[PATCH 3/4] commands: ubi: Add ubiupdatevol command
Sascha Hauer
s.hauer at pengutronix.de
Wed Jun 22 23:43:32 PDT 2016
On Wed, Jun 22, 2016 at 11:02:40AM +0200, Teresa Remmet wrote:
> Add ubiupdatevol command. This is to update static
> and dynamic volumes.
>
> Signed-off-by: Teresa Remmet <t.remmet at phytec.de>
> ---
> commands/ubi.c | 52 ++++++++++++++++++++++++++++++++++++++++++++++++++++
> 1 file changed, 52 insertions(+)
>
> diff --git a/commands/ubi.c b/commands/ubi.c
> index f4ff5e7..e727776 100644
> --- a/commands/ubi.c
> +++ b/commands/ubi.c
> @@ -5,12 +5,64 @@
> #include <ioctl.h>
> #include <errno.h>
> #include <getopt.h>
> +#include <libfile.h>
> #include <linux/mtd/mtd.h>
> #include <linux/kernel.h>
> +#include <linux/stat.h>
> #include <linux/mtd/mtd-abi.h>
> #include <mtd/ubi-user.h>
> #include <mtd/ubi-media.h>
>
> +static int do_ubiupdatevol(int argc, char *argv[])
> +{
> + int fd_vol, ret;
> + uint64_t size = 0;
> + void *buf;
> +
> + if (argc - optind < 2)
> + return COMMAND_ERROR_USAGE;
> +
> + buf = read_file(argv[optind+1], (size_t *) &size);
> + if (!buf) {
> + perror("read");
> + return 1;
> + }
This limits us to files that fit into memory. Is it worth it to
read/write in a loop?
Sascha
--
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