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| author | Chao Yu <yuchao0@huawei.com> | 2017-11-30 19:28:18 +0800 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2018-01-02 19:27:29 -0800 |
| commit | 628b3d1438fbcb1f9e79472a0872a2c3018a48be (patch) | |
| tree | e75a111c4eea20a4804c97332eb660d87ad1b390 /fs/f2fs/f2fs.h | |
| parent | acbf054d537d7efddc232e6c11a15d4be0507fd6 (diff) | |
| download | linux-628b3d1438fbcb1f9e79472a0872a2c3018a48be.tar.bz2 | |
f2fs: inject fault to kvmalloc
This patch supports to inject fault into kvmalloc/kvzalloc.
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.h | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h index 3f3d062c349e..9b967eba3e69 100644 --- a/fs/f2fs/f2fs.h +++ b/fs/f2fs/f2fs.h @@ -43,6 +43,7 @@ #ifdef CONFIG_F2FS_FAULT_INJECTION enum { FAULT_KMALLOC, + FAULT_KVMALLOC, FAULT_PAGE_ALLOC, FAULT_PAGE_GET, FAULT_ALLOC_BIO, @@ -2428,6 +2429,24 @@ static inline void *f2fs_kzalloc(struct f2fs_sb_info *sbi, return f2fs_kmalloc(sbi, size, flags | __GFP_ZERO); } +static inline void *f2fs_kvmalloc(struct f2fs_sb_info *sbi, + size_t size, gfp_t flags) +{ +#ifdef CONFIG_F2FS_FAULT_INJECTION + if (time_to_inject(sbi, FAULT_KVMALLOC)) { + f2fs_show_injection_info(FAULT_KVMALLOC); + return NULL; + } +#endif + return kvmalloc(size, flags); +} + +static inline void *f2fs_kvzalloc(struct f2fs_sb_info *sbi, + size_t size, gfp_t flags) +{ + return f2fs_kvmalloc(sbi, size, flags | __GFP_ZERO); +} + static inline int get_extra_isize(struct inode *inode) { return F2FS_I(inode)->i_extra_isize / sizeof(__le32); |