On Thu, Mar 24, 2016 at 03:20:43PM +, Al Viro wrote:
> > ocfs2_prepare_inode_for_write uses file->f_path.dentry for
> > should_remove_suid (due to needing to do it early since cluster locking
> > is unknown in setattr, according to the commit). Having
> > should_remove_suid operate on an inod
On 3/24/16 11:20 AM, Al Viro wrote:
> On Thu, Nov 05, 2015 at 11:03:58PM -0500, Jeff Mahoney wrote:
>
>> I suppose the irony here is that, AFAIK, that code is to ensure a file
>> doesn't get lost between transactions due to rename.
>>
>> Isn't the file->f_path.dentry relationship stable otherwise,
On Thu, Nov 05, 2015 at 11:03:58PM -0500, Jeff Mahoney wrote:
> I suppose the irony here is that, AFAIK, that code is to ensure a file
> doesn't get lost between transactions due to rename.
>
> Isn't the file->f_path.dentry relationship stable otherwise, though? The
> name might change and the pa
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On 11/5/15 11:03 PM, Jeff Mahoney wrote:
> On 11/5/15 10:18 PM, Al Viro wrote:
>> On Thu, Nov 05, 2015 at 09:57:35PM -0500, Jeff Mahoney wrote:
>>
>>> So now file_operations callbacks can't assume that
>>> file->f_path.dentry belongs to the same file
On 11/5/15 10:18 PM, Al Viro wrote:
> On Thu, Nov 05, 2015 at 09:57:35PM -0500, Jeff Mahoney wrote:
>
>> So now file_operations callbacks can't assume that file->f_path.dentry
>> belongs to the same file system that implements the callback. More than
>> that, any code that could ultimately get a
On Thu, Nov 05, 2015 at 09:57:35PM -0500, Jeff Mahoney wrote:
> So now file_operations callbacks can't assume that file->f_path.dentry
> belongs to the same file system that implements the callback. More than
> that, any code that could ultimately get a dentry that comes from an
> open file can't
On 9/30/15 3:57 PM, Roman Lebedev wrote:
> Hello.
>
> My / is btrfs.
> To do some my local stuff more cleanly i wanted to use overlayfs,
> but it didn't quite work.
>
> Simple non-automatic sequence to reproduce the issue:
> mkdir lower upper work merged
> mount -t overlay overlay -olowerdir=l
