block: remove wrappers for request type/flags
Remove all the trivial wrappers for the cmd_type and cmd_flags fields in
struct requests. This allows much easier grepping for different request
types instead of unwinding through macros.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c
index 10a0268..11b3777 100644
--- a/drivers/block/cciss.c
+++ b/drivers/block/cciss.c
@@ -1783,7 +1783,7 @@
#endif /* CCISS_DEBUG */
/* set the residual count for pc requests */
- if (blk_pc_request(rq))
+ if (rq->cmd_type == REQ_TYPE_BLOCK_PC)
rq->resid_len = cmd->err_info->ResidualCnt;
blk_end_request_all(rq, (rq->errors == 0) ? 0 : -EIO);
@@ -2983,7 +2983,7 @@
driver_byte = DRIVER_OK;
msg_byte = cmd->err_info->CommandStatus; /* correct? seems too device specific */
- if (blk_pc_request(cmd->rq))
+ if (cmd->rq->cmd_type == REQ_TYPE_BLOCK_PC)
host_byte = DID_PASSTHROUGH;
else
host_byte = DID_OK;
@@ -2992,7 +2992,7 @@
host_byte, driver_byte);
if (cmd->err_info->ScsiStatus != SAM_STAT_CHECK_CONDITION) {
- if (!blk_pc_request(cmd->rq))
+ if (cmd->rq->cmd_type != REQ_TYPE_BLOCK_PC)
printk(KERN_WARNING "cciss: cmd %p "
"has SCSI Status 0x%x\n",
cmd, cmd->err_info->ScsiStatus);
@@ -3002,15 +3002,17 @@
/* check the sense key */
sense_key = 0xf & cmd->err_info->SenseInfo[2];
/* no status or recovered error */
- if (((sense_key == 0x0) || (sense_key == 0x1)) && !blk_pc_request(cmd->rq))
+ if (((sense_key == 0x0) || (sense_key == 0x1)) &&
+ (cmd->rq->cmd_type != REQ_TYPE_BLOCK_PC))
error_value = 0;
if (check_for_unit_attention(h, cmd)) {
- *retry_cmd = !blk_pc_request(cmd->rq);
+ *retry_cmd = !(cmd->rq->cmd_type == REQ_TYPE_BLOCK_PC);
return 0;
}
- if (!blk_pc_request(cmd->rq)) { /* Not SG_IO or similar? */
+ /* Not SG_IO or similar? */
+ if (cmd->rq->cmd_type != REQ_TYPE_BLOCK_PC) {
if (error_value != 0)
printk(KERN_WARNING "cciss: cmd %p has CHECK CONDITION"
" sense key = 0x%x\n", cmd, sense_key);
@@ -3052,7 +3054,7 @@
rq->errors = evaluate_target_status(h, cmd, &retry_cmd);
break;
case CMD_DATA_UNDERRUN:
- if (blk_fs_request(cmd->rq)) {
+ if (cmd->rq->cmd_type == REQ_TYPE_FS) {
printk(KERN_WARNING "cciss: cmd %p has"
" completed with data underrun "
"reported\n", cmd);
@@ -3060,7 +3062,7 @@
}
break;
case CMD_DATA_OVERRUN:
- if (blk_fs_request(cmd->rq))
+ if (cmd->rq->cmd_type == REQ_TYPE_FS)
printk(KERN_WARNING "cciss: cmd %p has"
" completed with data overrun "
"reported\n", cmd);
@@ -3070,42 +3072,48 @@
"reported invalid\n", cmd);
rq->errors = make_status_bytes(SAM_STAT_GOOD,
cmd->err_info->CommandStatus, DRIVER_OK,
- blk_pc_request(cmd->rq) ? DID_PASSTHROUGH : DID_ERROR);
+ (cmd->rq->cmd_type == REQ_TYPE_BLOCK_PC) ?
+ DID_PASSTHROUGH : DID_ERROR);
break;
case CMD_PROTOCOL_ERR:
printk(KERN_WARNING "cciss: cmd %p has "
"protocol error \n", cmd);
rq->errors = make_status_bytes(SAM_STAT_GOOD,
cmd->err_info->CommandStatus, DRIVER_OK,
- blk_pc_request(cmd->rq) ? DID_PASSTHROUGH : DID_ERROR);
+ (cmd->rq->cmd_type == REQ_TYPE_BLOCK_PC) ?
+ DID_PASSTHROUGH : DID_ERROR);
break;
case CMD_HARDWARE_ERR:
printk(KERN_WARNING "cciss: cmd %p had "
" hardware error\n", cmd);
rq->errors = make_status_bytes(SAM_STAT_GOOD,
cmd->err_info->CommandStatus, DRIVER_OK,
- blk_pc_request(cmd->rq) ? DID_PASSTHROUGH : DID_ERROR);
+ (cmd->rq->cmd_type == REQ_TYPE_BLOCK_PC) ?
