From 1120764691736cb803cd763c82aa151b1fee2b8e Mon Sep 17 00:00:00 2001 From: Chao Yu Date: Tue, 20 Jan 2026 17:12:15 +0800 Subject: f2fs: introduce FAULT_SKIP_WRITE In order to simulate skipped write during enable_checkpoint(). Signed-off-by: Chao Yu Signed-off-by: Jaegeuk Kim --- fs/f2fs/data.c | 4 ++++ fs/f2fs/f2fs.h | 1 + fs/f2fs/super.c | 1 + 3 files changed, 6 insertions(+) (limited to 'fs/f2fs') diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c index 25b4d3f21fa7..9ef875e7b34c 100644 --- a/fs/f2fs/data.c +++ b/fs/f2fs/data.c @@ -2921,6 +2921,10 @@ int f2fs_do_write_data_page(struct f2fs_io_info *fio) goto got_it; } + if (is_sbi_flag_set(fio->sbi, SBI_ENABLE_CHECKPOINT) && + time_to_inject(fio->sbi, FAULT_SKIP_WRITE)) + return -EINVAL; + /* Deadlock due to between page->lock and f2fs_lock_op */ if (fio->need_lock == LOCK_REQ && !f2fs_trylock_op(fio->sbi, &lc)) return -EAGAIN; diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h index 52cec6b3ecf0..3a8e1dcdcd69 100644 --- a/fs/f2fs/f2fs.h +++ b/fs/f2fs/f2fs.h @@ -66,6 +66,7 @@ enum { FAULT_ATOMIC_TIMEOUT, FAULT_VMALLOC, FAULT_LOCK_TIMEOUT, + FAULT_SKIP_WRITE, FAULT_MAX, }; diff --git a/fs/f2fs/super.c b/fs/f2fs/super.c index 0afe9f829058..5d8b2e812340 100644 --- a/fs/f2fs/super.c +++ b/fs/f2fs/super.c @@ -70,6 +70,7 @@ const char *f2fs_fault_name[FAULT_MAX] = { [FAULT_ATOMIC_TIMEOUT] = "atomic timeout", [FAULT_VMALLOC] = "vmalloc", [FAULT_LOCK_TIMEOUT] = "lock timeout", + [FAULT_SKIP_WRITE] = "skip write", }; int f2fs_build_fault_attr(struct f2fs_sb_info *sbi, unsigned long rate, -- cgit v1.2.3