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From: Josef Bacik <josef@toxicpanda.com>
To: rostedt@goodmis.org, mingo@redhat.com, davem@davemloft.net,
	netdev@vger.kernel.org, linux-kernel@vger.kernel.org,
	ast@kernel.org, kernel-team@fb.com, daniel@iogearbox.net,
	linux-btrfs@vger.kernel.org
Cc: Josef Bacik <jbacik@fb.com>
Subject: [PATCH v9 5/5] btrfs: allow us to inject errors at io_ctl_init
Date: Mon, 11 Dec 2017 11:36:50 -0500	[thread overview]
Message-ID: <1513010210-30594-6-git-send-email-josef@toxicpanda.com> (raw)
In-Reply-To: <1513010210-30594-1-git-send-email-josef@toxicpanda.com>

From: Josef Bacik <jbacik@fb.com>

This was instrumental in reproducing a space cache bug.

Signed-off-by: Josef Bacik <jbacik@fb.com>
Acked-by: Ingo Molnar <mingo@kernel.org>
---
 fs/btrfs/free-space-cache.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/fs/btrfs/free-space-cache.c b/fs/btrfs/free-space-cache.c
index 4426d1c73e50..fb1382893bfc 100644
--- a/fs/btrfs/free-space-cache.c
+++ b/fs/btrfs/free-space-cache.c
@@ -22,6 +22,7 @@
 #include <linux/slab.h>
 #include <linux/math64.h>
 #include <linux/ratelimit.h>
+#include <linux/bpf.h>
 #include "ctree.h"
 #include "free-space-cache.h"
 #include "transaction.h"
@@ -332,6 +333,7 @@ static int io_ctl_init(struct btrfs_io_ctl *io_ctl, struct inode *inode,
 
 	return 0;
 }
+BPF_ALLOW_ERROR_INJECTION(io_ctl_init);
 
 static void io_ctl_free(struct btrfs_io_ctl *io_ctl)
 {
-- 
2.7.5


  parent reply	other threads:[~2017-12-11 16:37 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-12-11 16:36 [PATCH v9 0/5] Add the ability to do BPF directed error injection Josef Bacik
2017-12-11 16:36 ` [PATCH v9 1/5] add infrastructure for tagging functions as error injectable Josef Bacik
2017-12-11 16:36 ` [PATCH v9 2/5] btrfs: make open_ctree " Josef Bacik
2017-12-11 16:36 ` [PATCH v9 3/5] bpf: add a bpf_override_function helper Josef Bacik
2017-12-11 16:36 ` [PATCH v9 4/5] samples/bpf: add a test for bpf_override_return Josef Bacik
2017-12-11 16:36 ` Josef Bacik [this message]
2017-12-12 17:37 ` [PATCH v9 0/5] Add the ability to do BPF directed error injection Alexei Starovoitov
2017-12-12 23:11 ` Darrick J. Wong
2017-12-13 18:03   ` Josef Bacik
2017-12-13 18:07     ` Darrick J. Wong
2017-12-13 18:57       ` Josef Bacik
2017-12-14  6:46         ` Masami Hiramatsu

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