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* [PATCH] f2fs: add fault injection on f2fs_truncate
@ 2017-03-09 23:28 Jaegeuk Kim
  2017-03-10  1:16 ` Chao Yu
  2017-03-10  1:54 ` [PATCH v2] " Jaegeuk Kim
  0 siblings, 2 replies; 3+ messages in thread
From: Jaegeuk Kim @ 2017-03-09 23:28 UTC (permalink / raw)
  To: linux-kernel, linux-fsdevel, linux-f2fs-devel; +Cc: Jaegeuk Kim, Chao Yu

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);
-- 
2.11.0

^ permalink raw reply related	[flat|nested] 3+ messages in thread

* Re: [PATCH] f2fs: add fault injection on f2fs_truncate
  2017-03-09 23:28 [PATCH] f2fs: add fault injection on f2fs_truncate Jaegeuk Kim
@ 2017-03-10  1:16 ` Chao Yu
  2017-03-10  1:54 ` [PATCH v2] " Jaegeuk Kim
  1 sibling, 0 replies; 3+ messages in thread
From: Chao Yu @ 2017-03-10  1:16 UTC (permalink / raw)
  To: Jaegeuk Kim, linux-kernel, linux-fsdevel, linux-f2fs-devel

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);
> 

^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: [PATCH v2] f2fs: add fault injection on f2fs_truncate
  2017-03-09 23:28 [PATCH] f2fs: add fault injection on f2fs_truncate Jaegeuk Kim
  2017-03-10  1:16 ` Chao Yu
@ 2017-03-10  1:54 ` Jaegeuk Kim
  1 sibling, 0 replies; 3+ messages in thread
From: Jaegeuk Kim @ 2017-03-10  1:54 UTC (permalink / raw)
  To: linux-kernel, linux-fsdevel, linux-f2fs-devel; +Cc: Chao Yu

Change log from v1:
 - add missing fault name

>From be7652ae901bfda478a2915abcec5dd1e2f4b823 Mon Sep 17 00:00:00 2001
From: Jaegeuk Kim <jaegeuk@kernel.org>
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@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
---
 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

^ permalink raw reply related	[flat|nested] 3+ messages in thread

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2017-03-09 23:28 [PATCH] f2fs: add fault injection on f2fs_truncate Jaegeuk Kim
2017-03-10  1:16 ` Chao Yu
2017-03-10  1:54 ` [PATCH v2] " Jaegeuk Kim

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