diff options
Diffstat (limited to 'target/linux/generic/patches-3.14/047-UBI-make-UBI_IOCVOLCRBLK-take-a-parameter-for-future.patch')
-rw-r--r-- | target/linux/generic/patches-3.14/047-UBI-make-UBI_IOCVOLCRBLK-take-a-parameter-for-future.patch | 58 |
1 files changed, 0 insertions, 58 deletions
diff --git a/target/linux/generic/patches-3.14/047-UBI-make-UBI_IOCVOLCRBLK-take-a-parameter-for-future.patch b/target/linux/generic/patches-3.14/047-UBI-make-UBI_IOCVOLCRBLK-take-a-parameter-for-future.patch deleted file mode 100644 index e9aab2a..0000000 --- a/target/linux/generic/patches-3.14/047-UBI-make-UBI_IOCVOLCRBLK-take-a-parameter-for-future.patch +++ /dev/null @@ -1,58 +0,0 @@ -From 463c5eedb4a13b9aa91f05498a0f2c20bd03f8c4 Mon Sep 17 00:00:00 2001 -From: Ezequiel Garcia <ezequiel.garcia@free-electrons.com> -Date: Wed, 5 Mar 2014 11:16:14 -0300 -Subject: [PATCH] UBI: make UBI_IOCVOLCRBLK take a parameter for future usage - -In order to allow a future ioctl parameter, such as a creation flag, -we change the UBI_IOCVOLCRBLK so it accepts a struct ubi_blkcreate_req. -For the time being the structure is not in use, but fully reserved. - -This ABI change is still possible and harmless, because the ioctl has just -been introduced and there's no userspace program which uses it. - -Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com> -Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com> ---- - include/uapi/mtd/ubi-user.h | 19 +++++++++++++++---- - 1 file changed, 15 insertions(+), 4 deletions(-) - ---- a/include/uapi/mtd/ubi-user.h -+++ b/include/uapi/mtd/ubi-user.h -@@ -138,9 +138,12 @@ - * Block devices on UBI volumes - * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~ - * -- * 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. -+ * To create a R/O block device on top of an UBI volume the %UBI_IOCVOLCRBLK -+ * should be used. A pointer to a &struct ubi_blkcreate_req object is expected -+ * to be passed, which is not used and reserved for future usage. -+ * -+ * Conversely, to remove a block device the %UBI_IOCVOLRMBLK should be used, -+ * which takes no arguments. - */ - - /* -@@ -199,7 +202,7 @@ - #define UBI_IOCSETVOLPROP _IOW(UBI_VOL_IOC_MAGIC, 6, \ - struct ubi_set_vol_prop_req) - /* Create a R/O block device on top of an UBI volume */ --#define UBI_IOCVOLCRBLK _IO(UBI_VOL_IOC_MAGIC, 7) -+#define UBI_IOCVOLCRBLK _IOW(UBI_VOL_IOC_MAGIC, 7, struct ubi_blkcreate_req) - /* Remove the R/O block device */ - #define UBI_IOCVOLRMBLK _IO(UBI_VOL_IOC_MAGIC, 8) - -@@ -431,4 +434,12 @@ struct ubi_set_vol_prop_req { - __u64 value; - } __packed; - -+/** -+ * struct ubi_blkcreate_req - a data structure used in block creation requests. -+ * @padding: reserved for future, not used, has to be zeroed -+ */ -+struct ubi_blkcreate_req { -+ __s8 padding[128]; -+} __packed; -+ - #endif /* __UBI_USER_H__ */ |