On Mon, 29 Apr 2013 17:12:20 +0200, David Sterba wrote:
> On Fri, Apr 19, 2013 at 05:41:06PM +0200, Stefan Behrens wrote:
[...]
>> +up(&fs_info->uuid_scan_sem);
>
> Does lockdep need to be instructed that a semaphore is released in a
> different thread it's been taken? Not sure if this wasn't
On Fri, Apr 19, 2013 at 05:41:06PM +0200, Stefan Behrens wrote:
> When the UUID tree is initially created, a task is spawned that
> walks through the root tree. For each found subvolume root_item,
> the uuid and received_uuid entries in the UUID tree are added.
> This is such a quick operation so t
When the UUID tree is initially created, a task is spawned that
walks through the root tree. For each found subvolume root_item,
the uuid and received_uuid entries in the UUID tree are added.
This is such a quick operation so that in case somebody wants
to unmount the filesystem while the task is s