On Tue, Mar 03, 2020 at 10:26:21AM +0100, Miklos Szeredi wrote:
> No, I don't think this is going to be a performance issue at all, but
> if anything we could introduce a syscall
>
> ssize_t readfile(int dfd, const char *path, char *buf, size_t
> bufsize, int flags);
off-topic, but I'll buy you many many beers if you implement it ;-),
because open + read + close is pretty common for /sys and /proc in
many userspace tools; for example ps, top, lsblk, lsmem, lsns, udevd
etc. is all about it.
Karel
--
Karel Zak <kzak@xxxxxxxxxx>
http://karelzak.blogspot.com
