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mtd,ubi,ubifs: sync with linux v3.15

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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>
This commit is contained in:
Heiko Schocher
2014-07-15 16:08:43 +02:00
committed by Tom Rini
parent ddf7bcfa6c
commit 4e67c57125
11 changed files with 341 additions and 68 deletions
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22
include/mtd/ubi-user.h
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@@ -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__ */