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f2fs: split IO error injection according to RW

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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>
This commit is contained in:
Chao Yu
2018-09-12 09:22:29 +08:00
committed by Jaegeuk Kim
parent 7c1a000d46
commit 6f5c2ed0a2
4 changed files with 14 additions and 5 deletions
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fs/f2fs/super.c
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@@ -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,