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Tell CAM that CISS logical devices support tagged queueing. This fixes

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the low "max device openings" count that has led to poor performance in
FreeBSD 7.0 and 7.1
This commit is contained in:
Scott Long 2009-02-20 07:43:43 +00:00
parent 9d98ff4d69
commit 63b9228b0b
1 changed files with 5 additions and 2 deletions
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7
sys/dev/ciss/ciss.c
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@ -2981,8 +2981,8 @@ ciss_cam_action(struct cam_sim *sim, union ccb *ccb)
{
struct ccb_trans_settings *cts = &ccb->cts;
int bus, target;
struct ccb_trans_settings_spi *spi =
&cts->xport_specific.spi;
struct ccb_trans_settings_spi *spi = &cts->xport_specific.spi;
struct ccb_trans_settings_scsi *scsi = &cts->proto_specific.scsi;
bus = cam_sim_bus(sim);
target = cts->ccb_h.target_id;
@ -2997,6 +2997,9 @@ ciss_cam_action(struct cam_sim *sim, union ccb *ccb)
spi->valid = CTS_SPI_VALID_DISC;
spi->flags = CTS_SPI_FLAGS_DISC_ENB;
scsi->valid = CTS_SCSI_VALID_TQ;
scsi->flags = CTS_SCSI_FLAGS_TAG_ENB;
cts->ccb_h.status = CAM_REQ_CMP;
break;
}