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With the addition of block device access to UBI volumes, we now
add a simple userspace tool to access the new ioctls.
Usage of this tool is as simple as it gets:
$ ubiblock --create /dev/ubi0_0
will create a new block device /dev/ubiblock0_0, and
$ ubiblock --remove /dev/ubi0_0
will remove the device.
Artem: slightly changed the header comment.
Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
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The build rule for mkfs.ubifs was missing an LDFLAGS_* variable like
mkfs.jffs2 had. This prevented mkfs.ubifs from being built against
explicit external libraries which is needed when cross-compiling.
This also adds UUIDCPPFLAGS and UUIDLDFLAGS variables to support the
mkfs.ubifs build.
Signed-off-by: Aaron Sierra <asierra@xes-inc.com>
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Now, the MTD_NANDFLASH stands for SLC nand, and the MTD_MLCNANDFLASH
stands for the MLC nand.
This patch includes the stdbool.h, and changes the "isNAND" to boolean type,
and checks the right nand type for the MLC and SLC nand.
If the user wants to format a MLC nand for JFFS2, we will print out a message
to warn him, and exit right now.
Signed-off-by: Huang Shijie <b32955@freescale.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
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In the current code, the MTD_NANDFLASH stands for both the SLC and MLC.
In the kernel, the MTD_NANDFLASH only stands for the SLC now,
so in order to keep the logic unchanged, we should also check the MLC
NAND by MTD_MLCNANDFLASH.
Signed-off-by: Huang Shijie <b32955@freescale.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
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Use the mtd_type_is_nand_user() helper to check if it is a NAND
(including SLC/MLC).
Signed-off-by: Huang Shijie <b32955@freescale.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
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The helper is for user applications, and it is just a copy of
the kernel helper: mtd_type_is_nand();
Signed-off-by: Huang Shijie <b32955@freescale.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
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The MTD_MLCNANDFLASH case is missed in the current code.
This patch adds it.
Signed-off-by: Huang Shijie <b32955@freescale.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
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This already has a --size option for controlling how many bytes to read
from the input. Add a --skip option to control the offset into the input
too. This way people don't have to do `dd | ubiupdatevol`.
While we're here, I've fixed the types used with args.size and the read
loop so that they can hold the right sizes (like setting a 32bit+ size).
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
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This is a delta between v1 and v2 of the patches. I pushed v1 instead of
picking v2, and this is a fixup.
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
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If you have a file image and want to copy sub-portions out and into
NAND, there's no easy way to do that. You can use dd to extract it
to a temp file, or pipe it to nandwrite 1 page at a time. Both suck.
Add two new flags to explicitly set the size and offset of the input
file. Seeking stdin isn't currently supported as I'm not sure it's
necessary. It wouldn't be hard to add though...
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
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We use 'int' in many places to represent offsets/sizes. That obviously
does not play well with larger NAND devices on 32bit systems. Instead,
use the right type as needed:
- long long to represent the length of the image
- use fstat() rather than lseek();lseek(); to get the length of the image
- use size_t/ssize_t when working with read()
- tweak the printf formats as needed
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
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We should send the output to stdout when the user passes -h/--help
and then exit(0), but otherwise the output should go to stderr and
then exit(1).
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
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These call sites either assume there is no failure (they deref the
pointer right away), or the exit themselves. Use xstrdup() instead.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
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Sometimes I want to re-initialize an existing ubifs, but the tool
currently bails out if the volume is already formatted. Prompt the
user instead so they can decide.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
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We've got a few tools that prompt the user for "yes/no" questions.
Add a common helper to simplify the various implementations.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
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A bunch of utils are relying on _GNU_SOURCE already. The new prompt code
uses getline() which is now part of POSIX, but in older versions of glibc,
it was behind _GNU_SOURCE as it was a GNU extension.
This change doesn't actually tie us to glibc. Only code that uses GNU
extensions does that. It just kills warning when using older versions of
glibc.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
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Building with linux-headers-3.9 and glibc-2.17 fails like so:
In file included from summary.h:15:0,
from jffs2dump.c:37:
/usr/include/linux/uio.h:16:8: error: redefinition of 'struct iovec'
struct iovec
^
In file included from /usr/include/bits/fcntl-linux.h:38:0,
from /usr/include/bits/fcntl.h:61,
from /usr/include/fcntl.h:35,
from jffs2dump.c:25:
/usr/include/bits/uio.h:43:8: note: originally defined here
struct iovec
^
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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We already have a helper header for swapping bytes as needed, so cut
the ftl tools over to that rather than re-implement things.
