IMFS on ram-disk

Gedare Bloom gedare at rtems.org
Tue Jul 24 14:12:13 UTC 2018


On Tue, Jul 24, 2018 at 4:48 AM, Udit agarwal <dev.madaari at gmail.com> wrote:
> Hi all,
> I've been trying to use IMFS with a ramdisk on BBB. Here's what i did:
>
> After creating a ram disk (block size:512, block count:262144), i used
> mount_and_make_target_path("/dev/rda","/mnt",RTEMS_FILESYSTEM_TYPE_IMFS,RTEMS_FILESYSTEM_READ_WRITE,NULL)
>
> There is no error during bootup, but when allocating a file(in the /mnt
> directory) of size 10MB(or even of 1MB) it gives a file too large error.
> I've used similar config for RFS too and that did worked, so probably
> there's no issue while setting up the RAM disk.
>
> I've also tried testsuite/fstests/imfs_support setup, but looks like similar
> method doesn't work with ram-disks

What did you get back from mount_and_make_target_path()? Did it
succeed? I'm pretty sure this method should not be used for imfs, see
fstests/imfs_support/fs_support.c

> --
> Regards,
> Udit kumar agarwal
> http://uditagarwal.in/
>
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