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authorChao Yu <yuchao0@huawei.com>2018-09-12 09:22:29 +0800
committerJaegeuk Kim <jaegeuk@kernel.org>2018-09-12 13:07:32 -0700
commit6f5c2ed0a26fae6904a88622c126dfb9369548a3 (patch)
tree40c3e2ae7e087365d7648e840d820e1090837d56 /fs/f2fs
parent7c1a000d466235c875a989971cfda344e6bb1166 (diff)
f2fs: split IO error injection according to RW
This patch adds to support injecting error for write IO, this can simulate IO error like fail_make_request or dm_flakey does. Signed-off-by: Chao Yu <yuchao0@huawei.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs')
-rw-r--r--fs/f2fs/data.c10
-rw-r--r--fs/f2fs/f2fs.h3
-rw-r--r--fs/f2fs/super.c3
3 files changed, 12 insertions, 4 deletions
diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
index c8c4b54e2bbf..57c0823d22e0 100644
--- a/fs/f2fs/data.c
+++ b/fs/f2fs/data.c
@@ -123,8 +123,9 @@ static bool f2fs_bio_post_read_required(struct bio *bio)
static void f2fs_read_end_io(struct bio *bio)
{
- if (time_to_inject(F2FS_P_SB(bio_first_page_all(bio)), FAULT_IO)) {
- f2fs_show_injection_info(FAULT_IO);
+ if (time_to_inject(F2FS_P_SB(bio_first_page_all(bio)),
+ FAULT_READ_IO)) {
+ f2fs_show_injection_info(FAULT_READ_IO);
bio->bi_status = BLK_STS_IOERR;
}
@@ -145,6 +146,11 @@ static void f2fs_write_end_io(struct bio *bio)
struct bio_vec *bvec;
int i;
+ if (time_to_inject(sbi, FAULT_WRITE_IO)) {
+ f2fs_show_injection_info(FAULT_WRITE_IO);
+ bio->bi_status = BLK_STS_IOERR;
+ }
+
bio_for_each_segment_all(bvec, bio, i) {
struct page *page = bvec->bv_page;
enum count_type type = WB_DATA_TYPE(page);
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index 079f525d5764..b676b82312e0 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -50,9 +50,10 @@ enum {
FAULT_DIR_DEPTH,
FAULT_EVICT_INODE,
FAULT_TRUNCATE,
- FAULT_IO,
+ FAULT_READ_IO,
FAULT_CHECKPOINT,
FAULT_DISCARD,
+ FAULT_WRITE_IO,
FAULT_MAX,
};
diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index 8c536105d5ef..945468968d4e 100644
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -50,9 +50,10 @@ char *f2fs_fault_name[FAULT_MAX] = {
[FAULT_DIR_DEPTH] = "too big dir depth",
[FAULT_EVICT_INODE] = "evict_inode fail",
[FAULT_TRUNCATE] = "truncate fail",
- [FAULT_IO] = "IO error",
+ [FAULT_READ_IO] = "read IO error",
[FAULT_CHECKPOINT] = "checkpoint error",
[FAULT_DISCARD] = "discard error",
+ [FAULT_WRITE_IO] = "write IO error",
};
void f2fs_build_fault_attr(struct f2fs_sb_info *sbi, unsigned int rate,