[SCSI] fusion: remove VMWare guest OS remounted as read only work around
authorEric Moore <eric.moore@lsi.com>
Mon, 19 Mar 2007 16:31:51 +0000 (10:31 -0600)
committerJames Bottomley <jejb@mulgrave.il.steeleye.com>
Tue, 20 Mar 2007 16:31:51 +0000 (11:31 -0500)
This address the issue of VMWare guest OS being remounted as read-only
becuase the underlying device was held busy too long and at the
same time address Engenio MPP driver concerns over infinite retries.
This patch removes the code that snoops the SAM STATUS on busy, which
would be returning DID_BUS_BUSY, instead we return the status as is.
Retry hanlding seems to be properly handled in scsi_softirq_done,
where a busy sam status would only occurr for the time specified by
(cmd->allowed +1) * cmd->timeout_per_command.

Signed-off-by: Eric Moore <Eric.Moore@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
drivers/message/fusion/mptscsih.c

index 537fcc2..fa0f776 100644 (file)
@@ -819,10 +819,7 @@ mptscsih_io_done(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *mr)
                        sc->resid=0;
                case MPI_IOCSTATUS_SCSI_RECOVERED_ERROR:        /* 0x0040 */
                case MPI_IOCSTATUS_SUCCESS:                     /* 0x0000 */
-                       if (scsi_status == MPI_SCSI_STATUS_BUSY)
-                               sc->result = (DID_BUS_BUSY << 16) | scsi_status;
-                       else
-                               sc->result = (DID_OK << 16) | scsi_status;
+                       sc->result = (DID_OK << 16) | scsi_status;
                        if (scsi_state == 0) {
                                ;
                        } else if (scsi_state & MPI_SCSI_STATE_AUTOSENSE_VALID) {