Re: [PATCH v4 3/4] fat (exportfs): rebuild directory-inode if fat_dget() fails
From: OGAWA Hirofumi
Date: Sat Oct 13 2012 - 10:35:45 EST
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...
--
OGAWA Hirofumi <hirofumi@xxxxxxxxxxxxxxxxxx>
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