152 	char *buf;  in __trace_note_message()  local
166 	buf = this_cpu_ptr(bt->msg_data);  in __trace_note_message()
168 	n = vscnprintf(buf, BLK_TN_MAX_MSG, fmt, args);  in __trace_note_message()
174 	trace_note(bt, 0, BLK_TN_MESSAGE, buf, n,  in __trace_note_message()
177 	trace_note(bt, 0, BLK_TN_MESSAGE, buf, n, NULL);  in __trace_note_message()
373 	char buf[16];  in blk_dropped_read()  local
375 	snprintf(buf, sizeof(buf), "%u\n", atomic_read(&bt->dropped));  in blk_dropped_read()
377 	return simple_read_from_buffer(buffer, count, ppos, buf, strlen(buf));  in blk_dropped_read()
418 static int blk_subbuf_start_callback(struct rchan_buf *buf, void *subbuf,  in blk_subbuf_start_callback()  argument
423 	if (!relay_buf_full(buf))  in blk_subbuf_start_callback()
426 	bt = buf->chan->private_data;  in blk_subbuf_start_callback()
441 						   struct rchan_buf *buf,  in blk_create_buf_file_callback()  argument
444 	return debugfs_create_file(filename, mode, parent, buf,  in blk_create_buf_file_callback()
1636 					 char *buf);
1639 					  const char *buf, size_t count);
1691 	char *buf, *s, *token;  in blk_trace_str2mask()  local
1693 	buf = kstrdup(str, GFP_KERNEL);  in blk_trace_str2mask()
1694 	if (buf == NULL)  in blk_trace_str2mask()
1696 	s = strstrip(buf);  in blk_trace_str2mask()
1717 	kfree(buf);  in blk_trace_str2mask()
1722 static ssize_t blk_trace_mask2str(char *buf, int mask)  in blk_trace_mask2str()  argument
1725 	char *p = buf;  in blk_trace_mask2str()
1730 				    (p == buf) ? "" : ",", mask_maps[i].str);  in blk_trace_mask2str()
1735 	return p - buf;  in blk_trace_mask2str()
1748 					 char *buf)  in sysfs_blk_trace_attr_show()  argument
1766 		ret = sprintf(buf, "%u\n", !!q->blk_trace);  in sysfs_blk_trace_attr_show()
1771 		ret = sprintf(buf, "disabled\n");  in sysfs_blk_trace_attr_show()
1773 		ret = blk_trace_mask2str(buf, q->blk_trace->act_mask);  in sysfs_blk_trace_attr_show()
1775 		ret = sprintf(buf, "%u\n", q->blk_trace->pid);  in sysfs_blk_trace_attr_show()
1777 		ret = sprintf(buf, "%llu\n", q->blk_trace->start_lba);  in sysfs_blk_trace_attr_show()
1779 		ret = sprintf(buf, "%llu\n", q->blk_trace->end_lba);  in sysfs_blk_trace_attr_show()
1791 					  const char *buf, size_t count)  in sysfs_blk_trace_attr_store()  argument
1803 		if (kstrtoull(buf, 0, &value)) {  in sysfs_blk_trace_attr_store()
1805 			ret = blk_trace_str2mask(buf);  in sysfs_blk_trace_attr_store()
1810 	} else if (kstrtoull(buf, 0, &value))  in sysfs_blk_trace_attr_store()