diff options
| author | Chao Yu <yuchao0@huawei.com> | 2018-08-06 20:30:18 +0800 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2018-09-18 14:42:39 -0700 |
| commit | 783a75765aad650efef729b9b26b7ffeea7af5fe (patch) | |
| tree | acce1f535caa3ebb072ed307f4f1117894fdc4ea | |
| parent | 7f67de2a4cddd895dbd3583a1e43b90a3424b133 (diff) | |
f2fs: support discard submission error injection
This patch adds to support discard submission error injection for testing
error handling of __submit_discard_cmd().
Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
| -rw-r--r-- | fs/f2fs/f2fs.h | 1 | ||||
| -rw-r--r-- | fs/f2fs/segment.c | 8 | ||||
| -rw-r--r-- | fs/f2fs/super.c | 1 |
3 files changed, 10 insertions, 0 deletions
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h index 132dbba9e5e1..926ba2fd2680 100644 --- a/fs/f2fs/f2fs.h +++ b/fs/f2fs/f2fs.h @@ -58,6 +58,7 @@ enum { FAULT_TRUNCATE, FAULT_IO, FAULT_CHECKPOINT, + FAULT_DISCARD, FAULT_MAX, }; diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c index 4914b76823c9..17b6fcacca19 100644 --- a/fs/f2fs/segment.c +++ b/fs/f2fs/segment.c @@ -1122,10 +1122,18 @@ static void __submit_discard_cmd(struct f2fs_sb_info *sbi, dc->len += len; +#ifdef CONFIG_F2FS_FAULT_INJECTION + if (time_to_inject(sbi, FAULT_DISCARD)) { + f2fs_show_injection_info(FAULT_DISCARD); + err = -EIO; + goto submit; + } +#endif err = __blkdev_issue_discard(bdev, SECTOR_FROM_BLOCK(start), SECTOR_FROM_BLOCK(len), GFP_NOFS, 0, &bio); +submit: if (!err && bio) { /* * should keep before submission to avoid D_DONE diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c index 59e20a6b6bd9..5511fa92b917 100644 --- a/fs/f2fs/super.c +++ b/fs/f2fs/super.c @@ -55,6 +55,7 @@ char *f2fs_fault_name[FAULT_MAX] = { [FAULT_TRUNCATE] = "truncate fail", [FAULT_IO] = "IO error", [FAULT_CHECKPOINT] = "checkpoint error", + [FAULT_DISCARD] = "discard error", }; void f2fs_build_fault_attr(struct f2fs_sb_info *sbi, unsigned int rate) |