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authorJosef Bacik <jbacik@fb.com>2017-12-11 11:36:47 -0500
committerAlexei Starovoitov <ast@kernel.org>2017-12-12 08:56:26 -0800
commit8556e50994c8a8f5282fea008ae084d6d080648a (patch)
tree13ecb643022ec45e807c1febe66176b790d2ebc7
parent92ace9991da08827e809c2d120108a96a281e7fc (diff)
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btrfs: make open_ctree error injectable
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> Signed-off-by: Alexei Starovoitov <ast@kernel.org>
-rw-r--r--fs/btrfs/disk-io.c2
1 files changed, 2 insertions, 0 deletions
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 @@ recovery_tree_root:
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)
{