From: "K. Y. Srinivasan" <kys@microsoft.com>
To: gregkh@suse.de, linux-kernel@vger.kernel.org,
devel@linuxdriverproject.org, virtualization@lists.osdl.org
Cc: "K. Y. Srinivasan" <kys@microsoft.com>,
Haiyang Zhang <haiyangz@microsoft.com>,
Abhishek Kane <v-abkane@microsoft.com>,
Hank Janssen <hjanssen@microsoft.com>
Subject: [PATCH 03/22] Staging: hv: Get rid of the forward declaration of blkvsc_open()
Date: Mon, 28 Mar 2011 10:00:34 -0700 [thread overview]
Message-ID: <1301331653-26265-3-git-send-email-kys@microsoft.com> (raw)
In-Reply-To: <1301331653-26265-1-git-send-email-kys@microsoft.com>
Get rid of the forward declaration of blkvsc_open() by moving the code around.
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Abhishek Kane <v-abkane@microsoft.com>
Signed-off-by: Hank Janssen <hjanssen@microsoft.com>
---
drivers/staging/hv/blkvsc_drv.c | 49 +++++++++++++++++++--------------------
1 files changed, 24 insertions(+), 25 deletions(-)
diff --git a/drivers/staging/hv/blkvsc_drv.c b/drivers/staging/hv/blkvsc_drv.c
index 4b97348..cd3a019 100644
--- a/drivers/staging/hv/blkvsc_drv.c
+++ b/drivers/staging/hv/blkvsc_drv.c
@@ -106,6 +106,7 @@ struct block_device_context {
int users;
};
+static DEFINE_MUTEX(blkvsc_mutex);
static const char *g_blk_driver_name = "blkvsc";
@@ -248,13 +249,34 @@ static int blkvsc_media_changed(struct gendisk *gd)
return 1;
}
+static int blkvsc_open(struct block_device *bdev, fmode_t mode)
+{
+ struct block_device_context *blkdev = bdev->bd_disk->private_data;
+
+ DPRINT_DBG(BLKVSC_DRV, "- users %d disk %s\n", blkdev->users,
+ blkdev->gd->disk_name);
+
+ mutex_lock(&blkvsc_mutex);
+ spin_lock(&blkdev->lock);
+
+ if (!blkdev->users && blkdev->device_type == DVD_TYPE) {
+ spin_unlock(&blkdev->lock);
+ check_disk_change(bdev);
+ spin_lock(&blkdev->lock);
+ }
+
+ blkdev->users++;
+
+ spin_unlock(&blkdev->lock);
+ mutex_unlock(&blkvsc_mutex);
+ return 0;
+}
+
/* Static decl */
-static DEFINE_MUTEX(blkvsc_mutex);
static int blkvsc_probe(struct device *dev);
static int blkvsc_remove(struct device *device);
static void blkvsc_shutdown(struct device *device);
-static int blkvsc_open(struct block_device *bdev, fmode_t mode);
static int blkvsc_release(struct gendisk *disk, fmode_t mode);
static int blkvsc_revalidate_disk(struct gendisk *gd);
static int blkvsc_getgeo(struct block_device *bd, struct hd_geometry *hg);
@@ -1364,29 +1386,6 @@ static void blkvsc_request(struct request_queue *queue)
}
}
-static int blkvsc_open(struct block_device *bdev, fmode_t mode)
-{
- struct block_device_context *blkdev = bdev->bd_disk->private_data;
-
- DPRINT_DBG(BLKVSC_DRV, "- users %d disk %s\n", blkdev->users,
- blkdev->gd->disk_name);
-
- mutex_lock(&blkvsc_mutex);
- spin_lock(&blkdev->lock);
-
- if (!blkdev->users && blkdev->device_type == DVD_TYPE) {
- spin_unlock(&blkdev->lock);
- check_disk_change(bdev);
- spin_lock(&blkdev->lock);
- }
-
- blkdev->users++;
-
- spin_unlock(&blkdev->lock);
- mutex_unlock(&blkvsc_mutex);
- return 0;
-}
-
static int blkvsc_release(struct gendisk *disk, fmode_t mode)
{
struct block_device_context *blkdev = disk->private_data;
--
1.7.4.1
next prev parent reply other threads:[~2011-03-28 17:00 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-03-28 17:00 [PATCH 00/22] Staging: hv: Cleanup-storage-drivers-phase-III K. Y. Srinivasan