+ DID_PASSTHROUGH : DID_ERROR);
break;
case CMD_CONNECTION_LOST:
printk(KERN_WARNING "cciss: cmd %p had "
"connection lost\n", cmd);
rq->errors = make_status_bytes(SAM_STAT_GOOD,
cmd->err_info->CommandStatus, DRIVER_OK,
- blk_pc_request(cmd->rq) ? DID_PASSTHROUGH : DID_ERROR);
+ (cmd->rq->cmd_type == REQ_TYPE_BLOCK_PC) ?
+ DID_PASSTHROUGH : DID_ERROR);
break;
case CMD_ABORTED:
printk(KERN_WARNING "cciss: cmd %p was "
"aborted\n", cmd);
rq->errors = make_status_bytes(SAM_STAT_GOOD,
cmd->err_info->CommandStatus, DRIVER_OK,
- blk_pc_request(cmd->rq) ? DID_PASSTHROUGH : DID_ABORT);
+ (cmd->rq->cmd_type == REQ_TYPE_BLOCK_PC) ?
+ DID_PASSTHROUGH : DID_ABORT);
break;
case CMD_ABORT_FAILED:
printk(KERN_WARNING "cciss: cmd %p reports "
"abort failed\n", cmd);
rq->errors = make_status_bytes(SAM_STAT_GOOD,
cmd->err_info->CommandStatus, DRIVER_OK,
- blk_pc_request(cmd->rq) ? DID_PASSTHROUGH : DID_ERROR);
+ (cmd->rq->cmd_type == REQ_TYPE_BLOCK_PC) ?
+ DID_PASSTHROUGH : DID_ERROR);
break;
case CMD_UNSOLICITED_ABORT:
printk(KERN_WARNING "cciss%d: unsolicited "
@@ -3121,13 +3129,15 @@
"many times\n", h->ctlr, cmd);
rq->errors = make_status_bytes(SAM_STAT_GOOD,
cmd->err_info->CommandStatus, DRIVER_OK,
- blk_pc_request(cmd->rq) ? DID_PASSTHROUGH : DID_ABORT);
+ (cmd->rq->cmd_type == REQ_TYPE_BLOCK_PC) ?
+ DID_PASSTHROUGH : DID_ABORT);
break;
case CMD_TIMEOUT:
printk(KERN_WARNING "cciss: cmd %p timedout\n", cmd);
rq->errors = make_status_bytes(SAM_STAT_GOOD,
cmd->err_info->CommandStatus, DRIVER_OK,
- blk_pc_request(cmd->rq) ? DID_PASSTHROUGH : DID_ERROR);
+ (cmd->rq->cmd_type == REQ_TYPE_BLOCK_PC) ?
+ DID_PASSTHROUGH : DID_ERROR);
break;
default:
printk(KERN_WARNING "cciss: cmd %p returned "
@@ -3135,7 +3145,8 @@
cmd->err_info->CommandStatus);
rq->errors = make_status_bytes(SAM_STAT_GOOD,
cmd->err_info->CommandStatus, DRIVER_OK,
- blk_pc_request(cmd->rq) ? DID_PASSTHROUGH : DID_ERROR);
+ (cmd->rq->cmd_type == REQ_TYPE_BLOCK_PC) ?
