Messages in this thread | | | Date | Sun, 14 Oct 2012 00:14:43 +0900 | Subject | Re: [PATCH v4 3/4] fat (exportfs): rebuild directory-inode if fat_dget() fails | From | Namjae Jeon <> |
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2012/10/13 OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>: > Namjae Jeon <linkinjeon@gmail.com> writes: > >> 2012/10/13 OGAWA Hirofumi <hirofumi@mail.parknet.co.jp>: >>> Namjae Jeon <linkinjeon@gmail.com> 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@mail.parknet.co.jp>
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