From mboxrd@z Thu Jan 1 00:00:00 1970 From: Josef Bacik Subject: [PATCH v9 2/5] btrfs: make open_ctree error injectable Date: Mon, 11 Dec 2017 11:36:47 -0500 Message-ID: <1513010210-30594-3-git-send-email-josef@toxicpanda.com> References: <1513010210-30594-1-git-send-email-josef@toxicpanda.com> Cc: Josef Bacik 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 Return-path: In-Reply-To: <1513010210-30594-1-git-send-email-josef@toxicpanda.com> Sender: linux-kernel-owner@vger.kernel.org List-Id: netdev.vger.kernel.org From: Josef Bacik This allows us to do error injection with BPF for open_ctree. Signed-off-by: Josef Bacik Acked-by: Ingo Molnar --- 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 #include #include +#include #include #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