Failing to open file(s) for writes seems to be elegant solution but this will probably trigger error messages as well. Moreover I think it should trigger error message to give user feedback that card is write protected (by accident for example).
2013/5/6 Amaury Pouly <amaury.po...@gmail.com> > Hi , > I'm looking for some feedback on an issue which might not be one: > read-only storage. It appears that since virtually all DAP use micro-sd > card we never ran into this problem but I am porting Rockbox to the > Creative ZEN and ZEN X-Fi which feature a real SD card port and can sense > the write-protected switch of them. > The obvious solution is to completely ignore it of course but this is a > bit of shame. Another option is to simply fail all writes to the storage if > it is write protected (remember that this is completely software handled). > I am wondering if there would be any interest in doing something a bit > more clever, like making the file system code aware of read-only storage. > Indeed, failing all writes will potentially stress all write path, might > trigger bugs or obscure error messages to the user. A simple solution would > be to prevent opening opening a file for writing for example. > > Any thoughts ? > > Amaury Pouly >
