diff options
| author | Chao Yu <chao@kernel.org> | 2021-12-12 15:28:12 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-01-27 13:05:30 +0300 |
| commit | 2d7d3b6da85e219abed247a63a4754f04376e2fa (patch) | |
| tree | 25627da4577de26c00d38554af778931d6b82d17 /fs/f2fs | |
| parent | 0789b9b3492264e4bbe212b688866117d14df0c8 (diff) | |
| download | linux-2d7d3b6da85e219abed247a63a4754f04376e2fa.tar.xz | |
f2fs: fix to check available space of CP area correctly in update_ckpt_flags()
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>
Diffstat (limited to 'fs/f2fs')
| -rw-r--r-- | fs/f2fs/checkpoint.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/fs/f2fs/checkpoint.c b/fs/f2fs/checkpoint.c index 7b0282724231..99fced979718 100644 --- a/fs/f2fs/checkpoint.c +++ b/fs/f2fs/checkpoint.c @@ -1305,8 +1305,8 @@ static void update_ckpt_flags(struct f2fs_sb_info *sbi, struct cp_control *cpc) 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) && |