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f2fs: add fault injection on f2fs_truncate 

Inject a fault during f2fs_truncate().

Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Jaegeuk Kim 2017-03-09 15:24:24 -08:00
parent 1941d7bcb4
commit 14b44d238c
3 changed files with 8 additions and 0 deletions
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1
fs/f2fs/f2fs.h
View File

@ -50,6 +50,7 @@ enum {
FAULT_BLOCK, FAULT_BLOCK,
FAULT_DIR_DEPTH, FAULT_DIR_DEPTH,
FAULT_EVICT_INODE, FAULT_EVICT_INODE,
FAULT_TRUNCATE,
FAULT_IO, FAULT_IO,
FAULT_CHECKPOINT, FAULT_CHECKPOINT,
FAULT_MAX, FAULT_MAX,

6
fs/f2fs/file.c
View File

@ -620,6 +620,12 @@ int f2fs_truncate(struct inode *inode)
trace_f2fs_truncate(inode); trace_f2fs_truncate(inode);
#ifdef CONFIG_F2FS_FAULT_INJECTION
if (time_to_inject(F2FS_I_SB(inode), FAULT_TRUNCATE)) {
f2fs_show_injection_info(FAULT_TRUNCATE);
return -EIO;
}
#endif
/* we should check inline_data size */ /* we should check inline_data size */
if (!f2fs_may_inline_data(inode)) { if (!f2fs_may_inline_data(inode)) {
err = f2fs_convert_inline_inode(inode); err = f2fs_convert_inline_inode(inode);

1
fs/f2fs/super.c
View File

@ -49,6 +49,7 @@ char *fault_name[FAULT_MAX] = {
[FAULT_BLOCK] = "no more block", [FAULT_BLOCK] = "no more block",
[FAULT_DIR_DEPTH] = "too big dir depth", [FAULT_DIR_DEPTH] = "too big dir depth",
[FAULT_EVICT_INODE] = "evict_inode fail", [FAULT_EVICT_INODE] = "evict_inode fail",
[FAULT_TRUNCATE] = "truncate fail",
[FAULT_IO] = "IO error", [FAULT_IO] = "IO error",
[FAULT_CHECKPOINT] = "checkpoint error", [FAULT_CHECKPOINT] = "checkpoint error",
}; };