exofs: i_nlink races in rename()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Родитель
30eb43d314
Коммит
babfe56046
|
@ -272,7 +272,6 @@ static int exofs_rename(struct inode *old_dir, struct dentry *old_dentry,
|
|||
new_de = exofs_find_entry(new_dir, new_dentry, &new_page);
|
||||
if (!new_de)
|
||||
goto out_dir;
|
||||
inode_inc_link_count(old_inode);
|
||||
err = exofs_set_link(new_dir, new_de, new_page, old_inode);
|
||||
new_inode->i_ctime = CURRENT_TIME;
|
||||
if (dir_de)
|
||||
|
@ -286,12 +285,9 @@ static int exofs_rename(struct inode *old_dir, struct dentry *old_dentry,
|
|||
if (new_dir->i_nlink >= EXOFS_LINK_MAX)
|
||||
goto out_dir;
|
||||
}
|
||||
inode_inc_link_count(old_inode);
|
||||
err = exofs_add_link(new_dentry, old_inode);
|
||||
if (err) {
|
||||
inode_dec_link_count(old_inode);
|
||||
if (err)
|
||||
goto out_dir;
|
||||
}
|
||||
if (dir_de)
|
||||
inode_inc_link_count(new_dir);
|
||||
}
|
||||
|
@ -299,7 +295,7 @@ static int exofs_rename(struct inode *old_dir, struct dentry *old_dentry,
|
|||
old_inode->i_ctime = CURRENT_TIME;
|
||||
|
||||
exofs_delete_entry(old_de, old_page);
|
||||
inode_dec_link_count(old_inode);
|
||||
mark_inode_dirty(old_inode);
|
||||
|
||||
if (dir_de) {
|
||||
err = exofs_set_link(old_inode, dir_de, dir_page, new_dir);
|
||||
|
|
Загрузка…
Ссылка в новой задаче