_data = NULL, *buf;
struct sas_ha_struct *sas_ha = SHOST_TO_SAS_HA(shost);
- int error = -EINVAL, resp_data_len = rsp->data_len;
+ int error = -EINVAL;
/* eight is the minimum size for request and response frames */
if (req->data_len < 8 || rsp->data_len < 8)
@@ -176,17 +176,20 @@ 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 = req->data_len;
+ rsp->resid_len = rsp->data_len;
+
switch (req_data[1]) {
case SMP_REPORT_GENERAL:
- req->data_len -= 8;
- resp_data_len -= 32;
+ req->resid_len -= 8;
+ rsp->resid_len -= 32;
resp_data[2] = SMP_RESP_FUNC_ACC;
resp_data[9] = sas_ha->num_phys;
break;
case SMP_REPORT_MANUF_INFO:
- req->data_len -= 8;
- resp_data_len -= 64;
+ req->resid_len -= 8;
+ rsp->resid_len -= 64;
resp_data[2] = SMP_RESP_FUNC_ACC;
memcpy(resp_data + 12, shost->hostt->name,
SAS_EXPANDER_VENDOR_ID_LEN);
@@ -199,13 +202,13 @@ int sas_smp_host_handler(struct Scsi_Host *shost, struct request *req,
break;
case SMP_DISCOVER:
- req->data_len -= 16;
- if ((int)req->data_len < 0) {
- req->data_len = 0;
+ req->resid_len -= 16;
+ if ((int)req->resid_len < 0) {
+ req->resid_len = 0;
error = -EINVAL;
goto out;
}
- resp_data_len -= 56;
+ rsp->resid_len -= 56;
sas_host_smp_discover(sas_ha, resp_data, req_data[9]);
break;
@@ -215,13 +218,13 @@ int sas_smp_host_handler(struct Scsi_Host *shost, struct request *req,
break;
case SMP_REPORT_PHY_SATA:
- req->data_len -= 16;
- if ((int)req->data_len < 0) {
- req->data_len = 0;
+ req->resid_len -= 16;
+ if ((int)req->resid_len < 0) {
+ req->resid_len = 0;
error = -EINVAL;
goto out;
}
- resp_data_len -= 60;
+ rsp->resid_len -= 60;
sas_report_phy_sata(sas_ha, resp_data, req_data[9]);
break;
@@ -238,13 +241,13 @@ int sas_smp_host_handler(struct Scsi_Host *shost, struct request *req,
break;
case SMP_PHY_CONTROL:
- req->data_len -= 44;
- if ((int)req->data_len < 0) {
- req->data_len = 0;
+ req->resid_len -= 44;
+ if ((int)req->resid_len < 0) {
+ req->resid_len = 0;
error = -EINVAL;
goto out;
}
- resp_data_len -= 8;
+ rsp->resid_len -= 8;
sas_phy_control(sas_ha, req_data[9], req_data[10],
req_data[32] >> 4, req_data[33] >> 4,
resp_data);
@@ -265,7 +268,6 @@ int sas_smp_host_handler(struct Scsi_Host *shost, struct request *req,
flush_kernel_dcache_page(bio_page(rsp->bio));
kunmap_atomic(buf - bio_offset(rsp->bio), KM_USER0);
local_irq_enable();
- rsp->data_len = resp_data_len;
out:
kfree(req_data);
diff --git a/drivers/scsi/mpt2sas/mpt2sas_transport.c b/drivers/scsi/mpt2sas/mpt2sas_transport.c
index e03dc0b1e1a0..53759c566bfe 100644
--- a/drivers/scsi/mpt2sas/mpt2sas_transport.c
+++ b/drivers/scsi/mpt2sas/mpt2sas_transport.c
@@ -1170,9 +1170,7 @@ 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);
- req->data_len = 0;
- rsp->data_len -= mpi_reply->ResponseDataLength;
-
+ rsp->resid_len = rsp->data_len - mpi_reply->ResponseDataLength;
} else {
dtransportprintk(ioc, printk(MPT2SAS_DEBUG_FMT
"%s - no reply\n", ioc->name, __func__));
diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
index aa9fc572e45f..7d49ef589f33 100644
--- a/drivers/scsi/scsi_lib.c
+++ b/drivers/scsi/scsi_lib.c
@@ -240,11 +240,11 @@ int scsi_execute(struct scsi_device *sdev, const unsigned char *cmd,
* is invalid. Prevent the garbage from being misinterpreted
* and prevent security leaks by zeroing out the excess data.
