Re: [PATCH] kernel/printk: add kmsg SEEK_CUR handling

On (20/03/12 21:35), Bruno Meneguele wrote:

Userspace libraries, e.g. glibc's dprintf(), expect the default return value for invalid seek situations: -ESPIPE, but when the IO was over /dev/kmsg the current state of kernel code was returning the generic case of an -EINVAL. Hence, userspace programs were not behaving as expected or documented.

Hmm. I don't think I see ESPIPE in documentation [0], [1], [2]

[0] https://pubs.opengroup.org/onlinepubs/9699919799/functions/fprintf.html [1] http://man7.org/linux/man-pages/man3/dprintf.3p.html [2] http://man7.org/linux/man-pages/man3/fprintf.3p.html

-ss