+ DID_PASSTHROUGH : DID_ERROR);
}
after_error_processing:
@@ -3294,7 +3305,7 @@
c->Header.SGList = h->max_cmd_sgentries;
set_performant_mode(h, c);
- if (likely(blk_fs_request(creq))) {
+ if (likely(creq->cmd_type == REQ_TYPE_FS)) {
if(h->cciss_read == CCISS_READ_10) {
c->Request.CDB[1] = 0;
c->Request.CDB[2] = (start_blk >> 24) & 0xff; /* MSB */
@@ -3324,7 +3335,7 @@
c->Request.CDB[13]= blk_rq_sectors(creq) & 0xff;
c->Request.CDB[14] = c->Request.CDB[15] = 0;
}
- } else if (blk_pc_request(creq)) {
+ } else if (creq->cmd_type == REQ_TYPE_BLOCK_PC) {
c->Request.CDBLen = creq->cmd_len;
memcpy(c->Request.CDB, creq->cmd, BLK_MAX_CDB);
} else {
diff --git a/drivers/block/hd.c b/drivers/block/hd.c
index 81c78b3..30ec6b3 100644
--- a/drivers/block/hd.c
+++ b/drivers/block/hd.c
@@ -627,7 +627,7 @@
req_data_dir(req) == READ ? "read" : "writ",
cyl, head, sec, nsect, req->buffer);
#endif
- if (blk_fs_request(req)) {
+ if (req->cmd_type == REQ_TYPE_FS) {
switch (rq_data_dir(req)) {
case READ:
hd_out(disk, nsect, sec, head, cyl, ATA_CMD_PIO_READ,
diff --git a/drivers/block/mg_disk.c b/drivers/block/mg_disk.c
index 28db925..b82c5ce 100644
--- a/drivers/block/mg_disk.c
+++ b/drivers/block/mg_disk.c
@@ -670,7 +670,7 @@
break;
}
- if (unlikely(!blk_fs_request(host->req))) {
+ if (unlikely(host->req->cmd_type != REQ_TYPE_FS)) {
mg_end_request_cur(host, -EIO);
continue;
}
@@ -756,7 +756,7 @@
continue;
}
- if (unlikely(!blk_fs_request(req))) {
+ if (unlikely(req->cmd_type != REQ_TYPE_FS)) {
mg_end_request_cur(host, -EIO);
continue;
}
diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c
index 218d091..2e74e7d 100644
--- a/drivers/block/nbd.c
+++ b/drivers/block/nbd.c
@@ -448,7 +448,7 @@
static void nbd_handle_req(struct nbd_device *lo, struct request *req)
{
- if (!blk_fs_request(req))
+ if (req->cmd_type != REQ_TYPE_FS)
goto error_out;
nbd_cmd(req) = NBD_CMD_READ;
diff --git a/drivers/block/osdblk.c b/drivers/block/osdblk.c
index 6cd8b70..819002b 100644
--- a/drivers/block/osdblk.c
+++ b/drivers/block/osdblk.c
@@ -310,7 +310,8 @@
break;
/* filter out block requests we don't understand */
- if (!blk_fs_request(rq) && !blk_barrier_rq(rq)) {
+ if (rq->cmd_type != REQ_TYPE_FS &&
+ !(rq->cmd_flags & REQ_HARDBARRIER)) {
blk_end_request_all(rq, 0);
continue;
}
diff --git a/drivers/block/paride/pd.c b/drivers/block/paride/pd.c
index c1e5cd0..4e8b9bf 100644
--- a/drivers/block/paride/pd.c
+++ b/drivers/block/paride/pd.c
@@ -439,7 +439,7 @@
static enum action do_pd_io_start(void)
{
- if (blk_special_request(pd_req)) {
+ if (pd_req->cmd_type == REQ_TYPE_SPECIAL) {
phase = pd_special;
return pd_special();
}
diff --git a/drivers/block/ps3disk.c b/drivers/block/ps3disk.c
index 3b419e3..5f208c0 100644
--- a/drivers/block/ps3disk.c
+++ b/drivers/block/ps3disk.c
@@ -196,7 +196,7 @@
dev_dbg(&dev->sbd.core, "%s:%u\n", __func__, __LINE__);
while ((req = blk_fetch_request(q))) {
- if (blk_fs_request(req)) {
+ if (req->cmd_type == REQ_TYPE_FS) {
if (ps3disk_submit_request_sg(dev, req))
break;
} else if (req->cmd_type == REQ_TYPE_LINUX_BLOCK &&
diff --git a/drivers/block/ub.c b/drivers/block/ub.c
index 0536b5b..034b344 100644
--- a/drivers/block/ub.c
+++ b/drivers/block/ub.c
@@ -648,7 +648,7 @@
return 0;
}
- if (lun->changed && !blk_pc_request(rq)) {
+ if (lun->changed && rq->cmd_type != REQ_TYPE_BLOCK_PC)
blk_start_request(rq);
ub_end_rq(rq, SAM_STAT_CHECK_CONDITION);
return 0;
@@ -684,7 +684,7 @@
}
urq->nsg = n_elem;
- if (blk_pc_request(rq)) {
+ if (rq->cmd_type == REQ_TYPE_BLOCK_PC) {
