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If a device is not ONLINE, do not attempt to submit any commands

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or I/O to the volume.  This solves a panic when removing a disk in
a RAID 0 volume.

Reported by:	le
This commit is contained in:
ps 2004-06-15 19:40:47 +00:00
parent 72b65ac70d
commit 6e7aa9fe96
1 changed files with 4 additions and 23 deletions
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27
sys/dev/ciss/ciss.c
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@ -2613,35 +2613,16 @@ ciss_cam_emulate(struct ciss_softc *sc, struct ccb_scsiio *csio)
*(u_int8_t *)csio->cdb_io.cdb_ptr : csio->cdb_io.cdb_bytes[0];
/*
* Handle requests for volumes that don't exist. A selection timeout
* is slightly better than an illegal request. Other errors might be
* better.
* Handle requests for volumes that don't exist or are not online.
* A selection timeout is slightly better than an illegal request.
* Other errors might be better.
*/
if (sc->ciss_logical[bus][target].cl_status == CISS_LD_NONEXISTENT) {
if (sc->ciss_logical[bus][target].cl_status != CISS_LD_ONLINE) {
csio->ccb_h.status = CAM_SEL_TIMEOUT;
xpt_done((union ccb *)csio);
return(1);
}
/*
* Handle requests for volumes that exist but are offline.
*
* I/O operations should fail, everything else should work.
*/
if (sc->ciss_logical[bus][target].cl_status == CISS_LD_OFFLINE) {
switch(opcode) {
case READ_6:
case READ_10:
case READ_12:
case WRITE_6:
case WRITE_10:
case WRITE_12:
csio->ccb_h.status = CAM_SEL_TIMEOUT;
xpt_done((union ccb *)csio);
return(1);
}
}
/* if we have to fake Synchronise Cache */
if (sc->ciss_flags & CISS_FLAG_FAKE_SYNCH) {
/*