I don't actually have any devices with this kind of flash, so I can't
runtime test it. But things *look* ok to me :).
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
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Drop duplicate "and the", and tweak grammar slightly.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
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Saves a syscall.
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
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Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
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Signed-off-by: Elie De Brauwer <eliedebrauwer@gmail.com>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
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In the problem above I've spend several hours waiting for the issue to
appear, only to had the 'luck' that it was found in a file whose name was
256 bytes in length, resulting in the write to fail. Closer examination
showed that the buffer to store the path was 256 bytes in length, but this
buffer also includes /tmp and the read/write suffix and should be able to
contain a filename which is up to 255 bytes (NAME_MAX in linux/limits.h)
in size which is a bad fit. So that array is modified to FILENAME_MAX
(stdio_lim.h) and some checking is added to truncate the filename should
it cause an overflow.
The following log shows the first patch in action (see the correct seed),
and shows why this third patch is needed:
<quote>
integck: File Data:
integck: Offset: 0 Size: 1 Seed: 5008310 R.Off: 0
integck: 1 writes
integck: ============================================
integck: Write Info:
integck: Offset: 0 Size: 1 Seed: 5008310 R.Off: 0
integck: Offset: 0 Size: 1 Seed: 8246352 R.Off: 0
integck: Offset: 0 Size: 1 Seed: 5078796 R.Off: 0
integck: Offset: 0 Size: 1 Seed: 2267087 R.Off: 0
integck: Offset: 0 Size: 1 Seed: 3602680 R.Off: 0
integck: 5 writes or truncations
integck: ============================================
integck: Saving /tmp/yqcnfygfitaatyeyvffrguegcdttamcnyhowhgieljfuxfipiljsjcbluaeaghwyinkggommsbwnmvekihgnwgiibccpbwfrpxuxwkmnyghnutrudienngxwgorudbskedaaekiuiyqksfazrwzfwbfhzjjqoiulebtlpbfiuffmsnguqkjzqjqizimsmhbqqagaebjdhqwmzdxghiavtcxubegawlgtvstuqurkurpnrckjfkgostdtpg.integ.sav.readn
integck: error!: condition 'w_fd != -1' failed in save_file() at integck.c:1445
integck: error 36 (File name too long)
</quote>
Signed-off-by: Elie De Brauwer <eliedebrauwer@gmail.com>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
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the errors
See my problem description int the previous commit, the point is that integck
in file_check_data reads a buffer, and then checks if the data is correct, it
will do a seek(0), and reread from the same fd. The point is that in the
scenario I observed integck failed (due to a buffer mismatch) but the it saved
(and what was in flash) was actually correct. So I modified this function to
dump the buffers to stderr at the moment an error is found.
Signed-off-by: Elie De Brauwer <eliedebrauwer@gmail.com>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
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<quote>
integck: File Data:
integck: Offset: 0 Size: 196 Seed: 5999877 R.Off: 0
integck: Offset: 196 Size: 33 Seed: 4160795 R.Off: 0
integck: Offset: 229 Size: 1252 Seed: 8070052 R.Off: 0
integck: Offset: 1481 Size: 612 Seed: 4160795 R.Off: 1285
integck: Offset: 2093 Size: 6 Seed: 6946586 R.Off: 0
integck: Offset: 2099 Size: 536 Seed: 4160795 R.Off: 1903
integck: Offset: 2635 Size: 1562 Seed: 9845455 R.Off: 0
integck: Offset: 4197 Size: 80 Seed: 702818 R.Off: 0
integck: Offset: 4277 Size: 115 Seed: 9845455 R.Off: 1642
integck: 9 writes
integck: ============================================
integck: Write Info:
integck: Offset: 826 Size: 357 Seed: 5908448 R.Off: 0
integck: Offset: 4197 Size: 80 Seed: 702818 R.Off: 0
...