ub_cmd_build_packet(sc, lun, cmd, urq);
} else {
ub_cmd_build_block(sc, lun, cmd, urq);
@@ -781,7 +781,7 @@
rq = urq->rq;
if (cmd->error == 0) {
- if (blk_pc_request(rq)) {
+ if (rq->cmd_type == REQ_TYPE_BLOCK_PC) {
if (cmd->act_len >= rq->resid_len)
rq->resid_len = 0;
else
@@ -795,7 +795,7 @@
}
}
} else {
- if (blk_pc_request(rq)) {
+ if (rq->cmd_type == REQ_TYPE_BLOCK_PC) {
/* UB_SENSE_SIZE is smaller than SCSI_SENSE_BUFFERSIZE */
memcpy(rq->sense, sc->top_sense, UB_SENSE_SIZE);
rq->sense_len = UB_SENSE_SIZE;
diff --git a/drivers/block/viodasd.c b/drivers/block/viodasd.c
index 788d938..5663d3c 100644
--- a/drivers/block/viodasd.c
+++ b/drivers/block/viodasd.c
@@ -361,7 +361,7 @@
if (req == NULL)
return;
/* check that request contains a valid command */
- if (!blk_fs_request(req)) {
+ if (req->cmd_type != REQ_TYPE_FS) {
viodasd_end_request(req, -EIO, blk_rq_sectors(req));
continue;
}
diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c
index 258bc2a..7741443 100644
--- a/drivers/block/virtio_blk.c
+++ b/drivers/block/virtio_blk.c
@@ -65,13 +65,16 @@
break;
}
- if (blk_pc_request(vbr->req)) {
+ switch (vbr->req->cmd_type) {
+ case REQ_TYPE_BLOCK_PC:
vbr->req->resid_len = vbr->in_hdr.residual;
vbr->req->sense_len = vbr->in_hdr.sense_len;
vbr->req->errors = vbr->in_hdr.errors;
- }
- if (blk_special_request(vbr->req))
+ break;
+ case REQ_TYPE_SPECIAL:
vbr->req->errors = (error != 0);
+ break;
+ }
__blk_end_request_all(vbr->req, error);
list_del(&vbr->list);
@@ -123,7 +126,7 @@
BUG();
}
- if (blk_barrier_rq(vbr->req))
+ if (vbr->req->cmd_flags & REQ_HARDBARRIER)
vbr->out_hdr.type |= VIRTIO_BLK_T_BARRIER;
sg_set_buf(&vblk->sg[out++], &vbr->out_hdr, sizeof(vbr->out_hdr));
@@ -134,12 +137,12 @@
* block, and before the normal inhdr we put the sense data and the
* inhdr with additional status information before the normal inhdr.
*/
- if (blk_pc_request(vbr->req))
+ if (vbr->req->cmd_type == REQ_TYPE_BLOCK_PC)
sg_set_buf(&vblk->sg[out++], vbr->req->cmd, vbr->req->cmd_len);
num = blk_rq_map_sg(q, vbr->req, vblk->sg + out);
- if (blk_pc_request(vbr->req)) {
+ if (vbr->req->cmd_type == REQ_TYPE_BLOCK_PC) {
sg_set_buf(&vblk->sg[num + out + in++], vbr->req->sense, 96);
sg_set_buf(&vblk->sg[num + out + in++], &vbr->in_hdr,
sizeof(vbr->in_hdr));
diff --git a/drivers/block/xd.c b/drivers/block/xd.c
index 18a80ff..4dc2983 100644
--- a/drivers/block/xd.c
+++ b/drivers/block/xd.c
@@ -322,7 +322,7 @@
int res = -EIO;
int retry;
- if (!blk_fs_request(req))
+ if (req->cmd_type != REQ_TYPE_FS) {
goto done;
if (block + count > get_capacity(req->rq_disk))
goto done;
diff --git a/drivers/block/xen-blkfront.c b/drivers/block/xen-blkfront.c
index 82ed403..495533e 100644
--- a/drivers/block/xen-blkfront.c
+++ b/drivers/block/xen-blkfront.c
@@ -238,7 +238,7 @@
ring_req->operation = rq_data_dir(req) ?
BLKIF_OP_WRITE : BLKIF_OP_READ;
- if (blk_barrier_rq(req))
+ if (req->cmd_flags & REQ_HARDBARRIER)
ring_req->operation = BLKIF_OP_WRITE_BARRIER;
ring_req->nr_segments = blk_rq_map_sg(req->q, req, info->sg);
@@ -309,7 +309,7 @@
blk_start_request(req);
- if (!blk_fs_request(req)) {
+ if (req->cmd_type != REQ_TYPE_FS) {
__blk_end_request_all(req, -EIO);
continue;
}
diff --git a/drivers/block/xsysace.c b/drivers/block/xsysace.c
index a7b83c0..ac278ac 100644
--- a/drivers/block/xsysace.c
+++ b/drivers/block/xsysace.c
@@ -465,7 +465,7 @@
struct request *req;
while ((req = blk_peek_request(q)) != NULL) {
- if (blk_fs_request(req))
+ if (req->cmd_type == REQ_TYPE_FS)
break;
blk_start_request(req);
__blk_end_request_all(req, -EIO);