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Don't overload the CCB status field within the driver.

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Obtained from:	Netflix, Inc.
MFC after:	2 days
This commit is contained in:
Scott Long 2014-07-01 10:51:20 +00:00
parent 350d51816e
commit 9b6ea4e794
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=268088
1 changed files with 4 additions and 3 deletions
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7
sys/dev/mps/mps_sas.c
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@ -1852,7 +1852,7 @@ mpssas_action_scsiio(struct mpssas_softc *sassc, union ccb *ccb)
* the I/O to the IR volume itself.
*/
if (sc->WD_valid_config) {
if (mpssas_get_ccbstatus(ccb) != MPS_WD_RETRY) {
if (ccb->ccb_h.sim_priv.entries[0].field == MPS_WD_RETRY) {
mpssas_direct_drive_io(sassc, cm, ccb);
} else {
mpssas_set_ccbstatus(ccb, CAM_REQ_INPROG);
@ -2219,10 +2219,11 @@ mpssas_scsiio_complete(struct mps_softc *sc, struct mps_command *cm)
*/
if (cm->cm_flags & MPS_CM_FLAGS_DD_IO) {
mps_free_command(sc, cm);
mpssas_set_ccbstatus(ccb, MPS_WD_RETRY);
ccb->ccb_h.sim_priv.entries[0].field = MPS_WD_RETRY;
mpssas_action_scsiio(sassc, ccb);
return;
}
} else
ccb->ccb_h.sim_priv.entries[0].field = 0;
switch (le16toh(rep->IOCStatus) & MPI2_IOCSTATUS_MASK) {
case MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN: