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| author | Mike Anderson <andmike@linux.vnet.ibm.com> | 2008-08-12 12:11:57 -0700 |
|---|---|---|
| committer | James Bottomley <James.Bottomley@HansenPartnership.com> | 2008-08-29 09:13:51 -0500 |
| commit | c7dbb627a2505f42b2e6b3581f3716d73453dd0c (patch) | |
| tree | 15e1f8f906a9221b13c66b37ea2963e29b2bd888 | |
| parent | 025270f0eaa2def673747ed6f77cca41f694f354 (diff) | |
| download | linux-c7dbb627a2505f42b2e6b3581f3716d73453dd0c.tar.gz | |
[SCSI] scsi_dh: make check_sense return ADD_TO_MLQUEUE
Change scsi_dh check_sense functions to return ADD_TO_MLQUEUE to allow retries to occur without restriction of blk_noretry_request check. Signed-off-by: Mike Anderson <andmike@linux.vnet.ibm.com> Acked-by: Chandra Seetharaman <sekharan@us.ibm.com> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
| -rw-r--r-- | drivers/scsi/device_handler/scsi_dh_alua.c | 12 | ||||
| -rw-r--r-- | drivers/scsi/device_handler/scsi_dh_emc.c | 4 | ||||
| -rw-r--r-- | drivers/scsi/device_handler/scsi_dh_rdac.c | 4 |
3 files changed, 10 insertions, 10 deletions
diff --git a/drivers/scsi/device_handler/scsi_dh_alua.c b/drivers/scsi/device_handler/scsi_dh_alua.c index 994da56fffed..708e475896b9 100644 --- a/drivers/scsi/device_handler/scsi_dh_alua.c +++ b/drivers/scsi/device_handler/scsi_dh_alua.c @@ -425,7 +425,7 @@ static int alua_check_sense(struct scsi_device *sdev, /* * LUN Not Accessible - ALUA state transition */ - return NEEDS_RETRY; + return ADD_TO_MLQUEUE; if (sense_hdr->asc == 0x04 && sense_hdr->ascq == 0x0b) /* * LUN Not Accessible -- Target port in standby state @@ -447,18 +447,18 @@ static int alua_check_sense(struct scsi_device *sdev, /* * Power On, Reset, or Bus Device Reset, just retry. */ - return NEEDS_RETRY; + return ADD_TO_MLQUEUE; if (sense_hdr->asc == 0x2a && sense_hdr->ascq == 0x06) { /* * ALUA state changed */ - return NEEDS_RETRY; + return ADD_TO_MLQUEUE; } if (sense_hdr->asc == 0x2a && sense_hdr->ascq == 0x07) { /* * Implicit ALUA state transition failed */ - return NEEDS_RETRY; + return ADD_TO_MLQUEUE; } break; } @@ -490,7 +490,7 @@ static int alua_stpg(struct scsi_device *sdev, int state, if (!err) return SCSI_DH_IO; err = alua_check_sense(sdev, &sense_hdr); - if (retry > 0 && err == NEEDS_RETRY) { + if (retry > 0 && err == ADD_TO_MLQUEUE) { retry--; goto retry; } @@ -535,7 +535,7 @@ static int alua_rtpg(struct scsi_device *sdev, struct alua_dh_data *h) return SCSI_DH_IO; err = alua_check_sense(sdev, &sense_hdr); - if (err == NEEDS_RETRY) + if (err == ADD_TO_MLQUEUE) goto retry; sdev_printk(KERN_INFO, sdev, "%s: rtpg sense code %02x/%02x/%02x\n", diff --git a/drivers/scsi/device_handler/scsi_dh_emc.c b/drivers/scsi/device_handler/scsi_dh_emc.c index b9d23e9e9a44..ef693e8412e9 100644 --- a/drivers/scsi/device_handler/scsi_dh_emc.c +++ b/drivers/scsi/device_handler/scsi_dh_emc.c @@ -439,7 +439,7 @@ static int clariion_check_sense(struct scsi_device *sdev, * Unit Attention Code. This is the first IO * to the new path, so just retry. */ - return NEEDS_RETRY; + return ADD_TO_MLQUEUE; break; } @@ -514,7 +514,7 @@ retry: return SCSI_DH_IO; err = clariion_check_sense(sdev, &sshdr); - if (retry > 0 && err == NEEDS_RETRY) { + if (retry > 0 && err == ADD_TO_MLQUEUE) { retry--; goto retry; } diff --git a/drivers/scsi/device_handler/scsi_dh_rdac.c b/drivers/scsi/device_handler/scsi_dh_rdac.c index 2dee69da35cf..6e2f130d56de 100644 --- a/drivers/scsi/device_handler/scsi_dh_rdac.c +++ b/drivers/scsi/device_handler/scsi_dh_rdac.c @@ -551,7 +551,7 @@ static int rdac_check_sense(struct scsi_device *sdev, * * Just retry and wait. */ - return NEEDS_RETRY; + return ADD_TO_MLQUEUE; break; case ILLEGAL_REQUEST: if (sense_hdr->asc == 0x94 && sense_hdr->ascq == 0x01) { @@ -568,7 +568,7 @@ static int rdac_check_sense(struct scsi_device *sdev, /* * Power On, Reset, or Bus Device Reset, just retry. */ - return NEEDS_RETRY; + return ADD_TO_MLQUEUE; break; } /* success just means we do not care what scsi-ml does */ |