Re: [fuse-devel] mysterious Input/output error

[Miklos S. <mi...@sz...>]

> I'm trying to get my toy FS to touch a file. I have the following
> functions already written:
> * access
> * getattr
> * mknod
> * readdir
> * statfs
> * utimens (just returns 0 now...)
> * write
> 
> In all of those functions, I have a fprintf to a file that's
> constantly flushed. When I try to touch "foo" I get the following
> error:
> 
>         touch: cannot touch `test/foo`: Input/output error
> 
> I don't know why I'm getting this error, fuse read/write functions
> arnt being called. My getattr function does read a inode from disk,
> but it is logging that it worked fine, like it did for the root dir.
> 
> What could be causing this?

EIO is probably because you are returning an invalid file mode in
getattr().

The file mode _must_ include the file type, such as S_IFREG or
S_IFDIR.

Miklos