[PATCH v9 5/5] btrfs: allow us to inject errors at io_ctl_init
From: Josef Bacik <josef@toxicpanda.com>
Date: 2017-12-11 16:37:33
Also in:
linux-btrfs, lkml
Subsystem:
btrfs file system, filesystems (vfs and infrastructure), the rest · Maintainers:
Chris Mason, David Sterba, Alexander Viro, Christian Brauner, Linus Torvalds
From: Josef Bacik <redacted> This was instrumental in reproducing a space cache bug. Signed-off-by: Josef Bacik <redacted> Acked-by: Ingo Molnar <mingo@kernel.org> --- fs/btrfs/free-space-cache.c | 2 ++ 1 file changed, 2 insertions(+)
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 <linux/slab.h> #include <linux/math64.h> #include <linux/ratelimit.h> +#include <linux/bpf.h> #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) {
--
2.7.5