</quote>
And I would expect the file data listing to include at offset 826 something
with a size of 357 and a seed of 5908448. Clearly it is not there (which
is already extremely confusing). The point is that file_write_info first
updates the raw_write, then verifies the data (passing the new write)
and only after that updates the write structure. But in file_check_data
only the newly written data is verified (passed as an argument) whilst
the save_file() function to dump the file uses the raw_writes to recreate
the written data (while raw_writes is only updated after after this check
would have succeeded). Several lines to say that in this patch the verify
only gets called _after_ the datastructures are updated.
Signed-off-by: Elie De Brauwer <eliedebrauwer@gmail.com>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
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I'm not aware of any chip having a write size bigger than 2048 today.
Still checking for that instead of a sleeping problem to bite us maybe
in a few years is easy.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
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When doing something like:
{ printf "\xff"; printf "\xfe"; } | flash_otp_write -u /dev/mtd0 0
flash_otp_write might see only a single byte when reading from stdin for
the first tim. In this case (and without this patch) it pads to
$writesize with '\xff's and writes that out. In the next iteration it
reads the 2nd byte, pads and writes again. So the 2nd byte is written to
offset $writesize instead of 1.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
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Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
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A few error paths were closing the device, although it was not opened
yet.
Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
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Add -Q and --image-seq, remove double -v
Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
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Technically, '-l' linker options should be included only after the
objects which must link to the library. So when we include '-lpthread'
in the LDFLAGS variable, it gets placed too early (i.e., before the
io_paral.o object), and so the pthread linkage never occurs. The
following error probably only shows up with linkers that don't link
pthreads by default.
$ make tests V=1
...
gcc -I../../ubi-utils//include -I ../../include -lpthread -Wall -Wextra -Wwrite-strings -Wno-sign-compare -ffunction-sections -fdata-sections -Wl,--gc-sections -g -o /home/norris/git/mtd-utils/tests/ubi-tests/io_paral /home/norris/git/mtd-utils/tests/ubi-tests/io_paral.o /home/norris/git/mtd-utils/tests/ubi-tests/helpers.o libubi.a
/home/norris/git/mtd-utils/tests/ubi-tests/io_paral.o: In function `main':
/home/norris/git/mtd-utils/tests/ubi-tests/io_paral.c:287: undefined reference to `pthread_create'
/home/norris/git/mtd-utils/tests/ubi-tests/io_paral.c:295: undefined reference to `pthread_create'
/home/norris/git/mtd-utils/tests/ubi-tests/io_paral.c:303: undefined reference to `pthread_join'
collect2: ld returned 1 exit status
make[2]: *** [/home/norris/git/mtd-utils/tests/ubi-tests/io_paral] Error 1
...
$ ld --version
GNU ld (GNU Binutils for Ubuntu) 2.22
...
$ gcc --version
gcc (Ubuntu/Linaro 4.6.3-1ubuntu5) 4.6.3
...
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
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Sorry, the commit is huge, I just did not have time to split it.
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
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... to avoid confusion when the local common.h shadows the top-level common.h.
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
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This will not compile for me (due to bit rot?). Maybe the program is
never used?
Signed-off-by: Bill Pringlemeir <bpringlemeir@nbsps.com>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
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Both logic (only print when not quiet) and the indentation suggest that
the braces around the block have been forgotten.
Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
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The is_contained() function returns -1 if an error occurs when
canonicalizing the output file path/root directory. This resulted in the
confusing error message 'Error: The output file cannot be in the UBIFS
root' when specifying a non-existent directory for the output.
This patch changes the error handling to display a different error
message for the case when is_contained() returns -1.
Additionally it frees all memory allocated by is_contained().
Signed-off-by: Marcus Prebble <marcus.prebble@axis.com>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
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We use the 'in_path()' function to check whether the output image is
withing the mkfs.ubifs root directory or not. However, this function
is not correct and it fails for the following situation, as
Marcus Prebble <marcus.prebble@axis.com> reports:
1. We have our root file-system mounted at / and want to build an image
out of it.
2. We have tmpfs mounted at /tmp
3. We mount the root file-system under /tmp/newroot
4. We run mkfs.ubifs with -r /tmp/newroot -o /tmp/image
And this fails. It fails because 'in_path()' misses this use-case.
This patch re-implements the check completely. Now we use 'realpath()'
to find canonical paths and just check that the output file is not
under the root mkfs.ubifs directory.
