diff options
Diffstat (limited to 'sys/dev/ata/ata-disk.c')
| -rw-r--r-- | sys/dev/ata/ata-disk.c | 23 |
1 files changed, 0 insertions, 23 deletions
diff --git a/sys/dev/ata/ata-disk.c b/sys/dev/ata/ata-disk.c index a0f760f..6424f28 100644 --- a/sys/dev/ata/ata-disk.c +++ b/sys/dev/ata/ata-disk.c @@ -102,9 +102,6 @@ SYSCTL_INT(_hw_ata, OID_AUTO, wc, CTLFLAG_RD, &ata_wc, 0, SYSCTL_INT(_hw_ata, OID_AUTO, tags, CTLFLAG_RD, &ata_tags, 0, "ATA disk tagged queuing support"); -/* experimental cache flush on BIO_ORDERED */ -#undef ATA_FLUSHCACHE_ON - void ad_attach(struct ata_device *atadev) { @@ -368,16 +365,6 @@ ad_start(struct ata_device *atadev) if (!bp) return; -#ifdef ATA_FLUSHCACHE_ON - /* - * if BIO_ORDERED is set cache should be flushed, if there are - * any outstanding requests, hold off and wait for them to finish - */ - if (adp->flags & AD_F_TAG_ENABLED && - bp->bio_flags & BIO_ORDERED && adp->outstanding > 0) - return; -#endif - /* if tagged queueing enabled get next free tag */ if (adp->flags & AD_F_TAG_ENABLED) { while (tag <= adp->num_tags && adp->tags[tag]) @@ -690,16 +677,6 @@ ad_interrupt(struct ad_request *request) request->bp->bio_resid = request->bytecount; -#ifdef ATA_FLUSHCACHE_ON - if (request->bp->bio_flags & BIO_ORDERED) { - request->flags |= ADR_F_FLUSHCACHE; - if (ata_command(adp->device, ATA_C_FLUSHCACHE, 0, 0, 0, ATA_IMMEDIATE)) - ata_prtdev(adp->device, "flushing cache failed\n"); - else - return ATA_OP_CONTINUES; - } -finish: -#endif biofinish(request->bp, &adp->stats, 0); ad_free(request); adp->outstanding--; |
