From: Chao Yu chao@kernel.org
commit b702c83e2eaa2fa2d72e957c55c0321535cc8b9f upstream.
Otherwise, nat_bit area may be persisted across boundary of CP area during nat_bit rebuilding.
Fixes: 94c821fb286b ("f2fs: rebuild nat_bits during umount") Signed-off-by: Chao Yu chao@kernel.org Signed-off-by: Jaegeuk Kim jaegeuk@kernel.org Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- fs/f2fs/checkpoint.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
--- a/fs/f2fs/checkpoint.c +++ b/fs/f2fs/checkpoint.c @@ -1305,8 +1305,8 @@ static void update_ckpt_flags(struct f2f unsigned long flags;
if (cpc->reason & CP_UMOUNT) { - if (le32_to_cpu(ckpt->cp_pack_total_block_count) > - sbi->blocks_per_seg - NM_I(sbi)->nat_bits_blocks) { + if (le32_to_cpu(ckpt->cp_pack_total_block_count) + + NM_I(sbi)->nat_bits_blocks > sbi->blocks_per_seg) { clear_ckpt_flags(sbi, CP_NAT_BITS_FLAG); f2fs_notice(sbi, "Disable nat_bits due to no space"); } else if (!is_set_ckpt_flags(sbi, CP_NAT_BITS_FLAG) &&