diff options
| author | Jaegeuk Kim <jaegeuk@kernel.org> | 2016-05-25 15:24:18 -0700 |
|---|---|---|
| committer | Mister Oyster <oysterized@gmail.com> | 2017-04-13 12:33:41 +0200 |
| commit | 4f5944f2be975002b611aeeb8a600a487563085e (patch) | |
| tree | a9000d92d70e186af948214b4f0ada9f0cb98358 | |
| parent | 8abf074188ee0abc7d8317d689ccf13c176751de (diff) | |
f2fs: inject to produce some orphan inodes
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
| -rw-r--r-- | fs/f2fs/f2fs.h | 3 | ||||
| -rw-r--r-- | fs/f2fs/inode.c | 5 | ||||
| -rw-r--r-- | fs/f2fs/super.c | 1 |
3 files changed, 9 insertions, 0 deletions
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h index c360f1107..e783a3cc8 100644 --- a/fs/f2fs/f2fs.h +++ b/fs/f2fs/f2fs.h @@ -46,6 +46,7 @@ enum { FAULT_ORPHAN, FAULT_BLOCK, FAULT_DIR_DEPTH, + FAULT_EVICT_INODE, FAULT_MAX, }; @@ -75,6 +76,8 @@ 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 09113e170..5cf632e1f 100644 --- a/fs/f2fs/inode.c +++ b/fs/f2fs/inode.c @@ -344,6 +344,11 @@ 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 906b4a9fa..36e6919df 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) |