Re: [PATCH v4 3/4] fat (exportfs): rebuild directory-inode iffat_dget() fails

From: Namjae Jeon
Date: Sat Oct 13 2012 - 11:14:41 EST


2012/10/13 OGAWA Hirofumi <hirofumi@xxxxxxxxxxxxxxxxxx>:
> Namjae Jeon <linkinjeon@xxxxxxxxx> writes:
>
>> 2012/10/13 OGAWA Hirofumi <hirofumi@xxxxxxxxxxxxxxxxxx>:
>>> Namjae Jeon <linkinjeon@xxxxxxxxx> writes:
>>>
>>>> + if (!fat_get_dotdot_entry(child_dir->d_inode, &dotdot_bh, &de)) {
>>>> + parent_logstart = fat_get_start(sbi, de);
>>>> parent_inode = fat_dget(sb, parent_logstart);
>>>> + if (parent_inode || sbi->options.nfs != FAT_NFS_NOSTALE_RO)
>>>> + goto out;
>>>> + if (!parent_logstart)
>>>> + /*logstart of dotdot entry is zero if
>>>> + * if the directory's parent is root
>>>> + */
>>>> + parent_inode = sb->s_root->d_inode;
>>>
>>> get_parent() should not be called for root dir, right?
>> Yes.
>
> Ah, actual question was - subdir of root can be passed to this? I guess
> it is possible...
Yes, you're right.

Thanks.
> --
> OGAWA Hirofumi <hirofumi@xxxxxxxxxxxxxxxxxx>
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/