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| author | Sahitya Tummala <stummala@codeaurora.org> | 2020-03-03 19:59:26 +0530 |
|---|---|---|
| committer | Jaegeuk Kim <jaegeuk@kernel.org> | 2020-03-22 21:16:28 -0700 |
| commit | c84ef3c5e65ccf99a7a91a4d731ebb5d6331a178 (patch) | |
| tree | da2755bf9d713548d19af3c22600e541a3bb0d06 | |
| parent | 682756827501dc52593bf490f2d437c65ec9efcb (diff) | |
| download | linux-c84ef3c5e65ccf99a7a91a4d731ebb5d6331a178.tar.gz linux-c84ef3c5e65ccf99a7a91a4d731ebb5d6331a178.tar.bz2 linux-c84ef3c5e65ccf99a7a91a4d731ebb5d6331a178.zip | |
f2fs: Add a new CP flag to help fsck fix resize SPO issues
Add and set a new CP flag CP_RESIZEFS_FLAG during
online resize FS to help fsck fix the metadata mismatch
that may happen due to SPO during resize, where SB
got updated but CP data couldn't be written yet.
fsck errors -
Info: CKPT version = 6ed7bccb
Wrong user_block_count(2233856)
[f2fs_do_mount:3365] Checkpoint is polluted
Signed-off-by: Sahitya Tummala <stummala@codeaurora.org>
Reviewed-by: Chao Yu <yuchao0@huawei.com>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
| -rw-r--r-- | fs/f2fs/checkpoint.c | 8 | ||||
| -rw-r--r-- | include/linux/f2fs_fs.h | 1 |
2 files changed, 7 insertions, 2 deletions
diff --git a/fs/f2fs/checkpoint.c b/fs/f2fs/checkpoint.c index 46fc9c1542fe..852890b72d6a 100644 --- a/fs/f2fs/checkpoint.c +++ b/fs/f2fs/checkpoint.c @@ -1298,10 +1298,14 @@ static void update_ckpt_flags(struct f2fs_sb_info *sbi, struct cp_control *cpc) else __clear_ckpt_flags(ckpt, CP_ORPHAN_PRESENT_FLAG); - if (is_sbi_flag_set(sbi, SBI_NEED_FSCK) || - is_sbi_flag_set(sbi, SBI_IS_RESIZEFS)) + if (is_sbi_flag_set(sbi, SBI_NEED_FSCK)) __set_ckpt_flags(ckpt, CP_FSCK_FLAG); + if (is_sbi_flag_set(sbi, SBI_IS_RESIZEFS)) + __set_ckpt_flags(ckpt, CP_RESIZEFS_FLAG); + else + __clear_ckpt_flags(ckpt, CP_RESIZEFS_FLAG); + if (is_sbi_flag_set(sbi, SBI_CP_DISABLED)) __set_ckpt_flags(ckpt, CP_DISABLED_FLAG); else diff --git a/include/linux/f2fs_fs.h b/include/linux/f2fs_fs.h index ac3f4888b3df..3c383ddd92dd 100644 --- a/include/linux/f2fs_fs.h +++ b/include/linux/f2fs_fs.h @@ -125,6 +125,7 @@ struct f2fs_super_block { /* * For checkpoint */ +#define CP_RESIZEFS_FLAG 0x00004000 #define CP_DISABLED_QUICK_FLAG 0x00002000 #define CP_DISABLED_FLAG 0x00001000 #define CP_QUOTA_NEED_FSCK_FLAG 0x00000800 |