diff options
| author | Tejun Heo <tj@kernel.org> | 2008-10-26 15:43:03 +0900 |
|---|---|---|
| committer | Jeff Garzik <jgarzik@redhat.com> | 2008-10-27 23:55:40 -0400 |
| commit | 90484ebfc96c5dc5c498ed72cf2d370575db9b76 (patch) | |
| tree | 46ada261a4d318296bcbe08ac724fd32eb014a6d /drivers | |
| parent | e8b3b5e9f54512bfdb7c154da07ec0408cbd6c56 (diff) | |
| download | kernel-common-90484ebfc96c5dc5c498ed72cf2d370575db9b76.tar.gz kernel-common-90484ebfc96c5dc5c498ed72cf2d370575db9b76.tar.bz2 kernel-common-90484ebfc96c5dc5c498ed72cf2d370575db9b76.zip | |
libata: clear saved xfer_mode and ncq_enabled on device detach
libata EH saves xfer_mode and ncq_enabled at start to later set
DUBIOUS_XFER flag if it has changed. These values need to be cleared
on device detach such that hot device swap doesn't accidentally miss
DUBIOUS_XFER.
Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/ata/libata-eh.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/ata/libata-eh.c b/drivers/ata/libata-eh.c index a6a3b1554c45..8077bdf5d30d 100644 --- a/drivers/ata/libata-eh.c +++ b/drivers/ata/libata-eh.c @@ -1164,6 +1164,7 @@ void ata_eh_detach_dev(struct ata_device *dev) { struct ata_link *link = dev->link; struct ata_port *ap = link->ap; + struct ata_eh_context *ehc = &link->eh_context; unsigned long flags; ata_dev_disable(dev); @@ -1177,9 +1178,11 @@ void ata_eh_detach_dev(struct ata_device *dev) ap->pflags |= ATA_PFLAG_SCSI_HOTPLUG; } - /* clear per-dev EH actions */ + /* clear per-dev EH info */ ata_eh_clear_action(link, dev, &link->eh_info, ATA_EH_PERDEV_MASK); ata_eh_clear_action(link, dev, &link->eh_context.i, ATA_EH_PERDEV_MASK); + ehc->saved_xfer_mode[dev->devno] = 0; + ehc->saved_ncq_enabled &= ~(1 << dev->devno); spin_unlock_irqrestore(ap->lock, flags); } |