bpftrace/SOURCES/bpftrace-0.13.1-Fix-mdflush...

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Diff

From 0585b27f6070c0d4016ae9b0d6e1a28261f2e2d2 Mon Sep 17 00:00:00 2001
From: Jerome Marchand <jmarchan@redhat.com>
Date: Fri, 15 Oct 2021 14:26:28 +0200
Subject: [PATCH 2/6] Fix mdflush
Since kernel commit 309dca309fc ("block: store a block_device pointer
in struct bio") struct bio points again to a block_device and not to a
gendisk directly.
Signed-off-by: Jerome Marchand <jmarchan@redhat.com>
---
tools/mdflush.bt | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/tools/mdflush.bt b/tools/mdflush.bt
index e767b81d..541abba1 100755
--- a/tools/mdflush.bt
+++ b/tools/mdflush.bt
@@ -26,5 +26,5 @@ kprobe:md_flush_request
{
time("%H:%M:%S ");
printf("%-6d %-16s %s\n", pid, comm,
- ((struct bio *)arg1)->bi_disk->disk_name);
+ ((struct bio *)arg1)->bi_bdev->bd_disk->disk_name);
}
--
2.35.3