Andy Green wrote:
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Somebody in the thread at some point said:
| On Fri, May 30, 2008 10:09 am, Andy Green wrote:
|
|> ~ But not mass storage: this operates in block mode and requires
complete
|> ownership of the storage by the host then (since if we have it mounted
|> too, we will write conflicting things to directory structures, etc).
|
| Could we emulate a block device, so that Windows thinks it has sole
| ownership of a USB block device with a FAT32 FS on it, but for every
block
| access call it makes we intercept the call, figure out what file windows
| is trying to read or write to, make the corresponding change to our local
| files (on and ext3 volume), and return emulated results back to windows.
|
| I dare say windows would get confused if I file it had cached got changed
| by Linux, but the user could probably put up with that.
This was proposed before, but it sounds horrible to me. Linux knows
already how to deal with sharing a mounted filesystem over the network,
better to go on leveraging stuff at that layer.
I think most phones that are capable of doing usb network/storage do
this, as well as the Nokia tablet devices.
It is not that difficult to make the software safely umount the
sd/cf/whatever on the device, rmmod/insmod the drivers and make it
available as a usb storage device to the host pc. Qtopia 4.4 will have
this feature built in and software to allow the user to change it.
To the user, its much easier than having to set up samba networking, and
most windows users do not have ssh, and developers can set up access
however they want it.
I don't much like Samba either but we could run a stripped down copy of
that or lighttpd on our end of the Ethernet-over-USB connection and
provide a solid filesystem access solution without any special projects.
~ We already have perl and sshd so KDE's fish:// works fine, just not
everybody runs KDE :-)
http://linuxreviews.org/kde/kde-user-persp/fish.html
--
Lorn 'ljp' Potter
Software Engineer, Systems Group, MES, Trolltech
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