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-rw-r--r--drivers/scsi/scsi_scan.c47
-rw-r--r--include/scsi/scsi_host.h4
2 files changed, 30 insertions, 21 deletions
diff --git a/drivers/scsi/scsi_scan.c b/drivers/scsi/scsi_scan.c
index 1ec4b309af72..463ce6e23dc6 100644
--- a/drivers/scsi/scsi_scan.c
+++ b/drivers/scsi/scsi_scan.c
@@ -227,7 +227,7 @@ static int scsi_realloc_sdev_budget_map(struct scsi_device *sdev,
/*
* realloc if new shift is calculated, which is caused by setting
- * up one new default queue depth after calling ->slave_configure
+ * up one new default queue depth after calling ->device_configure
*/
if (!need_alloc && new_shift != sdev->budget_map.shift)
need_alloc = need_free = true;
@@ -874,6 +874,7 @@ static int scsi_probe_lun(struct scsi_device *sdev, unsigned char *inq_result,
static int scsi_add_lun(struct scsi_device *sdev, unsigned char *inq_result,
blist_flags_t *bflags, int async)
{
+ const struct scsi_host_template *hostt = sdev->host->hostt;
struct queue_limits lim;
int ret;
@@ -1073,33 +1074,37 @@ static int scsi_add_lun(struct scsi_device *sdev, unsigned char *inq_result,
lim.max_hw_sectors = 512;
else if (*bflags & BLIST_MAX_1024)
lim.max_hw_sectors = 1024;
+
+ if (hostt->device_configure)
+ ret = hostt->device_configure(sdev, &lim);
+ else if (hostt->slave_configure)
+ ret = hostt->slave_configure(sdev);
+ if (ret) {
+ queue_limits_cancel_update(sdev->request_queue);
+ /*
+ * If the LLDD reports device not present, don't clutter the
+ * console with failure messages.
+ */
+ if (ret != -ENXIO)
+ sdev_printk(KERN_ERR, sdev,
+ "failed to configure device\n");
+ return SCSI_SCAN_NO_RESPONSE;
+ }
+
ret = queue_limits_commit_update(sdev->request_queue, &lim);
if (ret) {
sdev_printk(KERN_ERR, sdev, "failed to apply queue limits.\n");
return SCSI_SCAN_NO_RESPONSE;
}
- if (sdev->host->hostt->slave_configure) {
- ret = sdev->host->hostt->slave_configure(sdev);
- if (ret) {
- /*
- * if LLDD reports slave not present, don't clutter
- * console with alloc failure messages
- */
- if (ret != -ENXIO) {
- sdev_printk(KERN_ERR, sdev,
- "failed to configure device\n");
- }
- return SCSI_SCAN_NO_RESPONSE;
- }
-
- /*
- * The queue_depth is often changed in ->slave_configure.
- * Set up budget map again since memory consumption of
- * the map depends on actual queue depth.
- */
+ /*
+ * The queue_depth is often changed in ->device_configure.
+ *
+ * Set up budget map again since memory consumption of the map depends
+ * on actual queue depth.
+ */
+ if (hostt->device_configure || hostt->slave_configure)
scsi_realloc_sdev_budget_map(sdev, sdev->queue_depth);
- }
if (sdev->scsi_level >= SCSI_3)
scsi_attach_vpd(sdev);
diff --git a/include/scsi/scsi_host.h b/include/scsi/scsi_host.h
index b0948ab69e0f..92c8c3b08dfc 100644
--- a/include/scsi/scsi_host.h
+++ b/include/scsi/scsi_host.h
@@ -211,7 +211,11 @@ struct scsi_host_template {
* up after yourself before returning non-0
*
* Status: OPTIONAL
+ *
+ * Note: slave_configure is the legacy version, use device_configure for
+ * all new code. A driver must never define both.
*/
+ int (* device_configure)(struct scsi_device *, struct queue_limits *lim);
int (* slave_configure)(struct scsi_device *);
/*