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fsck.f2fs: detect and recover corrupted quota file

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Once quota file is corrupted, kernel will set CP_QUOTA_NEED_FSCK_FLAG
into checkpoint pack, this patch makes fsck supporting to detect the flag
and try to rebuild corrupted quota file.

Signed-off-by: Chao Yu <yuchao0@huawei.com>
This commit is contained in:
Chao Yu 2018-09-19 09:28:37 +08:00 committed by Jaegeuk Kim
parent 7aab50d895
commit dfede78aa9
4 changed files with 14 additions and 3 deletions
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3
fsck/fsck.c
View File

@ -2670,7 +2670,8 @@ int fsck_verify(struct f2fs_sb_info *sbi)
flush_curseg_sit_entries(sbi);
}
fix_checkpoint(sbi);
} else if (is_set_ckpt_flags(cp, CP_FSCK_FLAG)) {
} else if (is_set_ckpt_flags(cp, CP_FSCK_FLAG) ||
is_set_ckpt_flags(cp, CP_QUOTA_NEED_FSCK_FLAG)) {
write_checkpoint(sbi);
}
}

1
fsck/main.c
View File

@ -162,6 +162,7 @@ static void add_default_options(void)
case CONF_ANDROID:
__add_fsck_options();
}
c.quota_fix = 1;
}
void f2fs_parse_options(int argc, char *argv[])

11
fsck/mount.c
View File

@ -405,6 +405,8 @@ void print_ckpt_info(struct f2fs_sb_info *sbi)
void print_cp_state(u32 flag)
{
MSG(0, "Info: checkpoint state = %x : ", flag);
if (flag & CP_QUOTA_NEED_FSCK_FLAG)
MSG(0, "%s", " quota_need_fsck");
if (flag & CP_LARGE_NAT_BITMAP_FLAG)
MSG(0, "%s", " large_nat_bitmap");
if (flag & CP_NOCRC_RECOVERY_FLAG)
@ -2554,12 +2556,17 @@ int f2fs_do_mount(struct f2fs_sb_info *sbi)
print_ckpt_info(sbi);
if (c.quota_fix) {
if (get_cp(ckpt_flags) & CP_QUOTA_NEED_FSCK_FLAG)
c.fix_on = 1;
}
if (c.auto_fix || c.preen_mode) {
u32 flag = get_cp(ckpt_flags);
if (flag & CP_FSCK_FLAG ||
(exist_qf_ino(sb) && (!(flag & CP_UMOUNT_FLAG) ||
flag & CP_ERROR_FLAG))) {
flag & CP_QUOTA_NEED_FSCK_FLAG ||
(exist_qf_ino(sb) && (flag & CP_ERROR_FLAG))) {
c.fix_on = 1;
} else if (!c.preen_mode) {
print_cp_state(flag);

2
include/f2fs_fs.h
View File

@ -372,6 +372,7 @@ struct f2fs_configuration {
int defset;
int bug_on;
int auto_fix;
int quota_fix;
int preen_mode;
int ro;
int preserve_limits; /* preserve quota limits */
@ -642,6 +643,7 @@ struct f2fs_super_block {
* For checkpoint
*/
#define CP_DISABLED_FLAG 0x00001000
#define CP_QUOTA_NEED_FSCK_FLAG 0x00000800
#define CP_LARGE_NAT_BITMAP_FLAG 0x00000400
#define CP_NOCRC_RECOVERY_FLAG 0x00000200
#define CP_TRIMMED_FLAG 0x00000100