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Message-ID: <ZTuWrDdLr16Oo6La@casper.infradead.org> Date: Fri, 27 Oct 2023 11:53:32 +0100 From: Matthew Wilcox <willy@...radead.org> To: Christoph Hellwig <hch@....de> Cc: Kees Cook <keescook@...omium.org>, Steven Rostedt <rostedt@...dmis.org>, Justin Stitt <justinstitt@...gle.com>, Kent Overstreet <kent.overstreet@...ux.dev>, Petr Mladek <pmladek@...e.com>, Andy Shevchenko <andriy.shevchenko@...ux.intel.com>, Rasmus Villemoes <linux@...musvillemoes.dk>, Sergey Senozhatsky <senozhatsky@...omium.org>, Masami Hiramatsu <mhiramat@...nel.org>, Greg Kroah-Hartman <gregkh@...uxfoundation.org>, Arnd Bergmann <arnd@...db.de>, Jonathan Corbet <corbet@....net>, Yun Zhou <yun.zhou@...driver.com>, Jacob Keller <jacob.e.keller@...el.com>, Zhen Lei <thunder.leizhen@...wei.com>, linux-trace-kernel@...r.kernel.org, Yosry Ahmed <yosryahmed@...gle.com>, linux-kernel@...r.kernel.org, linux-hardening@...r.kernel.org Subject: Re: [PATCH v2] seq_buf: Introduce DECLARE_SEQ_BUF and seq_buf_str() On Fri, Oct 27, 2023 at 06:54:51AM +0200, Christoph Hellwig wrote: > > Instead, we can just return s->buffer direction after terminating it > > in refactored seq_buf_terminate(), now known as seq_buf_str(): > > > > do_soemthing(seq_buf_str(s)); > > Looks good. Btw, one typical do_something would be printing it, > so adding a format specifier that's using this helper would also > probably be very useful. my hope is to get vsprintf.c completely refactored to use seq_buf internally, and then printsb(&sb) would actually be a primitive we'd have insted of printk("%pSB", &sb); this would btw let us get rid of the entire %pFOO infrastructure. and make dump_page() far less crap.
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