| From: |
| Josef Bacik <josef-AT-toxicpanda.com> |
| To: |
| rostedt-AT-goodmis.org, mingo-AT-redhat.com, davem-AT-davemloft.net, netdev-AT-vger.kernel.org, linux-kernel-AT-vger.kernel.org, ast-AT-kernel.org, kernel-team-AT-fb.com, daniel-AT-iogearbox.net, linux-btrfs-AT-vger.kernel.org |
| Subject: |
| [PATCH v7 2/5] btrfs: make open_ctree error injectable |
| Date: |
| Wed, 22 Nov 2017 16:23:31 -0500 |
| Message-ID: |
| <1511385814-20863-3-git-send-email-josef@toxicpanda.com> |
| Cc: |
| Josef Bacik <jbacik-AT-fb.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
