Signed-off-by: Jaegeuk Kim <jaegeuk@xxxxxxxxxx>
---
fs/f2fs/f2fs.h | 3 +++
fs/f2fs/inode.c | 5 +++++
fs/f2fs/super.c | 1 +
3 files changed, 9 insertions(+)
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
index 5daba19..c4697b7 100644
--- a/fs/f2fs/f2fs.h
+++ b/fs/f2fs/f2fs.h
@@ -45,6 +45,7 @@ enum {
FAULT_ORPHAN,
FAULT_BLOCK,
FAULT_DIR_DEPTH,
+ FAULT_EVICT_INODE,
FAULT_MAX,
};
@@ -74,6 +75,8 @@ static inline bool time_to_inject(int type)
return false;
else if (type == FAULT_DIR_DEPTH && !IS_FAULT_SET(type))
return false;
+ else if (type == FAULT_EVICT_INODE && !IS_FAULT_SET(type))
+ return false;
atomic_inc(&f2fs_fault.inject_ops);
if (atomic_read(&f2fs_fault.inject_ops) >= f2fs_fault.inject_rate) {
diff --git a/fs/f2fs/inode.c b/fs/f2fs/inode.c
index bdd814d..11cb60a 100644
--- a/fs/f2fs/inode.c
+++ b/fs/f2fs/inode.c
@@ -345,6 +345,11 @@ void f2fs_evict_inode(struct inode *inode)
if (inode->i_nlink || is_bad_inode(inode))
goto no_delete;
+#ifdef CONFIG_F2FS_FAULT_INJECTION
+ if (time_to_inject(FAULT_EVICT_INODE))
+ goto no_delete;
+#endif
+
sb_start_intwrite(inode->i_sb);
set_inode_flag(inode, FI_NO_ALLOC);
i_size_write(inode, 0);
diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c
index a5b5739..27f76819e 100644
--- a/fs/f2fs/super.c
+++ b/fs/f2fs/super.c
@@ -49,6 +49,7 @@ char *fault_name[FAULT_MAX] = {
[FAULT_ORPHAN] = "orphan",
[FAULT_BLOCK] = "no more block",
[FAULT_DIR_DEPTH] = "too big dir depth",
+ [FAULT_EVICT_INODE] = "evict_inode fail",
};
static void f2fs_build_fault_attr(unsigned int rate)
--
2.6.3
--
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