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Merge branch 'for-linus' of git://git.kernel.dk/linux-2.6-block

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* 'for-linus' of git://git.kernel.dk/linux-2.6-block:
  Commands needing to be retried require a complete re-initialization.
This commit is contained in:
Linus Torvalds 2008-12-13 11:28:13 -08:00
commit 8d9c02ec76
2 changed files with 19 additions and 11 deletions
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18
drivers/cdrom/cdrom.c
View File

@ -2081,10 +2081,6 @@ static int cdrom_read_cdda_bpc(struct cdrom_device_info *cdi, __u8 __user *ubuf,
if (!q)
return -ENXIO;
rq = blk_get_request(q, READ, GFP_KERNEL);
if (!rq)
return -ENOMEM;
cdi->last_sense = 0;
while (nframes) {
@ -2096,9 +2092,17 @@ static int cdrom_read_cdda_bpc(struct cdrom_device_info *cdi, __u8 __user *ubuf,
len = nr * CD_FRAMESIZE_RAW;
ret = blk_rq_map_user(q, rq, NULL, ubuf, len, GFP_KERNEL);
if (ret)
rq = blk_get_request(q, READ, GFP_KERNEL);
if (!rq) {
ret = -ENOMEM;
break;
}
ret = blk_rq_map_user(q, rq, NULL, ubuf, len, GFP_KERNEL);
if (ret) {
blk_put_request(rq);
break;
}
rq->cmd[0] = GPCMD_READ_CD;
rq->cmd[1] = 1 << 2;
@ -2124,6 +2128,7 @@ static int cdrom_read_cdda_bpc(struct cdrom_device_info *cdi, __u8 __user *ubuf,
if (blk_rq_unmap_user(bio))
ret = -EFAULT;
blk_put_request(rq);
if (ret)
break;
@ -2133,7 +2138,6 @@ static int cdrom_read_cdda_bpc(struct cdrom_device_info *cdi, __u8 __user *ubuf,
ubuf += len;
}
blk_put_request(rq);
return ret;
}

12
drivers/scsi/device_handler/scsi_dh_hp_sw.c
View File

@ -107,6 +107,7 @@ static int hp_sw_tur(struct scsi_device *sdev, struct hp_sw_dh_data *h)
struct request *req;
int ret;
retry:
req = blk_get_request(sdev->request_queue, WRITE, GFP_NOIO);
if (!req)
return SCSI_DH_RES_TEMP_UNAVAIL;
@ -121,7 +122,6 @@ static int hp_sw_tur(struct scsi_device *sdev, struct hp_sw_dh_data *h)
memset(req->sense, 0, SCSI_SENSE_BUFFERSIZE);
req->sense_len = 0;
retry:
ret = blk_execute_rq(req->q, NULL, req, 1);
if (ret == -EIO) {
if (req->sense_len > 0) {
@ -136,8 +136,10 @@ retry:
h->path_state = HP_SW_PATH_ACTIVE;
ret = SCSI_DH_OK;
}
if (ret == SCSI_DH_IMM_RETRY)
if (ret == SCSI_DH_IMM_RETRY) {
blk_put_request(req);
goto retry;
}
if (ret == SCSI_DH_DEV_OFFLINED) {
h->path_state = HP_SW_PATH_PASSIVE;
ret = SCSI_DH_OK;
@ -200,6 +202,7 @@ static int hp_sw_start_stop(struct scsi_device *sdev, struct hp_sw_dh_data *h)
struct request *req;
int ret, retry;
retry:
req = blk_get_request(sdev->request_queue, WRITE, GFP_NOIO);
if (!req)
return SCSI_DH_RES_TEMP_UNAVAIL;
@ -216,7 +219,6 @@ static int hp_sw_start_stop(struct scsi_device *sdev, struct hp_sw_dh_data *h)
req->sense_len = 0;
retry = h->retries;
retry:
ret = blk_execute_rq(req->q, NULL, req, 1);
if (ret == -EIO) {
if (req->sense_len > 0) {
@ -231,8 +233,10 @@ retry:
ret = SCSI_DH_OK;
if (ret == SCSI_DH_RETRY) {
if (--retry)
if (--retry) {
blk_put_request(req);
goto retry;
}
ret = SCSI_DH_IO;
}