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 v7 2/5] btrfs: make open_ctree error injectable
Date: Wed, 22 Nov 2017 16:23:31 -0500 [thread overview]
Message-ID: <1511385814-20863-3-git-send-email-josef@toxicpanda.com> (raw)
In-Reply-To: <1511385814-20863-1-git-send-email-josef@toxicpanda.com>
From: Josef Bacik <jbacik@fb.com>
This allows us to do error injection with BPF for open_ctree.
Signed-off-by: Josef Bacik <jbacik@fb.com>
Acked-by: Ingo Molnar <mingo@kernel.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 dfdab849037b..69d17a640b94 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"
@@ -3283,6 +3284,7 @@ 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
next prev parent reply other threads:[~2017-11-22 21:23 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-11-22 21:23 [PATCH v7 0/4] Add the ability to do BPF directed error injection Josef Bacik
2017-11-22 21:23 ` [PATCH v7 1/5] add infrastructure for tagging functions as error injectable Josef Bacik
2017-11-28 18:58 ` Jonathan Corbet
2017-11-28 20:02 ` Josef Bacik
2017-11-29 16:59 ` Daniel Borkmann
2017-11-30 20:15 ` Josef Bacik
2017-11-22 21:23 ` Josef Bacik [this message]
2017-11-22 21:23 ` [PATCH v7 3/5] bpf: add a bpf_override_function helper Josef Bacik
2017-11-24 9:46 ` Daniel Borkmann
2017-11-22 21:23 ` [PATCH v7 4/5] samples/bpf: add a test for bpf_override_return Josef Bacik
2017-11-22 21:23 ` [PATCH v7 5/5] btrfs: allow us to inject errors at io_ctl_init Josef Bacik
2017-11-23 1:19 ` [PATCH v7 0/4] Add the ability to do BPF directed error injection Alexei Starovoitov
2017-11-28 16:22 ` Daniel Borkmann
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