diff options
| author | pjd <pjd@FreeBSD.org> | 2006-10-31 21:19:25 +0000 |
|---|---|---|
| committer | pjd <pjd@FreeBSD.org> | 2006-10-31 21:19:25 +0000 |
| commit | 4ed49f81f813686d8a7faf0c75dc006bb0632cf8 (patch) | |
| tree | e7596b419a359a5488cd4aa3c109c1d642056b40 /sys/cam | |
| parent | 67c00d09c15829fc438fdaf3ed5b6bb694301114 (diff) | |
| download | FreeBSD-src-4ed49f81f813686d8a7faf0c75dc006bb0632cf8.zip FreeBSD-src-4ed49f81f813686d8a7faf0c75dc006bb0632cf8.tar.gz | |
Implement BIO_FLUSH handling for da(4), amr(4), ata(4) and ataraid(4).
Sponsored by: home.pl
Diffstat (limited to 'sys/cam')
| -rw-r--r-- | sys/cam/scsi/scsi_da.c | 45 |
1 files changed, 31 insertions, 14 deletions
diff --git a/sys/cam/scsi/scsi_da.c b/sys/cam/scsi/scsi_da.c index e5dc32d..fc3692b 100644 --- a/sys/cam/scsi/scsi_da.c +++ b/sys/cam/scsi/scsi_da.c @@ -1179,6 +1179,8 @@ daregister(struct cam_periph *periph, void *arg) softc->disk->d_maxsize = DFLTPHYS; /* XXX: probably not arbitrary */ softc->disk->d_unit = periph->unit_number; softc->disk->d_flags = DISKFLAG_NEEDSGIANT; + if ((softc->quirks & DA_Q_NO_SYNC_CACHE) == 0) + softc->disk->d_flags |= DISKFLAG_CANFLUSHCACHE; disk_create(softc->disk, DISK_VERSION); /* @@ -1250,20 +1252,35 @@ dastart(struct cam_periph *periph, union ccb *start_ccb) } else { tag_code = MSG_SIMPLE_Q_TAG; } - scsi_read_write(&start_ccb->csio, - /*retries*/da_retry_count, - /*cbfcnp*/dadone, - /*tag_action*/tag_code, - /*read_op*/bp->bio_cmd == BIO_READ, - /*byte2*/0, - softc->minimum_cmd_size, - /*lba*/bp->bio_pblkno, - /*block_count*/bp->bio_bcount / - softc->params.secsize, - /*data_ptr*/ bp->bio_data, - /*dxfer_len*/ bp->bio_bcount, - /*sense_len*/SSD_FULL_SIZE, - /*timeout*/da_default_timeout*1000); + switch (bp->bio_cmd) { + case BIO_READ: + case BIO_WRITE: + scsi_read_write(&start_ccb->csio, + /*retries*/da_retry_count, + /*cbfcnp*/dadone, + /*tag_action*/tag_code, + /*read_op*/bp->bio_cmd == BIO_READ, + /*byte2*/0, + softc->minimum_cmd_size, + /*lba*/bp->bio_pblkno, + /*block_count*/bp->bio_bcount / + softc->params.secsize, + /*data_ptr*/ bp->bio_data, + /*dxfer_len*/ bp->bio_bcount, + /*sense_len*/SSD_FULL_SIZE, + /*timeout*/da_default_timeout*1000); + break; + case BIO_FLUSH: + scsi_synchronize_cache(&start_ccb->csio, + /*retries*/1, + /*cbfcnp*/dadone, + MSG_SIMPLE_Q_TAG, + /*begin_lba*/0,/* Cover the whole disk */ + /*lb_count*/0, + SSD_FULL_SIZE, + /*timeout*/da_default_timeout*1000); + break; + } start_ccb->ccb_h.ccb_state = DA_CCB_BUFFER_IO; /* |
