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authorLinus Torvalds <torvalds@linux-foundation.org>2008-01-29 08:51:32 +1100
committerLinus Torvalds <torvalds@linux-foundation.org>2008-01-29 08:51:32 +1100
commitf0f0052069989b80d2a3e50c9cd2f2a650bc1aea (patch)
tree40ff39bc341aed8318a54d1bd61a381f41844f71 /drivers/block/sx8.c
parent68fbda7de07e56eb90dd6e58a162527411b388b1 (diff)
parenta65b58663d983e588aed8d1bfc75edaac2527fa7 (diff)
downloadop-kernel-dev-f0f0052069989b80d2a3e50c9cd2f2a650bc1aea.zip
op-kernel-dev-f0f0052069989b80d2a3e50c9cd2f2a650bc1aea.tar.gz
Merge branch 'blk-end-request' of git://git.kernel.dk/linux-2.6-block
* 'blk-end-request' of git://git.kernel.dk/linux-2.6-block: (30 commits) blk_end_request: changing xsysace (take 4) blk_end_request: changing ub (take 4) blk_end_request: cleanup of request completion (take 4) blk_end_request: cleanup 'uptodate' related code (take 4) blk_end_request: remove/unexport end_that_request_* (take 4) blk_end_request: changing scsi (take 4) blk_end_request: add bidi completion interface (take 4) blk_end_request: changing ide-cd (take 4) blk_end_request: add callback feature (take 4) blk_end_request: changing ide normal caller (take 4) blk_end_request: changing cpqarray (take 4) blk_end_request: changing cciss (take 4) blk_end_request: changing ide-scsi (take 4) blk_end_request: changing s390 (take 4) blk_end_request: changing mmc (take 4) blk_end_request: changing i2o_block (take 4) blk_end_request: changing viocd (take 4) blk_end_request: changing xen-blkfront (take 4) blk_end_request: changing viodasd (take 4) blk_end_request: changing sx8 (take 4) ...
Diffstat (limited to 'drivers/block/sx8.c')
-rw-r--r--drivers/block/sx8.c58
1 files changed, 28 insertions, 30 deletions
diff --git a/drivers/block/sx8.c b/drivers/block/sx8.c
index 52dc5e1..cd5674b 100644
--- a/drivers/block/sx8.c
+++ b/drivers/block/sx8.c
@@ -744,16 +744,14 @@ static unsigned int carm_fill_get_fw_ver(struct carm_host *host,
static inline void carm_end_request_queued(struct carm_host *host,
struct carm_request *crq,
- int uptodate)
+ int error)
{
struct request *req = crq->rq;
int rc;
- rc = end_that_request_first(req, uptodate, req->hard_nr_sectors);
+ rc = __blk_end_request(req, error, blk_rq_bytes(req));
assert(rc == 0);
- end_that_request_last(req, uptodate);
-
rc = carm_put_request(host, crq);
assert(rc == 0);
}
@@ -793,9 +791,9 @@ static inline void carm_round_robin(struct carm_host *host)
}
static inline void carm_end_rq(struct carm_host *host, struct carm_request *crq,
- int is_ok)
+ int error)
{
- carm_end_request_queued(host, crq, is_ok);
+ carm_end_request_queued(host, crq, error);
if (max_queue == 1)
carm_round_robin(host);
else if ((host->n_msgs <= CARM_MSG_LOW_WATER) &&
@@ -873,14 +871,14 @@ queue_one_request:
sg = &crq->sg[0];
n_elem = blk_rq_map_sg(q, rq, sg);
if (n_elem <= 0) {
- carm_end_rq(host, crq, 0);
+ carm_end_rq(host, crq, -EIO);
return; /* request with no s/g entries? */
}
/* map scatterlist to PCI bus addresses */
n_elem = pci_map_sg(host->pdev, sg, n_elem, pci_dir);
if (n_elem <= 0) {
- carm_end_rq(host, crq, 0);
+ carm_end_rq(host, crq, -EIO);
return; /* request with no s/g entries? */
}
crq->n_elem = n_elem;
@@ -941,7 +939,7 @@ queue_one_request:
static void carm_handle_array_info(struct carm_host *host,
struct carm_request *crq, u8 *mem,
- int is_ok)
+ int error)
{
struct carm_port *port;
u8 *msg_data = mem + sizeof(struct carm_array_info);
@@ -952,9 +950,9 @@ static void carm_handle_array_info(struct carm_host *host,
DPRINTK("ENTER\n");
- carm_end_rq(host, crq, is_ok);
+ carm_end_rq(host, crq, error);
- if (!is_ok)
+ if (error)
goto out;
if (le32_to_cpu(desc->array_status) & ARRAY_NO_EXIST)
