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| author | Linus Torvalds <torvalds@g5.osdl.org> | 2006-10-04 19:06:16 +0400 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-10-04 19:06:16 +0400 |
| commit | e30fdb1e026c2d05f216d2e5a25bfafdfd261ec2 (patch) | |
| tree | 0f65410e1d86f29107af8a665e277efd0393451c /drivers/ata/libata-scsi.c | |
| parent | 5b9b5572c87b460cd91f7722ac233d1873cfb084 (diff) | |
| parent | 15a7c3bbe344d75e4891c7d30595899c12ccfaa1 (diff) | |
| download | linux-e30fdb1e026c2d05f216d2e5a25bfafdfd261ec2.tar.xz | |
Merge branch 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/libata-dev
* 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/libata-dev:
[libata] pata_artop: kill gcc warning
[PATCH] libata: turn off NCQ if queue depth is adjusted to 1
[PATCH] libata: cosmetic changes to constants
[libata] DocBook minor updates, fixes
[libata] PCI ID table cleanup in various drivers
[libata] Print out Status register, if a BSY-sleep takes too long
[libata] init probe_ent->private_data in a common location
[libata] minor PCI IDE probe fixes and cleanups
[libata] Use new PCI_VDEVICE() macro to dramatically shorten ID lists
[PATCH] Fix reference of uninitialised memory in ata_device_add()
Diffstat (limited to 'drivers/ata/libata-scsi.c')
| -rw-r--r-- | drivers/ata/libata-scsi.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c index 3986ec8741b4..b0d0cc41f3e8 100644 --- a/drivers/ata/libata-scsi.c +++ b/drivers/ata/libata-scsi.c @@ -889,6 +889,7 @@ int ata_scsi_change_queue_depth(struct scsi_device *sdev, int queue_depth) { struct ata_port *ap = ata_shost_to_port(sdev->host); struct ata_device *dev; + unsigned long flags; int max_depth; if (queue_depth < 1) @@ -904,6 +905,14 @@ int ata_scsi_change_queue_depth(struct scsi_device *sdev, int queue_depth) queue_depth = max_depth; scsi_adjust_queue_depth(sdev, MSG_SIMPLE_TAG, queue_depth); + + spin_lock_irqsave(ap->lock, flags); + if (queue_depth > 1) + dev->flags &= ~ATA_DFLAG_NCQ_OFF; + else + dev->flags |= ATA_DFLAG_NCQ_OFF; + spin_unlock_irqrestore(ap->lock, flags); + return queue_depth; } @@ -1293,7 +1302,8 @@ static unsigned int ata_scsi_rw_xlat(struct ata_queued_cmd *qc, const u8 *scsicm */ goto nothing_to_do; - if ((dev->flags & (ATA_DFLAG_PIO | ATA_DFLAG_NCQ)) == ATA_DFLAG_NCQ) { + if ((dev->flags & (ATA_DFLAG_PIO | ATA_DFLAG_NCQ_OFF | + ATA_DFLAG_NCQ)) == ATA_DFLAG_NCQ) { /* yay, NCQ */ if (!lba_48_ok(block, n_block)) goto out_of_range; @@ -3174,7 +3184,7 @@ void ata_scsi_dev_rescan(void *data) /** * ata_sas_port_alloc - Allocate port for a SAS attached SATA device - * @pdev: PCI device that the scsi device is attached to + * @host: ATA host container for all SAS ports * @port_info: Information from low-level host driver * @shost: SCSI host that the scsi device is attached to * |