Re: [fuse-devel] FUSE and lseek()

[Goswin v. B. <gos...@we...>]

"Aditya Rajgarhia" <adi...@gm...> writes:

> Is the current file position set by FUSE daemon in the offset parameter for
> read/write() then? I did notice that parameter in FUSE which is not part of
> the system calls but didn't realize it may be for this purpose. If that's
> the case it would explain my confusion, which is that filesystems built on
> FUSE may need to do additional housekeeping when the file position is moved
> using lseek(), but if the position is passed to read/write() the work can be
> done there instead.
>
> Thanks for your reply -- let me know if my understanding is still incorrect!
>
> -Aditya

What fuse actualy implements is

   ssize_t pread(int fd, void *buf, size_t count, off_t offset);
   ssize_t pwrite(int fd, const void *buf, size_t count, off_t offset);

MfG
        Goswin