2022-04-01 19:34 GMT+09:00, Sungjong Seo <sj1557.seo@xxxxxxxxxxx>:
>> exfat_update_parent_info() is a workaround for the wrong parent directory
>> information being used after renaming. Now that bug is fixed, this is no
>> longer needed, so remove it.
>>
>> Signed-off-by: Yuezhang Mo <Yuezhang.Mo@xxxxxxxx>
>> Reviewed-by: Andy Wu <Andy.Wu@xxxxxxxx>
>> Reviewed-by: Aoyama Wataru <wataru.aoyama@xxxxxxxx>
>> Reviewed-by: Daniel Palmer <daniel.palmer@xxxxxxxx>
>
> As you said, exfat_update_parent_info() seems to be a workaround
> that exists from the legacy code to resolve the inconsistency of
> parent node information.
>
> Thanks for your patch!
> Reviewed-by: Sungjong Seo <sj1557.seo@xxxxxxxxxxx>
Hi Yuezhang,
I don't think there's any reason to split this patch from patch 1/2.
Any thought to combine them to the one ?
Thanks.
>
>> ---
>> fs/exfat/namei.c | 26 --------------------------
>> 1 file changed, 26 deletions(-)
>>
>> diff --git a/fs/exfat/namei.c b/fs/exfat/namei.c index
>> e7adb6bfd9d5..76acc3721951 100644
>> --- a/fs/exfat/namei.c
>> +++ b/fs/exfat/namei.c
>> @@ -1168,28 +1168,6 @@ static int exfat_move_file(struct inode *inode,
>> struct exfat_chain *p_olddir,
>> return 0;
>> }
>>
>> -static void exfat_update_parent_info(struct exfat_inode_info *ei,
>> - struct inode *parent_inode)
>> -{
>> - struct exfat_sb_info *sbi = EXFAT_SB(parent_inode->i_sb);
>> - struct exfat_inode_info *parent_ei = EXFAT_I(parent_inode);
>> - loff_t parent_isize = i_size_read(parent_inode);
>> -
>> - /*
>> - * the problem that struct exfat_inode_info caches wrong parent
>> info.
>> - *
>> - * because of flag-mismatch of ei->dir,
>> - * there is abnormal traversing cluster chain.
>> - */
>> - if (unlikely(parent_ei->flags != ei->dir.flags ||
>> - parent_isize != EXFAT_CLU_TO_B(ei->dir.size, sbi) ||
>> - parent_ei->start_clu != ei->dir.dir)) {
>> - exfat_chain_set(&ei->dir, parent_ei->start_clu,
>> - EXFAT_B_TO_CLU_ROUND_UP(parent_isize, sbi),
>> - parent_ei->flags);
>> - }
>> -}
>> -
>> /* rename or move a old file into a new file */ static int
>> __exfat_rename(struct inode *old_parent_inode,
>> struct exfat_inode_info *ei, struct inode *new_parent_inode,
>> @@ -1220,8 +1198,6 @@ static int __exfat_rename(struct inode
>> *old_parent_inode,
>> return -ENOENT;
>> }
>>
>> - exfat_update_parent_info(ei, old_parent_inode);
>> -
>> exfat_chain_dup(&olddir, &ei->dir);
>> dentry = ei->entry;
>>
>> @@ -1242,8 +1218,6 @@ static int __exfat_rename(struct inode
>> *old_parent_inode,
>> goto out;
>> }
>>
>> - exfat_update_parent_info(new_ei, new_parent_inode);
>> -
>> p_dir = &(new_ei->dir);
>> new_entry = new_ei->entry;
>> ep = exfat_get_dentry(sb, p_dir, new_entry, &new_bh);
>> --
>> 2.25.1
>
>
