Thadeu Lima de Souza Cascardo <cascardo@xxxxxxxxxx> writes: > On Fri, Feb 23, 2024 at 10:52:12AM +0900, OGAWA Hirofumi wrote: >> Thadeu Lima de Souza Cascardo <cascardo@xxxxxxxxxx> writes: >> >> > The tools used for creating images for the Lego Mindstrom EV3 are not >> > adding '.' and '..' entry in the 'Projects' directory. >> > >> > Without this fix, the kernel can not fill the inode structure for >> > 'Projects' directory. >> > >> > See https://github.com/microsoft/pxt-ev3/issues/980 >> > And https://github.com/microsoft/uf2-linux/issues/6 >> > >> > When counting the number of subdirs, ignore .. subdir and add one when >> > setting the initial link count for directories. This way, when .. is >> > present, it is still accounted for, and when neither . or .. are present, a >> > single link is still done, as it should, since this link would be the one >> > from the parent directory. >> > >> > With this fix applied, we can mount an image with such empty directories, >> > access them, create subdirectories and remove them. >> >> This looks like the bug of those tools, isn't it? >> >> Thanks. >> -- >> OGAWA Hirofumi <hirofumi@xxxxxxxxxxxxxxxxxx> > > Which they refused to fix, arguing that there are already filesystems out there > in the world like that. Also, there is argument that this works on Windows, > though I haven't been able to test this. > > https://github.com/microsoft/pxt-ev3/issues/980 > https://github.com/microsoft/uf2-linux/issues/6 OK. If you want to add the workaround for this, it must emulate the correct format. I.e. sane link count even if without "."/"..". And furthermore it works for any operations. Thanks. -- OGAWA Hirofumi <hirofumi@xxxxxxxxxxxxxxxxxx>
