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authorChristoph Hellwig <hch@lst.de>2017-01-27 09:46:29 +0100
committerJens Axboe <axboe@fb.com>2017-01-27 15:08:35 -0700
commit82ed4db499b8598f16f8871261bff088d6b0597f (patch)
treee1cc0a433bf5ae2b9723837291617bdfeeb61816 /drivers/scsi/libsas
parent8ae94eb65be9425af4d57a4f4cfebfdf03081e93 (diff)
block: split scsi_request out of struct request
And require all drivers that want to support BLOCK_PC to allocate it as the first thing of their private data. To support this the legacy IDE and BSG code is switched to set cmd_size on their queues to let the block layer allocate the additional space. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jens Axboe <axboe@fb.com>
Diffstat (limited to 'drivers/scsi/libsas')
-rw-r--r--drivers/scsi/libsas/sas_expander.c8
-rw-r--r--drivers/scsi/libsas/sas_host_smp.c38
2 files changed, 23 insertions, 23 deletions
diff --git a/drivers/scsi/libsas/sas_expander.c b/drivers/scsi/libsas/sas_expander.c
index 022bb6e10d98..570b2cb2da43 100644
--- a/drivers/scsi/libsas/sas_expander.c
+++ b/drivers/scsi/libsas/sas_expander.c
@@ -2174,12 +2174,12 @@ int sas_smp_handler(struct Scsi_Host *shost, struct sas_rphy *rphy,
bio_data(rsp->bio), blk_rq_bytes(rsp));
if (ret > 0) {
/* positive number is the untransferred residual */
- rsp->resid_len = ret;
- req->resid_len = 0;
+ scsi_req(rsp)->resid_len = ret;
+ scsi_req(req)->resid_len = 0;
ret = 0;
} else if (ret == 0) {
- rsp->resid_len = 0;
- req->resid_len = 0;
+ scsi_req(rsp)->resid_len = 0;
+ scsi_req(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 d24792575169..45cbbc44f4d7 100644
--- a/drivers/scsi/libsas/sas_host_smp.c
+++ b/drivers/scsi/libsas/sas_host_smp.c
@@ -274,15 +274,15 @@ int sas_smp_host_handler(struct Scsi_Host *shost, struct request *req,
switch (req_data[1]) {
case SMP_REPORT_GENERAL:
- req->resid_len -= 8;
- rsp->resid_len -= 32;
+ scsi_req(req)->resid_len -= 8;
+ scsi_req(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->resid_len -= 8;
- rsp->resid_len -= 64;
+ scsi_req(req)->resid_len -= 8;
+ scsi_req(rsp)->resid_len -= 64;
resp_data[2] = SMP_RESP_FUNC_ACC;
memcpy(resp_data + 12, shost->hostt->name,
SAS_EXPANDER_VENDOR_ID_LEN);
@@ -295,13 +295,13 @@ int sas_smp_host_handler(struct Scsi_Host *shost, struct request *req,
break;
case SMP_DISCOVER:
- req->resid_len -= 16;
- if ((int)req->resid_len < 0) {
- req->resid_len = 0;
+ scsi_req(req)->resid_len -= 16;
+ if ((int)scsi_req(req)->resid_len < 0) {
+ scsi_req(req)->resid_len = 0;
error = -EINVAL;
goto out;
}
- rsp->resid_len -= 56;
+ scsi_req(rsp)->resid_len -= 56;
sas_host_smp_discover(sas_ha, resp_data, req_data[9]);
break;
@@ -311,13 +311,13 @@ int sas_smp_host_handler(struct Scsi_Host *shost, struct request *req,
break;
case SMP_REPORT_PHY_SATA:
- req->resid_len -= 16;
- if ((int)req->resid_len < 0) {
- req->resid_len = 0;
+ scsi_req(req)->resid_len -= 16;
+ if ((int)scsi_req(req)->resid_len < 0) {
+ scsi_req(req)->resid_len = 0;
error = -EINVAL;
goto out;
}
- rsp->resid_len -= 60;
+ scsi_req(rsp)->resid_len -= 60;
sas_report_phy_sata(sas_ha, resp_data, req_data[9]);
break;
@@ -331,15 +331,15 @@ int sas_smp_host_handler(struct Scsi_Host *shost, struct request *req,
int to_write = req_data[4];
if (blk_rq_bytes(req) < base_frame_size + to_write * 4 ||
- req->resid_len < base_frame_size + to_write * 4) {
+ scsi_req(req)->resid_len < base_frame_size + to_write * 4) {
resp_data[2] = SMP_RESP_INV_FRM_LEN;
break;
}
to_write = sas_host_smp_write_gpio(sas_ha, resp_data, req_data[2],
req_data[3], to_write, &req_data[8]);
- req->resid_len -= base_frame_size + to_write * 4;
- rsp->resid_len -= 8;
+ scsi_req(req)->resid_len -= base_frame_size + to_write * 4;
+ scsi_req(rsp)->resid_len -= 8;
break;
}
@@ -348,13 +348,13 @@ int sas_smp_host_handler(struct Scsi_Host *shost, struct request *req,
break;
case SMP_PHY_CONTROL:
- req->resid_len -= 44;
- if ((int)req->resid_len < 0) {
- req->resid_len = 0;
+ scsi_req(req)->resid_len -= 44;
+ if ((int)scsi_req(req)->resid_len < 0) {
+ scsi_req(req)->resid_len = 0;
error = -EINVAL;
goto out;
}
- rsp->resid_len -= 8;
+ scsi_req(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);