Use it to simulate no free segment case during block allocation.
Signed-off-by: Chao Yu <chao@kernel.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
FAULT_LOCK_OP 0x000020000
FAULT_BLKADDR_VALIDITY 0x000040000
FAULT_BLKADDR_CONSISTENCE 0x000080000
+ FAULT_NO_SEGMENT 0x000100000
=========================== ===========
What: /sys/fs/f2fs/<disk>/discard_io_aware_gran
FAULT_LOCK_OP 0x000020000
FAULT_BLKADDR_VALIDITY 0x000040000
FAULT_BLKADDR_CONSISTENCE 0x000080000
+ FAULT_NO_SEGMENT 0x000100000
=========================== ===========
mode=%s Control block allocation mode which supports "adaptive"
and "lfs". In "lfs" mode, there should be no random
FAULT_LOCK_OP,
FAULT_BLKADDR_VALIDITY,
FAULT_BLKADDR_CONSISTENCE,
+ FAULT_NO_SEGMENT,
FAULT_MAX,
};
spin_lock(&free_i->segmap_lock);
+ if (time_to_inject(sbi, FAULT_NO_SEGMENT)) {
+ ret = -ENOSPC;
+ goto out_unlock;
+ }
+
if (!new_sec && ((*newseg + 1) % SEGS_PER_SEC(sbi))) {
segno = find_next_zero_bit(free_i->free_segmap,
GET_SEG_FROM_SEC(sbi, hint + 1), *newseg + 1);
[FAULT_LOCK_OP] = "lock_op",
[FAULT_BLKADDR_VALIDITY] = "invalid blkaddr",
[FAULT_BLKADDR_CONSISTENCE] = "inconsistent blkaddr",
+ [FAULT_NO_SEGMENT] = "no free segment",
};
void f2fs_build_fault_attr(struct f2fs_sb_info *sbi, unsigned int rate,