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authorChao Yu <yuchao0@huawei.com>2016-09-18 15:30:07 (GMT)
committerJaegeuk Kim <jaegeuk@kernel.org>2016-09-22 18:43:06 (GMT)
commit8b038c70dfe4fd7b62573917a9e976f826ac6ad3 (patch)
tree175fe3a2f6b72002259feb601f0de64b77de20f1 /fs/f2fs/f2fs.h
parent866969668aebe9626c083b9ababc8f88454ce049 (diff)
downloadlinux-8b038c70dfe4fd7b62573917a9e976f826ac6ad3.tar.xz
f2fs: support IO error injection
This patch adds to support IO error injection for testing IO error tolerance of f2fs. Signed-off-by: Chao Yu <yuchao0@huawei.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs/f2fs.h')
-rw-r--r--fs/f2fs/f2fs.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index 951b9b3..f28b3f8 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -46,6 +46,7 @@ enum {
FAULT_BLOCK,
FAULT_DIR_DEPTH,
FAULT_EVICT_INODE,
+ FAULT_IO,
FAULT_MAX,
};
@@ -77,6 +78,8 @@ static inline bool time_to_inject(int type)
return false;
else if (type == FAULT_EVICT_INODE && !IS_FAULT_SET(type))
return false;
+ else if (type == FAULT_IO && !IS_FAULT_SET(type))
+ return false;
atomic_inc(&f2fs_fault.inject_ops);
if (atomic_read(&f2fs_fault.inject_ops) >= f2fs_fault.inject_rate) {