On Tue, Apr 19, 2022 at 10:02:20PM -0700, Christoph Hellwig wrote: > On Tue, Apr 19, 2022 at 04:31:59PM -0400, Kent Overstreet wrote: > > This adds printbufs: simple heap-allocated strings meant for building up > > structured messages, for logging/procfs/sysfs and elsewhere. They've > > been heavily used in bcachefs for writing .to_text() functions/methods - > > pretty printers, which has in turn greatly improved the overall quality > > of error messages. > > How does this use case differ from that of lib/seq_buf.c? I hadn't come across that code before, thanks for pointing it out :) seq_buf.c looks exactly like an older version of printbufs, from before I added the auto heap allocating functionality. seq_buf.c could be dropped, I could go ahead and convert existing users to printbufs.