*/
- if (unlikely(req->data_len > 0 && req->data_len <= bufflen))
- memset(buffer + (bufflen - req->data_len), 0, req->data_len);
+ if (unlikely(req->resid_len > 0 && req->resid_len <= bufflen))
+ memset(buffer + (bufflen - req->resid_len), 0, req->resid_len);
if (resid)
- *resid = req->data_len;
+ *resid = req->resid_len;
ret = req->errors;
out:
blk_put_request(req);
@@ -549,7 +549,7 @@ static struct scsi_cmnd *scsi_end_request(struct scsi_cmnd *cmd, int error,
int leftover = (req->hard_nr_sectors << 9);
if (blk_pc_request(req))
- leftover = req->data_len;
+ leftover = req->resid_len;
/* kill remainder if no retrys */
if (error && scsi_noretry_cmd(cmd))
@@ -673,11 +673,11 @@ void scsi_release_buffers(struct scsi_cmnd *cmd)
EXPORT_SYMBOL(scsi_release_buffers);
/*
- * Bidi commands Must be complete as a whole, both sides at once.
- * If part of the bytes were written and lld returned
- * scsi_in()->resid and/or scsi_out()->resid this information will be left
- * in req->data_len and req->next_rq->data_len. The upper-layer driver can
- * decide what to do with this information.
+ * Bidi commands Must be complete as a whole, both sides at once. If
+ * part of the bytes were written and lld returned scsi_in()->resid
+ * and/or scsi_out()->resid this information will be left in
+ * req->resid_len and req->next_rq->resid_len. The upper-layer driver
+ * can decide what to do with this information.
*/
static void scsi_end_bidi_request(struct scsi_cmnd *cmd)
{
@@ -685,8 +685,8 @@ static void scsi_end_bidi_request(struct scsi_cmnd *cmd)
unsigned int dlen = req->data_len;
unsigned int next_dlen = req->next_rq->data_len;
- req->data_len = scsi_out(cmd)->resid;
- req->next_rq->data_len = scsi_in(cmd)->resid;
+ req->resid_len = scsi_out(cmd)->resid;
+ req->next_rq->resid_len = scsi_in(cmd)->resid;
/* The req and req->next_rq have not been completed */
BUG_ON(blk_end_bidi_request(req, 0, dlen, next_dlen));
@@ -778,7 +778,7 @@ void scsi_io_completion(struct scsi_cmnd *cmd, unsigned int good_bytes)
scsi_end_bidi_request(cmd);
return;
}
- req->data_len = scsi_get_resid(cmd);
+ req->resid_len = scsi_get_resid(cmd);
}
BUG_ON(blk_bidi_rq(req)); /* bidi not support for !blk_pc_request yet */
diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c
index 82312df9b0bf..dec4c70677de 100644
--- a/drivers/scsi/sg.c
+++ b/drivers/scsi/sg.c
@@ -1260,7 +1260,7 @@ static void sg_rq_end_io(struct request *rq, int uptodate)
sense = rq->sense;
result = rq->errors;
- resid = rq->data_len;
+ resid = rq->resid_len;
SCSI_LOG_TIMEOUT(4, printk("sg_cmd_done: %s, pack_id=%d, res=0x%x\n",
sdp->disk->disk_name, srp->header.pack_id, result));
diff --git a/drivers/scsi/st.c b/drivers/scsi/st.c
index eb24efea8f14..8681b708344f 100644
--- a/drivers/scsi/st.c
+++ b/drivers/scsi/st.c
@@ -463,7 +463,7 @@ static void st_scsi_execute_end(struct request *req, int uptodate)
struct scsi_tape *STp = SRpnt->stp;
STp->buffer->cmdstat.midlevel_result = SRpnt->result = req->errors;
- STp->buffer->cmdstat.residual = req->data_len;
+ STp->buffer->cmdstat.residual = req->resid_len;
if (SRpnt->waiting)
complete(SRpnt->waiting);
generated by cgit v1.2.3 (git 2.0.4) at 2024-11-15 04:10:00 +0000