diff options
| author | Heiko Schocher <hs@denx.de> | 2014-07-15 16:08:43 +0200 |
|---|---|---|
| committer | Tom Rini <trini@ti.com> | 2014-08-25 19:25:56 -0400 |
| commit | 4e67c57125290b25467134638cefdcc74c6eebeb (patch) | |
| tree | 852f1d6cb4cfd9177389166fd2c4b2cb1469e430 /include/mtd | |
| parent | ddf7bcfa6c5a1d9647046c18e4945f0b0686aec5 (diff) | |
mtd,ubi,ubifs: sync with linux v3.15
snyc with linux v3.15:
commit 1860e379875dfe7271c649058aeddffe5afd9d0d
Author: Linus Torvalds <torvalds@linux-foundation.org>
Date: Sun Jun 8 11:19:54 2014 -0700
Linux 3.15
Signed-off-by: Heiko Schocher <hs@denx.de>
Cc: Scott Wood <scottwood@freescale.com>
Cc: Tom Rini <trini@ti.com>
Diffstat (limited to 'include/mtd')
| -rw-r--r-- | include/mtd/ubi-user.h | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/include/mtd/ubi-user.h b/include/mtd/ubi-user.h index c93914ad25..22d90040f8 100644 --- a/include/mtd/ubi-user.h +++ b/include/mtd/ubi-user.h @@ -122,6 +122,16 @@ * used. A pointer to a &struct ubi_set_vol_prop_req object is expected to be * passed. The object describes which property should be set, and to which value * it should be set. + * + * Block devices on UBI volumes + * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + * + * 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. */ /* @@ -179,6 +189,10 @@ /* Set an UBI volume property */ #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 _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) /* Maximum MTD device name length supported by UBI */ #define MAX_UBI_MTD_NAME_LEN 127 @@ -408,4 +422,12 @@ 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__ */ |