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From 1eafb1f5aa0d3a9f60f89aad0ea55ae93899baff Mon Sep 17 00:00:00 2001
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From: Jerome Marchand <jmarchan@redhat.com>
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Date: Wed, 23 Feb 2022 16:04:30 +0100
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Subject: [PATCH 3/3] tools: include blk-mq.h in bio tools
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Kernel commit 24b83deb29b ("block: move struct request to blk-mq.h")
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has moved struct request from blkdev.h to blk-mq.h. It results in
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several bio tools to fail with errors of the following type:
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error: incomplete definition of type 'struct request'
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Since blk-mq.h had always included blkdev.h. it is safe to simply
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replace the inclusion of blkdev.h by blk-mq-h. It works on both older
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and newer kernel.
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Fixes: #3869
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Signed-off-by: Jerome Marchand <jmarchan@redhat.com>
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---
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tools/biolatency.py | 2 +-
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tools/biosnoop.py | 2 +-
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tools/biotop.py | 2 +-
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3 files changed, 3 insertions(+), 3 deletions(-)
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diff --git a/tools/biolatency.py b/tools/biolatency.py
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index f4e2c9ea..427cee47 100755
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--- a/tools/biolatency.py
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+++ b/tools/biolatency.py
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@@ -64,7 +64,7 @@ debug = 0
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# define BPF program
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bpf_text = """
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#include <uapi/linux/ptrace.h>
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-#include <linux/blkdev.h>
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+#include <linux/blk-mq.h>
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typedef struct disk_key {
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char disk[DISK_NAME_LEN];
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diff --git a/tools/biosnoop.py b/tools/biosnoop.py
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index 2b954ac9..ae38e384 100755
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--- a/tools/biosnoop.py
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+++ b/tools/biosnoop.py
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@@ -37,7 +37,7 @@ debug = 0
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# define BPF program
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bpf_text="""
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#include <uapi/linux/ptrace.h>
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-#include <linux/blkdev.h>
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+#include <linux/blk-mq.h>
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// for saving the timestamp and __data_len of each request
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struct start_req_t {
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diff --git a/tools/biotop.py b/tools/biotop.py
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index eac4dab9..b3e3ea00 100755
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--- a/tools/biotop.py
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+++ b/tools/biotop.py
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@@ -54,7 +54,7 @@ diskstats = "/proc/diskstats"
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# load BPF program
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bpf_text = """
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#include <uapi/linux/ptrace.h>
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-#include <linux/blkdev.h>
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+#include <linux/blk-mq.h>
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// for saving the timestamp and __data_len of each request
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struct start_req_t {
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--
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2.35.1
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