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Commit 9ea2f0be authored by Chao Yu's avatar Chao Yu Committed by Jaegeuk Kim
Browse files

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: 36b877af ("f2fs: Keep alloc_valid_block_count in sync")
Signed-off-by: default avatarChao Yu <yuchao0@huawei.com>
Signed-off-by: default avatarJaegeuk Kim <jaegeuk@kernel.org>
parent 052a82d8

fs/f2fs/f2fs.h

+2 −1
Original line number Diff line number Diff line
@@ -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;

}