goto out;
@@ -1001,7 +999,7 @@ out:
static void carm_handle_scan_chan(struct carm_host *host,
struct carm_request *crq, u8 *mem,
- int is_ok)
+ int error)
{
u8 *msg_data = mem + IOC_SCAN_CHAN_OFFSET;
unsigned int i, dev_count = 0;
@@ -1009,9 +1007,9 @@ static void carm_handle_scan_chan(struct carm_host *host,
DPRINTK("ENTER\n");
- carm_end_rq(host, crq, is_ok);
+ carm_end_rq(host, crq, error);
- if (!is_ok) {
+ if (error) {
new_state = HST_ERROR;
goto out;
}
@@ -1033,23 +1031,23 @@ out:
}
static void carm_handle_generic(struct carm_host *host,
- struct carm_request *crq, int is_ok,
+ struct carm_request *crq, int error,
int cur_state, int next_state)
{
DPRINTK("ENTER\n");
- carm_end_rq(host, crq, is_ok);
+ carm_end_rq(host, crq, error);
assert(host->state == cur_state);
- if (is_ok)
- host->state = next_state;
- else
+ if (error)
host->state = HST_ERROR;
+ else
+ host->state = next_state;
schedule_work(&host->fsm_task);
}
static inline void carm_handle_rw(struct carm_host *host,
- struct carm_request *crq, int is_ok)
+ struct carm_request *crq, int error)
{
int pci_dir;
@@ -1062,7 +1060,7 @@ static inline void carm_handle_rw(struct carm_host *host,
pci_unmap_sg(host->pdev, &crq->sg[0], crq->n_elem, pci_dir);
- carm_end_rq(host, crq, is_ok);
+ carm_end_rq(host, crq, error);
}
static inline void carm_handle_resp(struct carm_host *host,
@@ -1071,7 +1069,7 @@ static inline void carm_handle_resp(struct carm_host *host,
u32 handle = le32_to_cpu(ret_handle_le);
unsigned int msg_idx;
struct carm_request *crq;
- int is_ok = (status == RMSG_OK);
+ int error = (status == RMSG_OK) ? 0 : -EIO;
u8 *mem;
VPRINTK("ENTER, handle == 0x%x\n", handle);
@@ -1090,7 +1088,7 @@ static inline void carm_handle_resp(struct carm_host *host,
/* fast path */
if (likely(crq->msg_type == CARM_MSG_READ ||
crq->msg_type == CARM_MSG_WRITE)) {
- carm_handle_rw(host, crq, is_ok);
+ carm_handle_rw(host, crq, error);
return;
}
@@ -1100,7 +1098,7 @@ static inline void carm_handle_resp(struct carm_host *host,
case CARM_MSG_IOCTL: {
switch (crq->msg_subtype) {
case CARM_IOC_SCAN_CHAN:
- carm_handle_scan_chan(host, crq, mem, is_ok);
+ carm_handle_scan_chan(host, crq, mem, error);
break;
default:
/* unknown / invalid response */
@@ -1112,21 +1110,21 @@ static inline void carm_handle_resp(struct carm_host *host,
case CARM_MSG_MISC: {
switch (crq->msg_subtype) {
case MISC_ALLOC_MEM:
- carm_handle_generic(host, crq, is_ok,
+ carm_handle_generic(host, crq, error,
HST_ALLOC_BUF, HST_SYNC_TIME);
break;
case MISC_SET_TIME:
- carm_handle_generic(host, crq, is_ok,
+ carm_handle_generic(host, crq, error,
HST_SYNC_TIME, HST_GET_FW_VER);
break;
case MISC_GET_FW_VER: {
struct carm_fw_ver *ver = (struct carm_fw_ver *)
mem + sizeof(struct carm_msg_get_fw_ver);
- if (is_ok) {
+ if (!error) {
host->fw_ver = le32_to_cpu(ver->version);
host->flags |= (ver->features & FL_FW_VER_MASK);
}
- carm_handle_generic(host, crq, is_ok,
+ carm_handle_generic(host, crq, error,
HST_GET_FW_VER, HST_PORT_SCAN);
break;
}
@@ -1140,7 +1138,7 @@ static inline void carm_handle_resp(struct carm_host *host,
case CARM_MSG_ARRAY: {
switch (crq->msg_subtype) {
case CARM_ARRAY_INFO:
- carm_handle_array_info(host, crq, mem, is_ok);
+ carm_handle_array_info(host, crq, mem, error);
break;
default:
/* unknown / invalid response */
@@ -1159,7 +1157,7 @@ static inline void carm_handle_resp(struct carm_host *host,
err_out:
printk(KERN_WARNING DRV_NAME "(%s): BUG: unhandled message type %d/%d\n",
pci_name(host->pdev), crq->msg_type, crq->msg_subtype);
- carm_end_rq(host, crq, 0);
+ carm_end_rq(host, crq, -EIO);
}
static inline void carm_handle_responses(struct carm_host *host)
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