From 18792e64c86dd7e34ba28e4f61faba472b7bf5fc Mon Sep 17 00:00:00 2001 From: Chao Yu Date: Thu, 6 Oct 2022 23:09:28 +0800 Subject: f2fs: support fault injection for f2fs_is_valid_blkaddr() This patch supports to inject fault into f2fs_is_valid_blkaddr() to simulate accessing inconsistent data/meta block addressses from caller. Usage: a) echo 262144 > /sys/fs/f2fs//inject_type or b) mount -o fault_type=262144 Signed-off-by: Chao Yu Signed-off-by: Jaegeuk Kim --- fs/f2fs/checkpoint.c | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'fs/f2fs/checkpoint.c') diff --git a/fs/f2fs/checkpoint.c b/fs/f2fs/checkpoint.c index 0c82dae082aa..c00694a50222 100644 --- a/fs/f2fs/checkpoint.c +++ b/fs/f2fs/checkpoint.c @@ -171,6 +171,11 @@ static bool __is_bitmap_valid(struct f2fs_sb_info *sbi, block_t blkaddr, bool f2fs_is_valid_blkaddr(struct f2fs_sb_info *sbi, block_t blkaddr, int type) { + if (time_to_inject(sbi, FAULT_BLKADDR)) { + f2fs_show_injection_info(sbi, FAULT_BLKADDR); + return false; + } + switch (type) { case META_NAT: break; -- cgit v1.2.3