From 0102c8c7fdfc4bd700971daff2b94470f4eafae4 Mon Sep 17 00:00:00 2001 From: Dapeng Mi Date: Thu, 17 Sep 2026 09:52:33 +0800 Subject: perf/x86/intel: Rename DMR offcore_rsp attribute to offmodule_rsp DMR introduces Offmodule Response events in place of the legacy Offcore Response events, but it still exposes the inherited offcore_rsp PMU attribute for programming the corresponding MSR data. Rename the DMR PMU attribute to offmodule_rsp so the sysfs interface matches the underlying event name and avoids user & tooling confusion. Signed-off-by: Dapeng Mi Signed-off-by: Peter Zijlstra (Intel) Signed-off-by: Ingo Molnar Link: https://patch.msgid.link/20260917015234.981153-12-dapeng1.mi@linux.intel.com --- drivers/md/dm-rq.h | 48 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 48 insertions(+) create mode 100644 drivers/md/dm-rq.h (limited to 'drivers/md/dm-rq.h') diff --git a/drivers/md/dm-rq.h b/drivers/md/dm-rq.h new file mode 100644 index 000000000..1f73e194e --- /dev/null +++ b/drivers/md/dm-rq.h @@ -0,0 +1,48 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Internal header file for device mapper + * + * Copyright (C) 2016 Red Hat, Inc. All rights reserved. + * + * This file is released under the LGPL. + */ + +#ifndef DM_RQ_INTERNAL_H +#define DM_RQ_INTERNAL_H + +#include +#include + +#include "dm-stats.h" + +struct mapped_device; + +/* + * For request-based dm - the bio clones we allocate are embedded in these + * structs. + * + * We allocate these with bio_alloc_bioset, using the front_pad parameter when + * the bioset is created - this means the bio has to come at the end of the + * struct. + */ +struct dm_rq_clone_bio_info { + struct bio *orig; + struct dm_rq_target_io *tio; + struct bio clone; +}; + +int dm_mq_init_request_queue(struct mapped_device *md, struct dm_table *t); +void dm_mq_cleanup_mapped_device(struct mapped_device *md); + +void dm_start_queue(struct request_queue *q); +void dm_stop_queue(struct request_queue *q); + +void dm_mq_kick_requeue_list(struct mapped_device *md); + +unsigned int dm_get_reserved_rq_based_ios(void); + +ssize_t dm_attr_rq_based_seq_io_merge_deadline_show(struct mapped_device *md, char *buf); +ssize_t dm_attr_rq_based_seq_io_merge_deadline_store(struct mapped_device *md, + const char *buf, size_t count); + +#endif -- cgit v1.3.1