From 8556e50994c8a8f5282fea008ae084d6d080648a Mon Sep 17 00:00:00 2001 From: Josef Bacik Date: Mon, 11 Dec 2017 11:36:47 -0500 Subject: btrfs: make open_ctree error injectable This allows us to do error injection with BPF for open_ctree. Signed-off-by: Josef Bacik Acked-by: Ingo Molnar Signed-off-by: Alexei Starovoitov --- fs/btrfs/disk-io.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'fs') 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 @@ 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) { -- cgit v1.2.3 From 023f46c5b807ae5fff83b57d918727a5b9dbee55 Mon Sep 17 00:00:00 2001 From: Josef Bacik Date: Mon, 11 Dec 2017 11:36:50 -0500 Subject: btrfs: allow us to inject errors at io_ctl_init This was instrumental in reproducing a space cache bug. Signed-off-by: Josef Bacik Acked-by: Ingo Molnar Signed-off-by: Alexei Starovoitov --- fs/btrfs/free-space-cache.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'fs') diff --git a/fs/btrfs/free-space-cache.c b/fs/btrfs/free-space-cache.c index 4426d1c73e50..fb1382893bfc 100644 --- a/fs/btrfs/free-space-cache.c +++ b/fs/btrfs/free-space-cache.c @@ -22,6 +22,7 @@ #include #include #include +#include #include "ctree.h" #include "free-space-cache.h" #include "transaction.h" @@ -332,6 +333,7 @@ static int io_ctl_init(struct btrfs_io_ctl *io_ctl, struct inode *inode, return 0; } +BPF_ALLOW_ERROR_INJECTION(io_ctl_init); static void io_ctl_free(struct btrfs_io_ctl *io_ctl) { -- cgit v1.2.3