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kernel: backport the ubiblock patches from 3.14->3.10

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Signed-off-by: John Crispin <blogic@openwrt.org>

SVN-Revision: 41120
This commit is contained in:
John Crispin
2014-06-11 12:59:15 +00:00
parent acbcd5f5b5
commit c8d472c37f
13 changed files with 1754 additions and 0 deletions
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92
target/linux/generic/patches-3.10/044-UBI-rename-block-device-ioctls.patch Normal file
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@@ -0,0 +1,92 @@
From 8af871887fcba470ff9265c65cff7d14d9e0e3f9 Mon Sep 17 00:00:00 2001
From: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Date: Wed, 5 Mar 2014 13:01:56 +0200
Subject: [PATCH] UBI: rename block device ioctls
Rename the UBI_IOCVOLATTBLK and UBI_IOCVOLDETBLK to UBI_IOCVOLCRBLK and
UBI_IOCVOLRMBLK, because we do not use terms "attach" and "detach" for the R/O
block devices on top of UBI volumes. Instead, we use terms "create" and
"remove". This patch also amends the related commentaries.
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Acked-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
---
drivers/mtd/ubi/block.c | 2 +-
drivers/mtd/ubi/cdev.c | 8 ++++----
include/uapi/mtd/ubi-user.h | 14 +++++++-------
3 files changed, 12 insertions(+), 12 deletions(-)
diff --git a/drivers/mtd/ubi/block.c b/drivers/mtd/ubi/block.c
index 16e6731..69a74fd 100644
--- a/drivers/mtd/ubi/block.c
+++ b/drivers/mtd/ubi/block.c
@@ -32,7 +32,7 @@
* This feature is compiled in the UBI core, and adds a 'block' parameter
* to allow early creation of block devices on top of UBI volumes. Runtime
* block creation/removal for UBI volumes is provided through two UBI ioctls:
- * UBI_IOCVOLATTBLK and UBI_IOCVOLDETBLK.
+ * UBI_IOCVOLCRBLK and UBI_IOCVOLRMBLK.
*/
#include <linux/module.h>
diff --git a/drivers/mtd/ubi/cdev.c b/drivers/mtd/ubi/cdev.c
index 11c8473..f54562a 100644
--- a/drivers/mtd/ubi/cdev.c
+++ b/drivers/mtd/ubi/cdev.c
@@ -561,8 +561,8 @@ static long vol_cdev_ioctl(struct file *file, unsigned int cmd,
break;
}
- /* Attach a block device to an UBI volume */
- case UBI_IOCVOLATTBLK:
+ /* Create a R/O block device on top of the UBI volume */
+ case UBI_IOCVOLCRBLK:
{
struct ubi_volume_info vi;
@@ -571,8 +571,8 @@ static long vol_cdev_ioctl(struct file *file, unsigned int cmd,
break;
}
- /* Dettach a block device from an UBI volume */
- case UBI_IOCVOLDETBLK:
+ /* Remove the R/O block device */
+ case UBI_IOCVOLRMBLK:
{
struct ubi_volume_info vi;
diff --git a/include/uapi/mtd/ubi-user.h b/include/uapi/mtd/ubi-user.h
index b98585a..9c885e2 100644
--- a/include/uapi/mtd/ubi-user.h
+++ b/include/uapi/mtd/ubi-user.h
@@ -138,9 +138,9 @@
* Block devices on UBI volumes
* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
*
- * To attach or detach a block device from an UBI volume the %UBI_IOCVOLATTBLK
- * and %UBI_IOCVOLDETBLK ioctl commands should be used, respectively.
- * These commands take no arguments.
+ * To create or remove a R/O block device on top of an UBI volume the
+ * %UBI_IOCVOLCRBLK and %UBI_IOCVOLRMBLK ioctl commands should be used,
+ * respectively. These commands take no arguments.
*/
/*
@@ -198,10 +198,10 @@
/* Set an UBI volume property */
#define UBI_IOCSETVOLPROP _IOW(UBI_VOL_IOC_MAGIC, 6, \
struct ubi_set_vol_prop_req)
-/* Attach a block device to an UBI volume */
-#define UBI_IOCVOLATTBLK _IO(UBI_VOL_IOC_MAGIC, 7)
-/* Detach a block device from an UBI volume */
-#define UBI_IOCVOLDETBLK _IO(UBI_VOL_IOC_MAGIC, 8)
+/* Create a R/O block device on top of an UBI volume */
+#define UBI_IOCVOLCRBLK _IO(UBI_VOL_IOC_MAGIC, 7)
+/* Remove the R/O block device */
+#define UBI_IOCVOLRMBLK _IO(UBI_VOL_IOC_MAGIC, 8)
/* Maximum MTD device name length supported by UBI */
#define MAX_UBI_MTD_NAME_LEN 127
--
1.9.2