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authorChao Yu <yuchao0@huawei.com>2017-02-25 11:08:28 +0800
committerJaegeuk Kim <jaegeuk@kernel.org>2017-02-27 09:59:55 -0800
commit55523519bc7227e651fd4febeb3aafdd22b8af1c (patch)
tree967a79ab5559dc46d191812ef50aa5a8d144ec78 /fs/f2fs/dir.c
parentdd7b2333e6cd31584682382fcf0a1c1e5140b936 (diff)
f2fs: show simple call stack in fault injection message
Previously kernel message can show that in which function we do the injection, but unfortunately, most of the caller are the same, for tracking more information of injection path, it needs to show upper caller's name. This patch supports that ability. Signed-off-by: Chao Yu <yuchao0@huawei.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs/dir.c')
-rw-r--r--fs/f2fs/dir.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/fs/f2fs/dir.c b/fs/f2fs/dir.c
index 54aa30ee028f..295a223ae11e 100644
--- a/fs/f2fs/dir.c
+++ b/fs/f2fs/dir.c
@@ -549,8 +549,10 @@ int f2fs_add_regular_entry(struct inode *dir, const struct qstr *new_name,
start:
#ifdef CONFIG_F2FS_FAULT_INJECTION
- if (time_to_inject(F2FS_I_SB(dir), FAULT_DIR_DEPTH))
+ if (time_to_inject(F2FS_I_SB(dir), FAULT_DIR_DEPTH)) {
+ f2fs_show_injection_info(FAULT_DIR_DEPTH);
return -ENOSPC;
+ }
#endif
if (unlikely(current_depth == MAX_DIR_HASH_DEPTH))
return -ENOSPC;