Reported-by: Marcus Prebble <marcus.prebble@axis.com>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Tested-by: Marcus Prebble <marcus.prebble@axis.com>
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When compiled with WITHOUT_LARGEFILE, there was warnings like that:
warning: format '%9llu' expects type 'long long unsigned int',
but argument 3 has type '__off_t'
Using PRIdoff_t corrects that.
Signed-off-by: Richard Genoud <richard.genoud@gmail.com>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
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We should use the off_t type instead of off64_t or u_int32_t as its
length is controlled by the WITHOUT_LARGEFILE flag.
Signed-off-by: Richard Genoud <richard.genoud@gmail.com>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
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They will be usefull when printing offsets.
Signed-off-by: Richard Genoud <richard.genoud@gmail.com>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
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There's a typo in lseek parameters order.
But, due to the value of SEEK_SET, this commit doesn't introduce a
change.
Signed-off-by: Richard Genoud <richard.genoud@gmail.com>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
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The offset (which is 64bits when mtd-utils are not compile with
WITHOUT_LARGEFILE) is calculated like that:
offset = nb * size;
But nb and size are int, so on 32bits platforms, there's a possible
overflow.
So, it should be replace with:
offset = (off_t)nb * size;
If WITHOUT_LARGEFILE is defined, there still be an overflow, but it's
what we want, right ?
Cheney Chen tested an ubiformat on a NAND (5.9 GiB mtd part).
Reported-by: Cheney Chen <cheneychencl2012@gmail.com>
Tested-by: Cheney Chen <cheneychencl2012@gmail.com>
Signed-off-by: Richard Genoud <richard.genoud@gmail.com>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
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Signed-off-by: Richard Genoud <richard.genoud@gmail.com>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
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If the kernel doesn't know the max_beb_per1024 parameter in the attach
ioctl, but the call still succeeded ubi_attach and ubi_attach_mtd will
return 1 instead of 0.
In this case, the ubiattach command will detach the device and fail with
an error message.
Signed-off-by: Richard Genoud <richard.genoud@gmail.com>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
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The ioctl UBI_IOCATT has been extended with max_beb_per1024 parameter.
This parameter is used for adjusting the "maximum expected number of
bad blocks per 1024 blocks" for each mtd device.
The number of physical erase blocks (PEB) that UBI will reserve for bad
block handling is now:
whole_flash_chipset__PEB_number * max_beb_per1024 / 1024
This means that for a 4096 PEB NAND device with 3 MTD partitions:
mtd0: 512 PEB
mtd1: 1536 PEB
mtd2: 2048 PEB
the commands:
ubiattach -m 0 -d 0 -b 20 /dev/ubi_ctrl
ubiattach -m 1 -d 1 -b 20 /dev/ubi_ctrl
ubiattach -m 2 -d 2 -b 20 /dev/ubi_ctrl
will attach mtdx to UBIx and reserve:
80 PEB for bad block handling on UBI0
80 PEB for bad block handling on UBI1
80 PEB for bad block handling on UBI2
=> for the whole device, 240 PEB will be reserved for bad block
handling.
This may seems a waste of space, but as far as the bad blocks can appear
every where on a flash device, in the worst case scenario they can
all appear in one MTD partition.
So the maximum number of expected erase blocks given by the NAND
manufacturer should be reserve on each MTD partition.
Signed-off-by: Richard Genoud <richard.genoud@gmail.com>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
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The 'ubi_attach_mtd()' is not used and it is redundant now. 'ubi_attach()'
function may be used instead.
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
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The req->mtd_num value is now updated with the MTD device number found
by mtd_node_to_num.
Signed-off-by: Richard Genoud <richard.genoud@gmail.com>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
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Signed-off-by: Richard Genoud <richard.genoud@gmail.com>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
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Also remove the eraseblock type support, because kernel commit
a65a0eb6d198e058687a9214683bd1c418f20d39 set the dtype
parameter as obsolete.
Also adjust to some renames:
* 'UBI_PROP_DIRECT_WRITE' -> 'UBI_VOL_PROP_DIRECT_WRITE'
* 'struct ubi_set_prop_req' -> 'struct ubi_set_vol_prop_req'.
* 'UBI_IOCSETPROP' -> 'UBI_IOCSETVOLPROP'
Signed-off-by: Richard Genoud <richard.genoud@gmail.com>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
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If /proc/mtd does not exist, we have this warning:
grep: /proc/mtd: No such file or directory
Get rid of this.
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
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