RE: Help with tmpfs filesystem
> I mount my /tmp directory tmpfs but when I copy a file to it, it hangs
> the system. The file is largs ~4M but I'm not sure if that matters.
> Is there a limit og tmpfs within the limits of the available ram?
> Should I specify a size on this, but how?
> I looked into ramfs and thinking about using it instead but I'm not
> sure what's the difference (ramfs or tmpfs).
> My fstab looks like this:
> # <file system> <mount point> <type> <options> <dump>
> none /proc proc defaults 0 0
> none /proc/bus/usb usbfs defaults 0 0
> sysfs /sys sysfs defaults 0 0
> tmpfs /tmp tmpfs defaults 0 0
> /dev/mtdblock3 /var jffs2 defaults 0 0
> Does anyone have any suggestions?
I read on denx.de that if I oversize tmpfs that my machice will deadlock and this sounds like
what might be happening. It's the most possible thing I've read so far.
I would like to try something a bit different and would appreciate very much your
I would like to put my entire rootfs in a tmpfs on RAM. To do this I'll creata a mini cramfs
which will have the real rootfs that I will either uncompress or loopback mount to my tmpfs.
I have three questions here:
What sort of a filesystem should I make the real_root.img? Just a gz or tgz file?
When I uncompress the file and chroot to /tmpfs_rootfs, does my rcS script continue to execute
the remaining lines on this new root as it should? or at what point should I do the chroot?
If I do a loopback mount so that my new root is sitting in /tmpfs_root, do I use the mount
commant to mount the root or just do a chroot?
If there is simplier way, I'm always willing to hear it.
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