diff mbox

f2fs: add fault injection on f2fs_truncate

Message ID 20170309232827.9304-1-jaegeuk@kernel.org (mailing list archive)
State New, archived
Headers show

Commit Message

Jaegeuk Kim March 9, 2017, 11:28 p.m. UTC 
Inject a fault during f2fs_truncate().

Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
---
 fs/f2fs/f2fs.h | 1 +
 fs/f2fs/file.c | 6 ++++++
 2 files changed, 7 insertions(+)

Comments

Chao Yu March 10, 2017, 1:16 a.m. UTC | #1 
Hi Jaegeuk,

At a glance, it needs to add one more entry in fault_name as well. :)

Thanks,

On 2017/3/10 7:28, Jaegeuk Kim wrote:
> Inject a fault during f2fs_truncate().
> 
> Signed-off-by: Chao Yu <yuchao0@huawei.com>
> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
> ---
>  fs/f2fs/f2fs.h | 1 +
>  fs/f2fs/file.c | 6 ++++++
>  2 files changed, 7 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 mbox

Patch

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);