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f2fs: fix wrong error injection path in inc_valid_block_count() 

If FAULT_BLOCK type error injection is on, in inc_valid_block_count()
we may decrease sbi->alloc_valid_block_count percpu stat count
incorrectly, fix it.

Fixes: 36b877af79 ("f2fs: Keep alloc_valid_block_count in sync")
Signed-off-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
This commit is contained in:
Chao Yu 2019-08-23 17:58:34 +08:00 committed by Jaegeuk Kim
parent 052a82d85a
commit 9ea2f0be6c
1 changed files with 2 additions and 1 deletions
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3
fs/f2fs/f2fs.h
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@ -1771,7 +1771,7 @@ static inline int inc_valid_block_count(struct f2fs_sb_info *sbi,
if (time_to_inject(sbi, FAULT_BLOCK)) {
f2fs_show_injection_info(FAULT_BLOCK);
release = *count;
goto enospc;
goto release_quota;
}
/*
@ -1816,6 +1816,7 @@ static inline int inc_valid_block_count(struct f2fs_sb_info *sbi,
enospc:
percpu_counter_sub(&sbi->alloc_valid_block_count, release);
release_quota:
dquot_release_reservation_block(inode, release);
return -ENOSPC;
}