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| author | Chao Yu <yuchao0@huawei.com> | 2016-09-26 19:45:55 +0800 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2016-09-30 17:34:35 -0700 |
| commit | 0f34802858e74e708c6d42209811f6d264892c8f (patch) | |
| tree | a125a1021d9a2e37df3ef624a4efff1d7606eed5 /fs/f2fs | |
| parent | 2443b8b363917468e2fb163b34c8f14fe1546251 (diff) | |
| download | linux-0f34802858e74e708c6d42209811f6d264892c8f.tar.bz2 | |
f2fs: support checkpoint error injection
This patch adds to support checkpoint error injection in f2fs for testing
fatal error tolerance, it will be useful that it can simulate abnormal
power off by f2fs itself instead of calling godown ioctl by running apps.
Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs')
| -rw-r--r-- | fs/f2fs/f2fs.h | 1 | ||||
| -rw-r--r-- | fs/f2fs/gc.c | 5 | ||||
| -rw-r--r-- | fs/f2fs/segment.c | 5 | ||||
| -rw-r--r-- | fs/f2fs/super.c | 1 |
4 files changed, 12 insertions, 0 deletions
diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h index 896ad9f88357..9e8de18a168a 100644 --- a/fs/f2fs/f2fs.h +++ b/fs/f2fs/f2fs.h @@ -47,6 +47,7 @@ enum { FAULT_DIR_DEPTH, FAULT_EVICT_INODE, FAULT_IO, + FAULT_CHECKPOINT, FAULT_MAX, }; diff --git a/fs/f2fs/gc.c b/fs/f2fs/gc.c index a5c4175376ab..c9b8a67671f1 100644 --- a/fs/f2fs/gc.c +++ b/fs/f2fs/gc.c @@ -47,6 +47,11 @@ static int gc_thread_func(void *data) continue; } +#ifdef CONFIG_F2FS_FAULT_INJECTION + if (time_to_inject(sbi, FAULT_CHECKPOINT)) + f2fs_stop_checkpoint(sbi, false); +#endif + /* * [GC triggering condition] * 0. GC is not conducted currently. diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c index fbcc17254c05..fc886f008449 100644 --- a/fs/f2fs/segment.c +++ b/fs/f2fs/segment.c @@ -345,6 +345,11 @@ int commit_inmem_pages(struct inode *inode) */ void f2fs_balance_fs(struct f2fs_sb_info *sbi, bool need) { +#ifdef CONFIG_F2FS_FAULT_INJECTION + if (time_to_inject(sbi, FAULT_CHECKPOINT)) + f2fs_stop_checkpoint(sbi, false); +#endif + if (!need) return; diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c index 40aecd78cccc..6132b4ce4e4c 100644 --- a/fs/f2fs/super.c +++ b/fs/f2fs/super.c @@ -50,6 +50,7 @@ char *fault_name[FAULT_MAX] = { [FAULT_DIR_DEPTH] = "too big dir depth", [FAULT_EVICT_INODE] = "evict_inode fail", [FAULT_IO] = "IO error", + [FAULT_CHECKPOINT] = "checkpoint error", }; static void f2fs_build_fault_attr(struct f2fs_sb_info *sbi, |