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authorTejun Heo <htejun@gmail.com>2007-11-27 19:28:54 +0900
committerJeff Garzik <jeff@garzik.org>2008-01-23 05:24:10 -0500
commit02c05a27e884c9655dae5b1c8bc0cd89c060c43d (patch)
tree94fb174047e12e60706f3930e5af601b6544d76c /drivers
parent405e66b38797875e80669eaf72d313dbb76533c3 (diff)
libata: factor out ata_eh_schedule_probe()
Factor out ata_eh_schedule_probe() from ata_eh_handle_dev_fail() and ata_eh_recover(). This is to improve maintainability and make future changes easier. In the previous revision, ata_dev_enabled() test was accidentally dropped while factoring out. This problem was spotted by Bartlomiej. Signed-off-by: Tejun Heo <htejun@gmail.com> Cc: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/ata/libata-eh.c38
1 files changed, 21 insertions, 17 deletions
diff --git a/drivers/ata/libata-eh.c b/drivers/ata/libata-eh.c
index 1d7faab6481..b16c81a24ba 100644
--- a/drivers/ata/libata-eh.c
+++ b/drivers/ata/libata-eh.c
@@ -2375,6 +2375,22 @@ static int ata_eh_skip_recovery(struct ata_link *link)
return 1;
}
+static int ata_eh_schedule_probe(struct ata_device *dev)
+{
+ struct ata_eh_context *ehc = &dev->link->eh_context;
+
+ if (!(ehc->i.probe_mask & (1 << dev->devno)) ||
+ (ehc->did_probe_mask & (1 << dev->devno)))
+ return 0;
+
+ ata_eh_detach_dev(dev);
+ ata_dev_init(dev);
+ ehc->did_probe_mask |= (1 << dev->devno);
+ ehc->i.action |= ATA_EH_SOFTRESET;
+
+ return 1;
+}
+
static int ata_eh_handle_dev_fail(struct ata_device *dev, int err)
{
struct ata_eh_context *ehc = &dev->link->eh_context;
@@ -2406,16 +2422,9 @@ static int ata_eh_handle_dev_fail(struct ata_device *dev, int err)
if (ata_link_offline(dev->link))
ata_eh_detach_dev(dev);
- /* probe if requested */
- if ((ehc->i.probe_mask & (1 << dev->devno)) &&
- !(ehc->did_probe_mask & (1 << dev->devno))) {
- ata_eh_detach_dev(dev);
- ata_dev_init(dev);
-
+ /* schedule probe if necessary */
+ if (ata_eh_schedule_probe(dev))
ehc->tries[dev->devno] = ATA_EH_DEV_TRIES;
- ehc->did_probe_mask |= (1 << dev->devno);
- ehc->i.action |= ATA_EH_SOFTRESET;
- }
return 1;
} else {
@@ -2492,14 +2501,9 @@ int ata_eh_recover(struct ata_port *ap, ata_prereset_fn_t prereset,
if (dev->flags & ATA_DFLAG_DETACH)
ata_eh_detach_dev(dev);
- if (!ata_dev_enabled(dev) &&
- ((ehc->i.probe_mask & (1 << dev->devno)) &&
- !(ehc->did_probe_mask & (1 << dev->devno)))) {
- ata_eh_detach_dev(dev);
- ata_dev_init(dev);
- ehc->did_probe_mask |= (1 << dev->devno);
- ehc->i.action |= ATA_EH_SOFTRESET;
- }
+ /* schedule probe if necessary */
+ if (!ata_dev_enabled(dev))
+ ata_eh_schedule_probe(dev);
}
}