[PATCH] f2fs: add fault injection on f2fs_truncate

From	Jaegeuk Kim <jaegeuk@kernel.org>
Newsgroups	linux.kernel
Subject	[PATCH] f2fs: add fault injection on f2fs_truncate
Date	2017-03-10 00:30 +0100
Message-ID	<tjfFq-3B9-87@gated-at.bofh.it> (permalink)
Organization	linux.* mail to news gateway

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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

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[PATCH] f2fs: add fault injection on f2fs_truncate Jaegeuk Kim <jaegeuk@kernel.org> - 2017-03-10 00:30 +0100
  Re: [PATCH] f2fs: add fault injection on f2fs_truncate Chao Yu <yuchao0@huawei.com> - 2017-03-10 02:20 +0100
  Re: [PATCH v2] f2fs: add fault injection on f2fs_truncate Jaegeuk Kim <jaegeuk@kernel.org> - 2017-03-10 03:00 +0100

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