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| author | Jaegeuk Kim <jaegeuk@kernel.org> | 2018-01-20 00:42:33 +0300 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2018-01-23 01:56:59 +0300 |
| commit | f236792311f4575a1ca47240d3a74034096ef9e8 (patch) | |
| tree | 81acc079c7d7cb81461fc3d675a9dde6e446d93e /fs/f2fs/node.h | |
| parent | 37a086f015245a7d81e9e577389872b98aa0719a (diff) | |
| download | linux-f236792311f4575a1ca47240d3a74034096ef9e8.tar.xz | |
f2fs: allow to recover node blocks given updated checkpoint
If fsck.f2fs changes crc, we have no way to recover some inode blocks by roll-
forward recovery. Let's relax the condition to recover them.
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'fs/f2fs/node.h')
| -rw-r--r-- | fs/f2fs/node.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/fs/f2fs/node.h b/fs/f2fs/node.h index 0ee3e5ff49a3..081ef0d672bf 100644 --- a/fs/f2fs/node.h +++ b/fs/f2fs/node.h @@ -305,6 +305,10 @@ static inline bool is_recoverable_dnode(struct page *page) struct f2fs_checkpoint *ckpt = F2FS_CKPT(F2FS_P_SB(page)); __u64 cp_ver = cur_cp_version(ckpt); + /* Don't care crc part, if fsck.f2fs sets it. */ + if (__is_set_ckpt_flags(ckpt, CP_NOCRC_RECOVERY_FLAG)) + return (cp_ver << 32) == (cpver_of_node(page) << 32); + if (__is_set_ckpt_flags(ckpt, CP_CRC_RECOVERY_FLAG)) cp_ver |= (cur_cp_crc(ckpt) << 32); |