On 10/24/19 6:02 PM, Robert Karszniewicz wrote:
> This makes it possible to mount block devices from the host machine,
> which have been passed as arguments to --image
>
> Signed-off-by: Robert Karszniewicz <r.karszniewicz@xxxxxxxxx>
> ---
> arch/sandbox/os/common.c | 8 ++++++++
> 1 file changed, 8 insertions(+)
>
> diff --git a/arch/sandbox/os/common.c b/arch/sandbox/os/common.c
> index 86118822a..805ac8eef 100644
> --- a/arch/sandbox/os/common.c
> +++ b/arch/sandbox/os/common.c
> @@ -39,6 +39,8 @@
> #include <signal.h>
> #include <sys/select.h>
> #include <sys/wait.h>
> +#include <sys/ioctl.h>
> +#include <linux/fs.h>
> /*
> * ...except the ones needed to connect with barebox
> */
> @@ -260,6 +262,12 @@ static int add_image(char *str, char *devname_template, int *devname_number)
> hf->size = s.st_size;
> hf->devname = strdup(devname);
>
> + if (S_ISBLK(s.st_mode)) {
> + if (-1 == ioctl(fd, BLKGETSIZE64, &hf->size)) {
This looks out of place for barebox, the -1 should be on the right side.
> + perror("ioctl");
> + goto err_out;
> + }
> + }
> hf->base = (unsigned long)mmap(NULL, hf->size,
> PROT_READ | (readonly ? 0 : PROT_WRITE),
> MAP_SHARED, fd, 0);
>
--
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