13 static inline unsigned __printbuf_linelen(struct printbuf *buf, unsigned pos)  in __printbuf_linelen()  argument
15 	return pos - buf->last_newline;  in __printbuf_linelen()
18 static inline unsigned printbuf_linelen(struct printbuf *buf)  in printbuf_linelen()  argument
20 	return __printbuf_linelen(buf, buf->pos);  in printbuf_linelen()
26 static inline unsigned cur_tabstop(struct printbuf *buf)  in cur_tabstop()  argument
28 	return buf->cur_tabstop < buf->nr_tabstops  in cur_tabstop()
29 		? buf->_tabstops[buf->cur_tabstop]  in cur_tabstop()
59 	char *buf = krealloc(out->buf, new_size, !out->atomic ? GFP_KERNEL : GFP_NOWAIT);  in bch2_printbuf_make_room()  local
61 	if (!buf) {  in bch2_printbuf_make_room()
67 	out->buf	= buf;  in bch2_printbuf_make_room()
84 		memmove(out->buf + pos + nr,  in printbuf_insert_spaces()
85 			out->buf + pos,  in printbuf_insert_spaces()
89 		memset(out->buf + pos, ' ', min(nr, out->size - pos));  in printbuf_insert_spaces()
100 		char *p = out->buf + pos;  in __printbuf_do_indent()
107 		pos = n - out->buf;  in __printbuf_do_indent()
166 		len = vsnprintf(out->buf + out->pos, printbuf_remaining_size(out), fmt, args2);  in bch2_prt_vprintf()
183 		len = vsnprintf(out->buf + out->pos, printbuf_remaining_size(out), fmt, args);  in bch2_prt_printf()
199 const char *bch2_printbuf_str(const struct printbuf *buf)  in bch2_printbuf_str()  argument
206 	return buf->pos  in bch2_printbuf_str()
207 		? buf->buf  in bch2_printbuf_str()
216 void bch2_printbuf_exit(struct printbuf *buf)  in bch2_printbuf_exit()  argument
218 	if (buf->heap_allocated) {  in bch2_printbuf_exit()
219 		kfree(buf->buf);  in bch2_printbuf_exit()
220 		buf->buf = ERR_PTR(-EINTR); /* poison value */  in bch2_printbuf_exit()
224 void bch2_printbuf_tabstops_reset(struct printbuf *buf)  in bch2_printbuf_tabstops_reset()  argument
226 	buf->nr_tabstops = 0;  in bch2_printbuf_tabstops_reset()
229 void bch2_printbuf_tabstop_pop(struct printbuf *buf)  in bch2_printbuf_tabstop_pop()  argument
231 	if (buf->nr_tabstops)  in bch2_printbuf_tabstop_pop()
232 		--buf->nr_tabstops;  in bch2_printbuf_tabstop_pop()
245 int bch2_printbuf_tabstop_push(struct printbuf *buf, unsigned spaces)  in bch2_printbuf_tabstop_push()  argument
247 	unsigned prev_tabstop = buf->nr_tabstops  in bch2_printbuf_tabstop_push()
248 		? buf->_tabstops[buf->nr_tabstops - 1]  in bch2_printbuf_tabstop_push()
251 	if (WARN_ON(buf->nr_tabstops >= ARRAY_SIZE(buf->_tabstops)))  in bch2_printbuf_tabstop_push()
254 	buf->_tabstops[buf->nr_tabstops++] = prev_tabstop + spaces;  in bch2_printbuf_tabstop_push()
255 	buf->has_indent_or_tabstops = true;  in bch2_printbuf_tabstop_push()
268 void bch2_printbuf_indent_add(struct printbuf *buf, unsigned spaces)  in bch2_printbuf_indent_add()  argument
270 	if (WARN_ON_ONCE(buf->indent + spaces < buf->indent))  in bch2_printbuf_indent_add()
273 	buf->indent += spaces;  in bch2_printbuf_indent_add()
274 	prt_chars(buf, ' ', spaces);  in bch2_printbuf_indent_add()
276 	buf->has_indent_or_tabstops = true;  in bch2_printbuf_indent_add()
288 void bch2_printbuf_indent_sub(struct printbuf *buf, unsigned spaces)  in bch2_printbuf_indent_sub()  argument
290 	if (WARN_ON_ONCE(spaces > buf->indent))  in bch2_printbuf_indent_sub()
291 		spaces = buf->indent;  in bch2_printbuf_indent_sub()
293 	if (buf->last_newline + buf->indent == buf->pos) {  in bch2_printbuf_indent_sub()
294 		buf->pos -= spaces;  in bch2_printbuf_indent_sub()
295 		printbuf_nul_terminate(buf);  in bch2_printbuf_indent_sub()
297 	buf->indent -= spaces;  in bch2_printbuf_indent_sub()
299 	if (!buf->indent && !buf->nr_tabstops)  in bch2_printbuf_indent_sub()
300 		buf->has_indent_or_tabstops = false;  in bch2_printbuf_indent_sub()
303 void bch2_prt_newline(struct printbuf *buf)  in bch2_prt_newline()  argument
305 	bch2_printbuf_make_room(buf, 1 + buf->indent);  in bch2_prt_newline()
307 	__prt_char_reserved(buf, '\n');  in bch2_prt_newline()
309 	buf->last_newline	= buf->pos;  in bch2_prt_newline()
311 	__prt_chars_reserved(buf, ' ', buf->indent);  in bch2_prt_newline()
313 	printbuf_nul_terminate_reserved(buf);  in bch2_prt_newline()
315 	buf->last_field		= buf->pos;  in bch2_prt_newline()
316 	buf->cur_tabstop	= 0;  in bch2_prt_newline()
322 		if (out->buf[p] == '\n') {  in bch2_printbuf_strip_trailing_newline()
326 		if (out->buf[p] != ' ')  in bch2_printbuf_strip_trailing_newline()
357 static void __prt_tab_rjust(struct printbuf *buf)  in __prt_tab_rjust()  argument
359 	int pad = (int) cur_tabstop(buf) - (int) printbuf_linelen(buf);  in __prt_tab_rjust()
361 		printbuf_insert_spaces(buf, buf->last_field, pad);  in __prt_tab_rjust()
363 	buf->last_field = buf->pos;  in __prt_tab_rjust()
364 	buf->cur_tabstop++;  in __prt_tab_rjust()
376 void bch2_prt_tab_rjust(struct printbuf *buf)  in bch2_prt_tab_rjust()  argument
378 	if (WARN_ON(!cur_tabstop(buf)))  in bch2_prt_tab_rjust()
381 	__prt_tab_rjust(buf);  in bch2_prt_tab_rjust()
414 				       out->buf + out->pos,  in bch2_prt_human_readable_u64()