2011-03-28 17:00 ` [PATCH 01/22] Staging: hv: Get rid of the forward declaration of blkvsc_submit_request() K. Y. Srinivasan
2011-03-28 17:00 ` [PATCH 02/22] Staging: hv: Get rid of the forward declaration of blkvsc_media_changed() K. Y. Srinivasan
2011-03-28 17:00 ` K. Y. Srinivasan [this message]
2011-03-28 17:00 ` [PATCH 04/22] Staging: hv: Get rid of the forward declaration of blkvsc_getgeo() K. Y. Srinivasan
2011-03-28 17:00 ` [PATCH 05/22] Staging: hv: Get rid of the forward declaration of blkvsc_init_rw() K. Y. Srinivasan
2011-03-28 17:00 ` [PATCH 06/22] Staging: hv: Get rid of the forward declaration of blkvsc_ioctl() K. Y. Srinivasan
2011-03-28 17:00 ` [PATCH 07/22] Staging: hv: Get rid of the forward declaration of blkvsc_cmd_completion() K. Y. Srinivasan
2011-03-28 17:00 ` [PATCH 08/22] Staging: hv: Get rid of the forward declaration of blkvsc_do_flush() K. Y. Srinivasan
2011-03-28 17:00 ` [PATCH 09/22] Staging: hv: Get rid of the forward declaration of blkvsc_cancel_pending_reqs() K. Y. Srinivasan
2011-03-28 17:00 ` [PATCH 10/22] Staging: hv: Get rid of the forward declaration of blkvsc_remove() K. Y. Srinivasan
2011-03-28 17:00 ` [PATCH 11/22] Staging: hv: Get rid of the forward declaration of blkvsc_shutdown() K. Y. Srinivasan
2011-03-28 17:00 ` [PATCH 12/22] Staging: hv: Get rid of the forward declaration for blkvsc_release() K. Y. Srinivasan
2011-03-28 17:00 ` [PATCH 13/22] Staging: hv: Get rid of the forward declaration for blkvsc_do_read_capacity() K. Y. Srinivasan
2011-03-28 17:00 ` [PATCH 14/22] Staging: hv: Get rid of the forward declaration of blkvsc_do_read_capacity16() K. Y. Srinivasan
2011-03-28 17:00 ` [PATCH 15/22] Staging: hv: Get rid of the forward declaration of blkvsc_revalidate_disk() K. Y. Srinivasan
2011-03-28 17:00 ` [PATCH 16/22] Staging: hv: Get rid of the forward declaration for blkvsc_do_inquiry() K. Y. Srinivasan
2011-03-28 17:00 ` [PATCH 17/22] Staging: hv: Get rid of the forward declaration for blkvsc_do_request() K. Y. Srinivasan
2011-03-28 17:00 ` [PATCH 18/22] Staging: hv: Get rid of the forward declaration for blkvsc_do_pending_reqs() K. Y. Srinivasan
2011-03-28 17:00 ` [PATCH 19/22] Staging: hv: Get rid of the forward declaration for blkvsc_request() K. Y. Srinivasan
2011-03-28 17:00 ` [PATCH 20/22] Staging: hv: Move some definitions/declarations to be earlier in the file K. Y. Srinivasan
2011-03-28 17:00 ` [PATCH 21/22] Staging: hv: Move module parameter to " K. Y. Srinivasan
2011-03-28 17:00 ` [PATCH 22/22] Staging: hv: Get rid of some dead code in blkvsc_drv.c K. Y. Srinivasan
2011-04-05 4:59 ` [PATCH 00/22] Staging: hv: Cleanup-storage-drivers-phase-III Greg KH
2011-04-05 13:58 ` KY Srinivasan
2011-04-05 15:10 ` Greg KH
2011-04-05 15:29 ` KY Srinivasan
2011-04-06 22:59 ` KY Srinivasan
-- strict thread matches above, loose matches on Subject: below --
2011-04-06 21:34 [RESEND] " K. Y. Srinivasan
2011-04-06 21:34 ` [PATCH 01/22] Staging: hv: Get rid of the forward declaration of blkvsc_submit_request() K. Y. Srinivasan
2011-04-06 21:35 ` [PATCH 03/22] Staging: hv: Get rid of the forward declaration of blkvsc_open() K. Y. Srinivasan
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