linux-kernel - [PATCH 01/16] xen: use less generic names in blkfront driver.

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Message-Id: <355e718c3f164de385d165eb8a0594895f034ebd.1279658433.git.jeremy.fitzhardinge@citrix.com>
Date:	Tue, 20 Jul 2010 13:42:08 -0700
From:	Jeremy Fitzhardinge <jeremy@...p.org>
To:	Jens Axboe <axboe@...nel.dk>
Cc:	Xen-devel <xen-devel@...ts.xensource.com>,
	Ian Campbell <ian.campbell@...rix.com>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Jeremy Fitzhardinge <jeremy.fitzhardinge@...rix.com>
Subject: [PATCH 01/16] xen: use less generic names in blkfront driver.

From: Ian Campbell <ian.campbell@...rix.com>

All Xen frontend drivers have a couple of identically named functions which
makes figuring out which device went wrong from a stacktrace harder than it
needs to be. Rename them to something specificto the device type.

Signed-off-by: Ian Campbell <ian.campbell@...rix.com>
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@...rix.com>
---
 drivers/block/xen-blkfront.c |   12 ++++++------
 1 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/drivers/block/xen-blkfront.c b/drivers/block/xen-blkfront.c
index 82ed403..6839947 100644
--- a/drivers/block/xen-blkfront.c
+++ b/drivers/block/xen-blkfront.c
@@ -651,7 +651,7 @@ fail:
 
 
 /* Common code used when first setting up, and when resuming. */
-static int talk_to_backend(struct xenbus_device *dev,
+static int talk_to_blkback(struct xenbus_device *dev,
 			   struct blkfront_info *info)
 {
 	const char *message = NULL;
@@ -756,7 +756,7 @@ static int blkfront_probe(struct xenbus_device *dev,
 	info->handle = simple_strtoul(strrchr(dev->nodename, '/')+1, NULL, 0);
 	dev_set_drvdata(&dev->dev, info);
 
-	err = talk_to_backend(dev, info);
+	err = talk_to_blkback(dev, info);
 	if (err) {
 		kfree(info);
 		dev_set_drvdata(&dev->dev, NULL);
@@ -851,7 +851,7 @@ static int blkfront_resume(struct xenbus_device *dev)
 
 	blkif_free(info, info->connected == BLKIF_STATE_CONNECTED);
 
-	err = talk_to_backend(dev, info);
+	err = talk_to_blkback(dev, info);
 	if (info->connected == BLKIF_STATE_SUSPENDED && !err)
 		err = blkif_recover(info);
 
@@ -955,13 +955,13 @@ static void blkfront_closing(struct xenbus_device *dev)
 /**
  * Callback received when the backend's state changes.
  */
-static void backend_changed(struct xenbus_device *dev,
+static void blkback_changed(struct xenbus_device *dev,
 			    enum xenbus_state backend_state)
 {
 	struct blkfront_info *info = dev_get_drvdata(&dev->dev);
 	struct block_device *bd;
 
-	dev_dbg(&dev->dev, "blkfront:backend_changed.\n");
+	dev_dbg(&dev->dev, "blkfront:blkback_changed to state %d.\n", backend_state);
 
 	switch (backend_state) {
 	case XenbusStateInitialising:
@@ -1062,7 +1062,7 @@ static struct xenbus_driver blkfront = {
 	.probe = blkfront_probe,
 	.remove = blkfront_remove,
 	.resume = blkfront_resume,
-	.otherend_changed = backend_changed,
+	.otherend_changed = blkback_changed,
 	.is_ready = blkfront_is_ready,
 };
 
-- 
1.7.1.1

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