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Message-Id: <1513010210-30594-3-git-send-email-josef@toxicpanda.com>
Date: Mon, 11 Dec 2017 11:36:47 -0500
From: Josef Bacik <josef@...icpanda.com>
To: rostedt@...dmis.org, mingo@...hat.com, davem@...emloft.net,
netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
ast@...nel.org, kernel-team@...com, daniel@...earbox.net,
linux-btrfs@...r.kernel.org
Cc: Josef Bacik <jbacik@...com>
Subject: [PATCH v9 2/5] btrfs: make open_ctree error injectable
From: Josef Bacik <jbacik@...com>
This allows us to do error injection with BPF for open_ctree.
Signed-off-by: Josef Bacik <jbacik@...com>
Acked-by: Ingo Molnar <mingo@...nel.org>
---
fs/btrfs/disk-io.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 10a2a579cc7f..02b5f5667754 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -30,6 +30,7 @@
#include <linux/ratelimit.h>
#include <linux/uuid.h>
#include <linux/semaphore.h>
+#include <linux/bpf.h>
#include <asm/unaligned.h>
#include "ctree.h"
#include "disk-io.h"
@@ -3123,6 +3124,7 @@ int open_ctree(struct super_block *sb,
goto fail_block_groups;
goto retry_root_backup;
}
+BPF_ALLOW_ERROR_INJECTION(open_ctree);
static void btrfs_end_buffer_write_sync(struct buffer_head *bh, int uptodate)
{
--
2.7.5
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