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Message-Id: <1302131122-15530-22-git-send-email-kys@microsoft.com>
Date: Wed, 6 Apr 2011 16:05:22 -0700
From: "K. Y. Srinivasan" <kys@...rosoft.com>
To: gregkh@...e.de, linux-kernel@...r.kernel.org,
devel@...uxdriverproject.org, virtualization@...ts.osdl.org
Cc: "K. Y. Srinivasan" <kys@...rosoft.com>,
Haiyang Zhang <haiyangz@...rosoft.com>,
Hank Janssen <hjanssen@...rosoft.com>
Subject: [PATCH 22/22] Staging: hv: Get rid of IDE details from blkvsc_drv.c
Now get rid of IDE details from blkvsc_drv.c.
Signed-off-by: K. Y. Srinivasan <kys@...rosoft.com>
Signed-off-by: Haiyang Zhang <haiyangz@...rosoft.com>
Signed-off-by: Hank Janssen <hjanssen@...rosoft.com>
---
drivers/staging/hv/blkvsc_drv.c | 55 +++++++++++---------------------------
drivers/staging/hv/storvsc.c | 18 ++++++------
2 files changed, 25 insertions(+), 48 deletions(-)
diff --git a/drivers/staging/hv/blkvsc_drv.c b/drivers/staging/hv/blkvsc_drv.c
index 3229ebc..acc5435 100644
--- a/drivers/staging/hv/blkvsc_drv.c
+++ b/drivers/staging/hv/blkvsc_drv.c
@@ -953,11 +953,8 @@ static int blkvsc_probe(struct device *device)
struct block_device_context *blkdev = NULL;
struct storvsc_device_info device_info;
- int major = 0;
- int devnum = 0;
+ struct storvsc_major_info major_info;
int ret = 0;
- static int ide0_registered;
- static int ide1_registered;
blkdev = kzalloc(sizeof(struct block_device_context), GFP_KERNEL);
@@ -994,43 +991,23 @@ static int blkvsc_probe(struct device *device)
dev_set_drvdata(device, blkdev);
- /* Calculate the major and device num */
- if (blkdev->path == 0) {
- major = IDE0_MAJOR;
- devnum = blkdev->path + blkdev->target; /* 0 or 1 */
-
- if (!ide0_registered) {
- ret = register_blkdev(major, "ide");
- if (ret != 0) {
- DPRINT_ERR(BLKVSC_DRV,
- "register_blkdev() failed! ret %d",
- ret);
- goto remove;
- }
+ ret = stor_vsc_get_major_info(&device_info, &major_info);
- ide0_registered = 1;
- }
- } else if (blkdev->path == 1) {
- major = IDE1_MAJOR;
- devnum = blkdev->path + blkdev->target + 1; /* 2 or 3 */
-
- if (!ide1_registered) {
- ret = register_blkdev(major, "ide");
- if (ret != 0) {
- DPRINT_ERR(BLKVSC_DRV,
- "register_blkdev() failed! ret %d",
- ret);
- goto remove;
- }
+ if (ret)
+ goto cleanup;
+
+ if (major_info.do_register) {
+ ret = register_blkdev(major_info.major, major_info.devname);
- ide1_registered = 1;
+ if (ret != 0) {
+ DPRINT_ERR(BLKVSC_DRV,
+ "register_blkdev() failed! ret %d", ret);
+ goto remove;
}
- } else {
- ret = -1;
- goto cleanup;
}
- DPRINT_INFO(BLKVSC_DRV, "blkvsc registered for major %d!!", major);
+ DPRINT_INFO(BLKVSC_DRV, "blkvsc registered for major %d!!",
+ major_info.major);
blkdev->gd = alloc_disk(BLKVSC_MINORS);
if (!blkdev->gd) {
@@ -1046,8 +1023,8 @@ static int blkvsc_probe(struct device *device)
blk_queue_bounce_limit(blkdev->gd->queue, BLK_BOUNCE_ANY);
blk_queue_dma_alignment(blkdev->gd->queue, 511);
- blkdev->gd->major = major;
- if (devnum == 1 || devnum == 3)
+ blkdev->gd->major = major_info.major;
+ if (major_info.index == 1 || major_info.index == 3)
blkdev->gd->first_minor = BLKVSC_MINORS;
else
blkdev->gd->first_minor = 0;
@@ -1055,7 +1032,7 @@ static int blkvsc_probe(struct device *device)
blkdev->gd->events = DISK_EVENT_MEDIA_CHANGE;
blkdev->gd->private_data = blkdev;
blkdev->gd->driverfs_dev = &(blkdev->device_ctx->device);
- sprintf(blkdev->gd->disk_name, "hd%c", 'a' + devnum);
+ sprintf(blkdev->gd->disk_name, "hd%c", 'a' + major_info.index);
blkvsc_do_operation(blkdev, DO_INQUIRY);
blkvsc_do_operation(blkdev, DO_CAPACITY);
diff --git a/drivers/staging/hv/storvsc.c b/drivers/staging/hv/storvsc.c
index e2b3410..85bae5a 100644
--- a/drivers/staging/hv/storvsc.c
+++ b/drivers/staging/hv/storvsc.c
@@ -629,26 +629,26 @@ int stor_vsc_get_major_info(struct storvsc_device_info *device_info,
if (device_info->path_id) {
major_info->major = 22;
- if (!ide1_registered)
+ if (!ide1_registered) {
major_info->do_register = true;
- else {
- major_info->do_register = false;
ide1_registered = true;
- }
+ } else
+ major_info->do_register = false;
+
if (device_info->target_id)
major_info->index = 3;
- else
+ else
major_info->index = 2;
return 0;
} else {
major_info->major = 3;
- if (!ide0_registered)
+ if (!ide0_registered) {
major_info->do_register = true;
- else {
- major_info->do_register = false;
ide0_registered = true;
- }
+ } else
+ major_info->do_register = false;
+
if (device_info->target_id)
major_info->index = 1;
else
--
1.7.4.1
--
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