With MTP and similar stuff on cameras a lot of GUIs on different platforms don't even offer unmount options, and yes fsck wouldn't do anything since you don't have access to the filesystem, only to a software layer in front of the filesystem (which also helps the device OS protects its' files).
2013/10/24 Oleg Goldshmidt <p...@goldshmidt.org>: > "E.S. Rosenberg" <esr+linux...@g.jct.ac.il> writes: > >> Always unmounting properly is obviously best practise but isn't the >> whole point of mtp that unmount isn't strictly needed since you are >> not interacting with the fs but rather with some daemon on the device, >> so worst that can happen when you unplug is a corrupt file? > > As far as I understand MTP is supposed to act as a transactional > filesystem, i.e., if you want to modify a file you operate on a copy and > then write the whole file or nothing. Potentially slow, of course. The > actual filesystem is implemented on the device and not on the host. This > indicates - theoretically! - that you may be right.[1] > > I *read* that Google's MTP implementation on Android extends the > standard to avoid the potentially expensive copying of whole files back > and forth.[2] If that is the case then maybe properly unmounting is > prudent, after all. Maybe (I do not *know*) you still cannot damage the > filesystem itself, but you *may* be able to corrupt files. > > Disclaimer: I don't really know the details - do not believe my words > without checking on your own. > > [1] This also means, I *suppose*, that fsck on the host will not help > you out if the filesystem on your device gets corrupted. > > [2] It is not clear to me whether all the Android manufacturers > implement these extensions. Again, I *read somewhere*[3] that > Samsung do not. > > [3] Oh, hell, what is Google for? http://intr.overt.org/blog/?p=174 - > NB: this is the GNOME/GVFS guy, simple-mtpfs may be different. > > -- > Oleg Goldshmidt | p...@goldshmidt.org _______________________________________________ Linux-il mailing list Linux-il@cs.huji.ac.il http://mailman.cs.huji.ac.il/mailman/listinfo/linux-il
