Andrew Morton wrote:
> On Mon, 04 Jun 2007 09:19:10 +0400 Vasily Averin <[email protected]> wrote:
>> diff --git a/fs/ext3/namei.c b/fs/ext3/namei.c
>> index 9bb046d..e3ac8c3 100644
>> --- a/fs/ext3/namei.c
>> +++ b/fs/ext3/namei.c
>> @@ -1019,6 +1019,11 @@ static struct dentry *ext3_lookup(struct inode * dir, struct dentry *dentry, str
>>
>> if (!inode)
>> return ERR_PTR(-EACCES);
>> +
>> + if (is_bad_inode(inode)) {
>> + iput(inode);
>> + return ERR_PTR(-ENOENT);
>> + }
>> }
>> return d_splice_alias(inode, dentry);
>> }
> Seems reasonable. So this prevents the bad inodes from getting onto the
> orphan list in the first place?
make_bad_inode() is called from ext3_read_inode() that is called from iget() only.
When we found that inode is bad we will call iput ASAP. I expect it should be
enough to exclude any chances to call any functions that can include this inode
into orphan list.
ext3_lookup
iget
ext3_read_inode
make_bad_inode
is_bad_inode? --> iput
However am I probably err?
Probably is better to add is_bad_inode check to ext3_orphan_add()?
thank you,
Vasily Averin
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