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authorChao Yu <yuchao0@huawei.com>2016-09-18 15:30:07 (GMT)
committerJaegeuk Kim <jaegeuk@kernel.org>2016-09-22 18:43:06 (GMT)
commit8b038c70dfe4fd7b62573917a9e976f826ac6ad3 (patch)
tree175fe3a2f6b72002259feb601f0de64b77de20f1 /fs/f2fs/data.c
parent866969668aebe9626c083b9ababc8f88454ce049 (diff)
downloadlinux-8b038c70dfe4fd7b62573917a9e976f826ac6ad3.tar.xz
f2fs: support IO error injection
This patch adds to support IO error injection for testing IO error tolerance of f2fs. Signed-off-by: Chao Yu <yuchao0@huawei.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs/data.c')
-rw-r--r--fs/f2fs/data.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index 528c3c0..25e3c30 100644
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -34,6 +34,11 @@ static void f2fs_read_end_io(struct bio *bio)
struct bio_vec *bvec;
int i;
+#ifdef CONFIG_F2FS_FAULT_INJECTION
+ if (time_to_inject(FAULT_IO))
+ bio->bi_error = -EIO;
+#endif
+
if (f2fs_bio_encrypted(bio)) {
if (bio->bi_error) {
fscrypt_release_ctx(bio->bi_private);