On Mon, 2022-04-25 at 00:19 -0400, Kent Overstreet wrote: > On Mon, Apr 25, 2022 at 03:44:34AM +0100, Matthew Wilcox wrote: > > On Sun, Apr 24, 2022 at 04:46:03PM -0700, Joe Perches wrote: > > > > + * pr_human_readable_u64, pr_human_readable_s64: Print an integer with human > > > > + * readable units. > > > > > > Why not extend vsprintf for this using something like %pH[8|16|32|64] > > > or %pH[c|s|l|ll|uc|us|ul|ull] ? > > > > The %pX extension we have is _cute_, but ultimately a bad idea. It > > centralises all kinds of unrelated things in vsprintf.c, eg bdev_name() > > and clock() and ip_addr_string(). > > And it's not remotely discoverable. I didn't realize we had bdev_name() > available as a format string until just now or I would've been using it! Documentation/core-api/printk-formats.rst
