Change log from v1:
- add missing fault name
>From be7652ae901bfda478a2915abcec5dd1e2f4b823 Mon Sep 17 00:00:00 2001
From: Jaegeuk Kim <jaegeuk@xxxxxxxxxx>
Date: Thu, 9 Mar 2017 15:24:24 -0800
Subject: [PATCH] f2fs: add fault injection on f2fs_truncate
Inject a fault during f2fs_truncate().
Signed-off-by: Chao Yu <yuchao0@xxxxxxxxxx>
Signed-off-by: Jaegeuk Kim <jaegeuk@xxxxxxxxxx>
---
fs/f2fs/f2fs.h | 1 +
fs/f2fs/file.c | 6 ++++++
fs/f2fs/super.c | 1 +
3 files changed, 8 insertions(+)
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index 870bb4d9bc65..7edb3bea15a4 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -50,6 +50,7 @@ enum {
FAULT_BLOCK,
FAULT_DIR_DEPTH,
FAULT_EVICT_INODE,
+ FAULT_TRUNCATE,
FAULT_IO,
FAULT_CHECKPOINT,
FAULT_MAX,
diff --git a/fs/f2fs/file.c b/fs/f2fs/file.c
index 0110c263a705..4ec764ea89bd 100644
--- a/fs/f2fs/file.c
+++ b/fs/f2fs/file.c
@@ -620,6 +620,12 @@ int f2fs_truncate(struct inode *inode)
trace_f2fs_truncate(inode);
+#ifdef CONFIG_F2FS_FAULT_INJECTION
+ if (time_to_inject(F2FS_I_SB(inode), FAULT_TRUNCATE)) {
+ f2fs_show_injection_info(FAULT_TRUNCATE);
+ return -EIO;
+ }
+#endif
/* we should check inline_data size */
if (!f2fs_may_inline_data(inode)) {
err = f2fs_convert_inline_inode(inode);
diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index cfb40d3fd875..17126a2897ad 100644
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -49,6 +49,7 @@ char *fault_name[FAULT_MAX] = {
[FAULT_BLOCK] = "no more block",
[FAULT_DIR_DEPTH] = "too big dir depth",
[FAULT_EVICT_INODE] = "evict_inode fail",
+ [FAULT_TRUNCATE] = "truncate fail",
[FAULT_IO] = "IO error",
[FAULT_CHECKPOINT] = "checkpoint error",
};
--
2.11.0
